Discount Sealants & High Performance Caulks
We specialize in the finest professional grade sealants including polyurethane sealants, high performance sealants, polyether sealants, caulks, adhesive
sealants, high performance caulks, expansion joint
sealants and specialty sealants. Popular items include
MasterSeal SL1 & SL2,
MasterSeal NP 150,
MasterSeal NP 125,
and Weathermaster sealants
in 200 colors. Our exterior grade high performance sealants are manufactured by the worlds
leading suppliers including
American Sealants, BASF / MasterSeal,
Surebond. Our sealants and caulks are designed for the toughest applications
including roof sealants, foam roof sealants, RV roof sealants, metal roof sealants, metal siding, log homes / cabins, extreme environments
and all types of window sealants.
Horizontal concrete expansion joints are sealed with
leveling expansion joint sealants.
Sonneborn SL1 / SL2
Novalink SL are most popular. Lucas 6600 Universal is great for smaller joints, up to 3/8 wide. For up to 3 inch wide
joints use MasterSeal SL2. Very large expansion joints use expansion joint covers.
Rod is used together with SL1 and
expansion joints around pools, driveways, etc. Backer rod is also recommended for a Proper Joint Design
using most sealants. Novalink SL
is great for lower temperatures, faster curing and wider expansion joints.
Soft backer rod is used with sealants in vertical
wall expansion joints
as log cabin chinking.
Rod Installation and Sizing Information.
How much sealant? See our Estimating Guide.
Our sealants and caulks have been tested in extreme
conditions and are designed to provide the
best adhesion and sealing to a
variety of materials. Their long term performance is
guaranteed by the nation's best manufacturers. And we can ship small or
large quantities cost-effectively and quickly to most any location worldwide.
Questions? Email Sales@bestmaterials.com
Or call 1-800-474-7570 / 602-272-8128
You'll get a prompt response !
By Family Type:
Butyl Rubber Sealants (these remain putty like)
Clean Room / Non-Outgassing Sealants
Clear Caulk / Sealants (for every application)
/ Low-Temp Curing Sealants
Control Joint Fillers
Custom Color Caulk and Sealants
Expanding Foam Sealants
Expanding Foam Sealant TAPES (metal
roof closure foam)
Expansion Joint Sealants, Self Leveling (SL1, SL2, Novalink-SL)
Expansion Joint Sealants, Vertical (Non-Sag, NP1, M1, Novalink etc)
Exterior Grade Sealants (same
as item above)
Fire Rated Sealants (Fireblocks, Fire resistant & Foam sealants)
High Performance Exterior Grade Sealants
(M-1, AES, Novalink, etc)
High-Temperature Caulks / Sealants
(up to 600°F/310°C)
Metal Roof & Siding Sealants (Duralink, TiteBond)
Pourable Pitch-Pan Filler Sealants
Quick Curing Sealants
Self Leveling Sealants (SL1, SL2, Novalink SL, etc)
Siding Sealants in 200 custom colors, for all types of siding)
Silicone Sealants (high-temp,
Structural Adhesive Sealants (Hi-strength: M1, SB190, Clear 25)
Sealants (cures with texture to match stucco/grout)
Compliant (MasterSeal CR 195
(Ultra) is toughest;
M1 tough in basic
colors;Duralink in colors, odor and solvent free
Glazing & Tile Sealants (neutral cure silicone, other synthetics)
Related Sealant Products & Tools:
Rod (Use in wide and deep joints before sealing /
Rod Insertion Tools
Blades, Saw Blades
(for cleaning joints, crack
Caulking Guns, 10 Oz
Caulking Guns, 1-Quart
Caulking Guns, Bulk Load
Caulk Bulk Loading Tools, Follow Plates
Caulking Guns, Multi-Component
Caulking Guns, Sausage
Caulking Guns, Stand-up / Extended Reach
Caulking Guns Albion Catalog
Caulking Guns Newborn Catalog
Caulking Tube Extension Nozzles & Angle
Caulking Warmers (tube and bucket heaters)
Concrete Vapor Barriers,
Moisture Barrier Products
Crack Fillers, Control Joint Fillers
Cut-Out Tools (for removing old sealant)
Products (covers & seals for
joints, curb mount / curb
flange expansion joints, corner and crossover
joint covers, and straight flange
expansion joint covers).
primers for use with sealants).
Tools / Cut-Out
Knifes (joint scrapers /
Saw Blades / Tuck-Point Blades
(for cleaning joints or crack chasing).
Spatulas / Joint Finishing Tools (professional grade joint tools).
||Pourable liquid pitch-pan, pipe and penetration sealer.
||RTV Neutral Cure Silicone Sealant. Low odor. Colors. Great adhesion. Not paintable.
||Acetoxy RTV Cure Silicone Sealant, in colors and translucents.
||Aquarium / Underwater Sealant, in clear or black.
||Very High Temperature Silicone Sealant, Red color.
||Butyl Rubber Sealing Tapes: Self adhering butyl rubber in a double-sided tape. For metal roof seams, RV roof trim, window glazing, skylights, etc.
||Makes gaskets or permanently seals any two materials. Not a structural adhesive. Seals underwater if needed.
||Excellent. Designed +/- 50% joint movement AND superior adhesion to all types of substrates including metal roofs, metal seams, Kynar finish sealant, vinyl siding and other tough adhesion substrates. Non-staining to marble etc. Stocked in popular colors. USDA compliant. Quick Curing. Guns in low temps. Solvent free. Paintable. Datasheet.
||Polyether Sealant, Lower cost, 26 Colors, easy to apply. Paintable, USDA compliant.
||Epoxy 2-part joint filler for high-traffic control joints. Lower cost. USDA compliant.
||Hybrid Urethane Self-Leveling, Pumpable or Brush Grade Seam Sealer / Flat Roof Repair Sealant. Adheres to wet surfaces and to all types of surfaces. Fiber reinforced, 1600 PSI Tensile, 300% elongation, moisture curing, low odor, 2 colors, Paintable.
||Thermoplastic Edge Sealant, and small joint sealant, Self-Leveling. Seals cut edges of all types of membranes and general purpose flashing sealant. In clear and 14 colors. Maximum 3/8" bead, 1000% Elongation, 400 PSI tensile. Solvent based. Cures with a very dirt pick-up resistant surface. Paintable.
||Edge Seal, Lap and water cut-off sealant. Primarily a water cut-off for TPO and EPDM. Self-Leveling, Butyl based. White or Black. +/-25% movement, 600% Elongation, 300 PSI Tensile, 54% solids. Paintable.
||Hybrid Urethane Sealant, Vertical Grade, Lower cost NP1 alternative, 2-inch joint, +/-35% movement, 400% Elongation, 400 PSI Tensile, moisture curing, cold weather application capable, low odor, 7 colors, paintable.
||Suitable for most all roofing materials including EPDM, Hypalon, TPO, asphalt shingles, fiberglass shingles, and windows. Paintable. Structural grade. Compatible with asphalt based products. Can be applied and used in wet environments. USDS compliant. Stocked in black, gray, limestone and white.
||Cleanroom Grade of M1. Near-zero outgassing. For wafer fabs, hospitals, vacuum and critical environments.
|MasterSeal CR 125
||(Sonomeric) Self-Leveling Concrete Expansion Joint Sealant. One-Part Polyurethane for Airport Runways / Chemical Environments.
|MasterSeal CR 195
||Security-Grade pick-proof sealant. For prisons, and high-toughness situations. Canadian and USDA approved for meat/chicken processing areas. Adheres to Granite and Marble. Great pool wall to deck sealant. Stocked in white and limestone colors. Paintable.
|MasterSeal NP 150
||For very high-expansion joints. Use on high movement joints. Pre-tinted in 12 standard colors.
|MasterSeal NP 125
||Clear (translucent) structural adhesive and waterproofing sealant. Very strong, fast curing, excellent adhesion. Paintable in about an hour. Expansion joint capability +/- 12%. Used for adhering / repairing roof tiles, snow guards, windows, automotive trim, truck bodies, windows. Not recommended indoors (solvent odor).
||Aluminum filled Silicone sealant (solvent free & odorless) with adhesion promoters. For exterior/interior applications. Matches colors of duct work, galvanized metals, sheet metals.
||Paste-grade flexible epoxy sealant for extreme environments, roof screws, chemical/jet fuel, roofing seams. Above/below grade.
||Self Leveling grade Flexible epoxy for extreme environments, chemical/jet fuel, repair of hard to access areas, roofing seams.
||All around exterior/interior and roofing sealant. Good in colder weather. Quick curing. Solvent Free. Odor free. Pre-tinted in popular colors. Paintable. Also in CLEAR.
||Self Leveling Expansion joint sealant. Odor free, non-shrinking. Use up to 1" wide joints. Concrete and Asphalt compatible. Pre-tinted in popular colors.
||All around exterior sealant. Great for repair of broken roof tiles, roof penetrations, deck joints, parapet walls, etc. UL Fire Rated product. Pre-tinted in 11 standard colors. Paintable. Can be used underwater (apply when dry). Not recommended indoors (some odor during cure)
||Tintable exterior sealant. Can be accelerated for quicker cure or application down to 20F. 2" joint rated. Great for color matching exterior colors on window frames, stucco, expansion joints, etc. Available in 40 standard colors and 470 Custom Colors.
|| Clear Multi-Purpose Quick-Cure Silicone Sealant. RTV Neutral Cure silicone, low odor, application temperature down to -20F.
||Butyl Rubber Sealant, White. Adheres to most everything. Stays VERY flexible after cure. Adheres to TPO / PVC / EPDM.
||Silicone, High / Low Temp (-75F to 500F), Quick Curing. High Performance, high adhesion, available in red and clear.
||Super Strength (2000 PSI) Sealant. Pick Proof. Clear. Not for expansion joints. Great for Snow Guards.
||MasterSeal Expansion joint / general sealant. Self leveling, one-part,pre-colored. Use in expansion joints less than 1.5".
||Tintable self leveling wide expansion joint sealant. Two-part (must be mixed with tint package). Available in 40 standard tints and 470 Custom Colors. Recommended for expansion joints up to 2-1/2" wide.
||Polyurea 2-part super-duty warehouse control joint filler.
||Textured in Color. Its NP-1 chemistry and cures like sanded grout or stucco. Use on stucco as a grout or anywhere a slight texture is needed. Pre-tinted in 11 colors. Paintable.
||Exterior, Roofing / Siding / Window / Door Sealant in 200 colors, from Franklin Titebond.
Also see our Adhesives,
Penetration Seals and
Roof Repair Sections for similar items.
Pantone PMS Color Ideas.
Applications & Product Overviews:
BASF Master Builders part number Cross Reference Guide
General Specification for Sealants and Joints. Use either butyl
sealant conforming to ASTM C-1085; latex sealant conforming to ASTM C-834;
polyurethane or polyether or silicone sealant complying with ASTM C-920.
This is the workhorse of silicone rubber sealants.
Acetoxyl curing RTV (room
temperature vulcanizing). It has natural anti-bacterial
anti-mold/mildew properties, great adhesion, toughness, low dirt pickup and
is available in clear,
white. Its advanced chemistry provides
400% elongation with 250PSI Tensile for +/-25% joint movement. It has great adhesion to
granite, marble. glass, most plastics, porcelain, metals, etc. It is not paintable.
The new translucent colors are ideal for decorator grade kitchens and baths.
Kitchen Tile Project
We suggest Duralink
for its optimal adhesion and long lasting performance. Duralink is great for
metal roofing, very high-movement applications,
difficult environments or the best overall performance. Its advanced hybrid
sealant chemistry provides for +/-50% joint movement and has superior
adhesion to glass, wood, all roofing materials. Duralink has
a 25 year life expectancy. Duralink is 100% solvent free,
100% solids, very low odor (use indoors), very low VOC, quick curing and low
temp curing (down to 30F).
Superior adhesion AND +/- 50% joint movement, 750-800 %+ elongation, 250-300
tensile. Adheres to nearly everything including Kynar coated roof metals,
siliconized paints, metal with acrylic finish, vinyl siding or
vinyl clad windows, glass, metals, EFIS, foam, plastics, concrete, stone,
wood, BUR, cured asphalt and more. Will not stain limestone or marble.
USDA compliant. Stocked in all
popular colors. Quick Curing. Paintable
Lucas 5500M Synthetic Rubber, Mastic Grade, Brushable. Used for repairing metal roofs and trailers, built-up roofing seams, gutters and metal roof seams. 56% Solids, 1600% Tensile, 300% Elongation. Maximum thickness is 1/4". Gray color.
Lucas 5900 A Clear Brushable Sealant, Based on tough Styrene Ethylene/Butylene Styrene polymers with solvent. A clear brushable sealant intended for waterproofing and fiberglass roof panels and translucent skylights. 39% Solids, 1800 PSI Tensile, 1000% Elongation. High VOC.
Lucas 6600 Universal Sealant in 14 colors. High-performance, multi-purpose thermoplastic elastomer sealant for Metal Seams, Sidings or Roof Flashings on all types of substrates. Cures with a very dirt resistant finish. Vertical Grade. Suitable for up to 3/8" wide joints. 400 PSI Tensile, 1000% Elongation, 69% Solids.
Lucas 6600 SL Self Leveling grade of Universal Sealant. Clear or WHite. High-performance, multi-purpose thermoplastic elastomer sealant for membrane seam edges and cut edges on TPO, PVC, EPDM (small areas). Cures with a very dirt resistant finish. Suitable for up to 3/8" wide joints. 400 PSI Tensile, 1000% Elongation, 69% Solids.
Lucas 6900 Universal Clear Sealant with Microfiber Reinforcement, Brushable Grade, 1G cans. Suitable for all roofing types. 45% Solids, 500% Elongation, 1000 PSI tensile.
Lucas 8600 Edge Seal. Lap and water cut-off single-ply mastic for EPDM and TPO. A low modulus butyl rubber based self leveling sealant. Fast drying. 54% Solids, 600% Elongation, 300 PSI tensile.
Lucas 9600 Similar to M1, in 7 colors. 400% Elongation with 400% tensile and joint size to 2", 100% solids, non-shrinking. Its recommended for roofing membranes (EPDM, TPO modified bitumen
and PVC type materials). TPO Primer first on TPO.
is recommended for roofing membranes made from EPDM, TPO modified bitumen
and PVC type materials. TPO Primer first on TPO.
For shingle adhesive on fiberglass / asphalt shingles
structural sealant is recommended. M1 has 400 PSI tensile and 400-450%
elongation. M1 is also a great general purpose
sealant. M1 can also be used to create containment seals between walls and
floors of storage rooms for oil based products. For example, between a metal
wall and concrete floor. M1 will cure under water and can be used for
emergency wet repairs, applying pool tiles. Its important to wire brush then
"work" the product into the surface to create good adhesion.
MasterSeal NP 125
(formerlay Sonolastic Clear 25) s a
great translucent-clear, non-staining sealant for roof tiles, glass & window, tile, siding,
car windows and structural adhesive applications. Very fast curing. It is used in the auto industry as a trim
adhesive and for general sealing. With good UV resistance and strength, it is also widely used as a roof tile
adhesive. +/- 12.5 movement, 500+ PSI tensile, 560% elongation.
Flexible Epoxy Sealant, 2-part Flexible Epoxy Caulking / Sealant, GRAY Color, Vertical Grade. For extreme environments. Chemical Resistant. 90% Solids, 200% Elongation. Paintable.
Self Leveling Grade, Flexible Epoxy Sealant, 2-part Flexible Epoxy Caulking / Sealant, GRAY Color, Vertical Grade. For extreme environments. Chemical Resistant. 86% Solids, 200% Elongation. Meets USDA. Paintable.
is a very popular solution for most construction caulking and structural
sealant applications. 800% Elongation and 350 PSI tensile. Available pre-tinted in
colors. It has superior adhesion and is suitable for +/-35%
total joint expansion applications such as window frames, roofing tile,
panel walls, parapets, vinyl siding, stucco, and in deck joints.
is custom color tintable and handles up to 2" joint width at 50%
movement, and the cure can be accelerated; 280% elongation and 160 PSI
SB-170 Clear Multi-Purpose Quick-Cure Silicone Sealant. RTV Neutral Cure silicone, low odor, application temperature down to -20F.
high performance silicone sealant is used to seal to silicone rubber
surfaces and high-temperature, electrical applications, and extreme
environments (-75F to +500F).
for super strength 2000 psi (cures more slowly in regular temperatures).
Commonly used for snow guard. Not
for expansion joints.
1-Part is a light gray, highly flexible, self-leveling moisture
curing pourable sealer. Its 100% solid rubber, has no V.O.C. (volatile
organic content), will not melt or shrink, is UV resistant and is resistant
Concrete Expansion Joint Products:
Leveling concrete expansion joint sealant is 100% solids (non-shrinking),
solvent free (very low order on cure, suitable for indoors), quick curing
(can apply down to -32F), and very cost effective. 300% elongation, 150
abrasion resistant (pedestrian traffic suitable). Its a
easy to use single-component product useful for joints up to 2" wide.
Novalink is asphalt compatible (aged asphalt).
are great concrete expansion joint sealants and are used for public
walkways, driveways, swimming pool decks, road expansion joints parking lot joints, pavement joints, driveway expansion joints,
road joints, exterior deck expansion joints and such.
SL2 is used for wide
joints and is also tintable in
Standard colors and
470 custom colors. Sonneborn SL1/SL2 is not asphalt compatible.
1 is a single component Self leveling polyurethane sealant
which is Jet fuel and resistant to many chemicals. It has 1200%
instead of NP1. It dries with a nice textured finish similar to stucco or
grout. It's the same chemistry as NP1.
TX1 is easy to tool with a
consistent appearance. Its available pre-tinted in many
For above water line pool deck-to-wall grout repairs,
are excellent. These sealants survive the stresses that cause mortar grout
cracking. Ultra has excellent dirt pick-up resistance. Dirt
and hard-water pool
deposits are easily removed! NOTE: It is very important to keep the pool wall-to-deck interface
waterproofed, as constant chemical and water exposure quickly corrodes the
steel re-bar, resulting in structural damage. M-1 can be applied for in wet
emergency repairs (resetting / re-grouting tiles) and will cure quickly.
Where substrate adhesion is
questionable, or in constant submersion situations, primers should be used.
Primer-733 is an easy to use one-component solvent based sealant primer
for use with urethane sealants applied to metal, wood and coated surfaces.
easy to use one-component solvent based sealant-primer
for use with Sonolastic 150 / polyether sealants applied to porous surfaces,
concrete, grout, stucco and wood. For TPO roofing,
is recommended. A favorite of many deck waterproofing
contractors is Polyprime 2180. Its a
2-part epoxy-polyamine primer. For a easy to use on-component wood &
concrete primer, try
MasterSeal P 222
Uni-Tile Sealer is a two-component, quick
drying epoxy-polyamide penetrating primer/sealer which penetrates and seals
porous surfaces to improve adhesion -- excellent on concrete and pool decks.
is a one-component water based penetrating concrete sealer.
an easy to compress soft celled foam. It is inserted into a clean joint at
required depth before caulking/sealing.
Backer Rod creates an even depth and
supports the caulk. The even depth is important to create the correct
width-to depth ratio (~3:1) for the expansion joint.
Select a backer-rod diameter that is about 25% larger than the nominal width of the joint.
Backer rod sizing and
installation information is at the bottom of this page.
Technical Product Data Sheets &
Flexible Self Leveling Very Flexible Fill-Grade Sealant
ASI-335 RTV Neutral Cure Silicone Sealant, in colors.
ASI-502 Acetoxy RTV Cure Silicone Sealant, in colors.
ASI-502AQ Aquarium / Underwater Sealant, in colors.
ASI-600 High Temperature Silicone Sealant.
Butyl Rubber MB-10A high-temp butyl rubber sealant preformed tape
Butyl Rubber MH-19
standard, black butyl rubber sealant preformed tape
Butyl Rubber Sealant
gun grade, in a tube, from American Sealant
(high-performance, superior adhesion, roofing, siding, windows etc)
(Neutral Curing silcone sealant with great adhesion, +/-50%
joint movement, for windows, door metal siding, extreme temperature
environments (-80F to +400F)
silicone based pitch-pan sealer, for hot pipes to 350 F)
EJC-25 or -50 (2-part polyurea, jet fuel resistant expanion joint
Epolith (2-part epoxy joint filler
for saw cuts in concrete)
Great Stuff (polyurethane foam sealant for gaps and cracks)
M-1 (structural sealant
for EPDM, synthetic and asphalt roofing, wet
condition repairs, immersion, pools)
MasterSeal CR 195
(formerly Ultra, white, pick-resistant, very tough, harder curing)
MasterSeal NP-1 (expansion joints & exterior sealant, water immersion,
(up to 2" wide vertical expansion joints,
MasterSeal NP 125 (formerly Clear 25, clear joint & structural sealant
MasterSeal NP 150 (formerly Sonolastic 150 VLM, high-elasticity joint sealant)
Metalink (alumimum colored sealant, matches galvanized metal and
(higher performance expansion joints & exterior sealant)
(self leveling, for up to 2" wide expansion joints, quicker curing
than SL1, low VOC, pre-tinted in several popular colors)
(Formerly AES-300) Flexible 2-part epoxy caulk/sealant,
(Formerly AES-350) Flexible 2-part epoxy caulk/sealant,
Self Leveling Grade
(Butyl rubber sealant, very flexible with great adhesion)
SB-170 (Clear Multi-Purpose Quick-Cure Silicone Sealant)
SB-188 (High-Temp Silicone, quick
curing, high performance)
SB-190 (super strength,
(self leveling up to 1.5" wide horizontal concrete expansion joints)
(self leveling, to 2.5" wide horiz. expansion joints,
1 (submerged water & chemical sealant)
TF-100 (heavy traffic quick-set
2-part polyurea saw-cut joint filler)
(textured sealant, looks like grout, for stucco crack repair, etc.)
Weathermaster Metal Roof Sealant (adheres to Kynar, custom colors)
Weathermaster Metal Siding Sealant (200
MB-10A Tape Sealant is a premier high-temperature elastomeric butyl rubber sealant designed to
meet the critical requirements of metal buildings. It also meets or
exceeds all sealing requirements for window glazing, air conditioning,
and refrigeration. Our MB-10A butyl rubber sealant is extruded on silicone coated paper for
waterproofing mastic. Odor free for indoor use. A
high-grade 99 solids shrink free, polyether
based waterproofing sealant. Can be used
in all types of applications, above grade, mechanical construction,
and below grade. Compatible with asphaltic products and bitumen.
Not UV resistant. Requires an overcoat in sun exposed applications.
Rated best for all surfaces. Use in joints with up to +/- 50% movement;
has 750 - 800% elongation; 250-300 PSI tensile. Silyl-terminated
polyether formulated for superior adhesion to surfaces.
Available in 10 popular colors to match
siding, metal roofing. Provides exceptional adhesion to Kynar coated metal materials, along
with standard metal, aluminum, steel, galvanized, bonderized surfaces,
siliconized paint, plastics, marble, glass and more. Non-staining on any
surface and is paintable.
Neutral Curing silicone sealant with good adhesion, +/-50% joint
movement, for windows, door metal siding, extreme temperature
environments (-80F to +400F). NOT paintable. Can stain porous
has 75% elongation, 655 psi tensile, 85 shore A hardness and is a
2-part epoxy, formulated for filling saw-cut joints in concrete floors.
Provides a puncture and abrasion resistant seal.
Fastpatch EFC-25 or -50
has 800% elongation, 500 psi tensile, 40-50 shore A hardness and is a
2-part quick setting self leveling poly-urea sealant. Its jet fuel resistant
(and other chemicals). Its formulated for filling control and saw-cut joints in concrete
Provides high chemical and abrasion resistance with a very quick return to
Structural Sealant has 300% elongation, 300 psi tensile,
50-55 shore A hardness (hard), solvent free and is a Silyl-terminated
polyether. Formulated to stick well to polymers, EPDM, glass, masonry,
grout, etc. Will stick to TPO with
Suitable to wet application repairs including resetting pool tiles
MasterSeal CR 195
(formerly Ultra) is a one-component, moisture-curing, aliphatic, non-sag, high strength
polyurethane sealant for security and institutional uses requiring
elasticity, superior color integrity, dirt pick-up resistance,
resistant to mechanical cleaning and enhanced long term UV resistance.
also excellent for pool decks, swimming pool deck-to-pool wall
interfaces. MasterSeal CR 195 is capable of withstanding 25% movement in joints,
yet has a Shore-A 50 hardness for pick-resistance in security applications
(prison windows, schools, public buildings) and other areas needing a
very tough tough product.
MasterSeal NP 125
(formerly Sonolastic Clear 25) has excellent adhesion with a tensile of 320 psi (very strong), 560% elongation, 50 Shore-A hardness and is suitable for 25% total joint movement
MasterSeal NP 25 is excellent for any area needing long term UV
resistance, such as roof tile adhesion, snow guards
and any exterior or interior area you need a high performance, clear,
non-staining product. It bonds readily to glass, stucco, concrete, roofing tiles, wood,
paints, and most metal surfaces. MasterSeal NP 25 is paintable
in just an hour!
MasterSeal NP 150 (formerlay Sonolastic 150) has 1200% elongation,
220 PSI tensile, 17 Shore-A hardness, extreme UV performance, USDA
Food service rated, +100/-50%
joint movement capability and is a Silyl-terminated polyether and
available in a wide variety of
Aluminum filled Silicone sealant (solvent free & odorless) with adhesion promoters. For exterior/interior applications. Matches colors of duct work, galvanized metals, sheet metals.
is 100% solids, solvent free and provides
great performance. It has 300-400% elongation, 175 psi tensile,
zero shrinkage, solvent free, quick curing, easy to gun and tool, Silyl-terminated
polyether formulated to stick well to most construction materials.
Handles +/- 25% joint movement. It
also cures quicker and guns well in cooler temperatures (down to 30F). Not
recommended for Kynar painted metal roofs (use Duralink) or to EPDM (use
Leveling concrete expansion joint sealant is 100% solids
(non-shrinking), solvent free (very low order on cure, suitable for
indoors), quick curing (can be applied down to -32F), and is very cost effective. 300% elongation, 150 psi tensile,
high abrasion resistance (pedestrian traffic suitable). Its an
easy-to-use single component product useful for joints up to 2" wide.
NovaTuff C-300 (Formerly AES-300)
Paste grade, 2-part
epoxy sealant, 200% elongation. 90% solids, UV resistant,
permanent waterproofing. Jet fuel, gas, diesel and chemical
resistant. Suitable for ponding water, below grade, underwater
repairs of all kinds. Can fill small gaps and cracks. Self priming. Paintable.
NovaTuff C-350 (Formerly AES-350)
Self Leveling grade, 2-part
epoxy sealant, 200% elongation. 90% solids, UV resistant,
permanent waterproofing. Jet fuel, gas, diesel and chemical
resistant. Suitable for ponding water, below grade, underwater
repairs of all kinds. Can fill small gaps and cracks. Self priming. Paintable.
by BASF MasterSeal, are the work-horses of the industry. They have 800% elongation, 350 PSI tensile and +/-35% joint
movement capability and 25 Shore-A hardness. The are rated
for water immersion (with use of primer). Canadian and USDA compliant
for meat and poultry areas. US Fire Rated: Passes 4 hour, 4 inch, fire
and hose stream test. Polyurethane based, UV protected and available in a
wide variety of colors. NP2 can be custom color in 40
Standard Colors and
470 custom colors tinted and the cure can be accelerated in NP2.
is a architectural
grade butyl sealant for skylights, windows and general sealing. It
has outstanding adhesion to a variety of materials.
Standard in gray or white.
Clear Multi-Purpose Quick-Cure Silicone Sealant. RTV Neutral Cure silicone, low odor, application temperature down to -20F.
is a silicone rubber sealant
a temperature range of -75F to +500F, tensile of 350 PSI, Elongation of
500%, 25-28 Shore-A hardness, cures in 24 hours. Paintable. Standard in red.
Available in colors.
has a tensile of 2000 PSI, Elongation of 500 %, 70-80 Shore-A hardness,
tack-free in 18-24 hours
and fully cured in 28 days. Min application temperature 50F. Dries
clear. Paintable. Pick-Resistant.
1 is a single component Self leveling polyurethane sealant
which is Jet fuel and resistant to many chemicals. It features 1200%
elongation, and exceptional weather resistance. Used for airport
runways, highways, bridges, stadiums, industrial floors.
TF-100 has 470% elongation, 1975 psi tensile, 85-90 shore-A hardness
and is a 2-component polyurea, formulated for filling saw-cut joints
in concrete floors. Provides a high load seal to resist forklift and
hard wheel traffic. Also works well to fill random cracks.
Weathermaster Siding and
General Purpose Exterior Sealant is available in more than
colors to match most siding and architectural requirements.
Adheres to sidings, widows, door, wood, fiberboard, vinyl, aluminum,
metal, brass and other common building materials. Easy to tool.
Handles up to 1" gaps. Paintable in minutes. USDA approved. 12
Exterior Caulk vs. Sealants:
right sealant or caulk for your exterior application can be
confusing. Over the past decades, many improvements have been made
and new chemistries developed enabling greater performance and
Caulks vs. Sealants: Some manufacturers use the terms "Sealants & Caulks"
interchangeably. Sealants are designed to seal an interface which has movement. Caulks are designed to fill a gap. Sealants are designed to create a
long-term seal that stays intact and prevents moisture ingress and are UV resistant. Sealants deal with greater joint movement, extreme
temperatures and have very low shrinkage. Class A sealants have +/-25% joint movement capability. Polyurethane (urethane) based
sealants are now the most widely used product in the roofing and waterproofing industry due to their super adhesion and toughness. Today,
polyurethane sealants (still called caulks by many) are specified for most roofing and waterproofing details. They are used extensively in flashings, termination bars, reglets,
copings and pitch pans. Upgrades from this are polyether based sealants which can have +/- 50% to +100/-50% expansion capability. Examples include Sonolastic 150 VLM.
Exterior grade weatherproof sealants, such as NP1, TX1 and Sonolastic 150 are high performance polyurethanes
which have excellent performance for sealing most interfaces.
"Painters caulks" are price-driven products serving markets where
performance is subordinate to economy. Painters grade caulks have limited movement capability; usually less than 12 percent movement before cracking, delaminating, peeling or
permanently deforming. Painters caulks shrink quickly over time and have limited (short-term) weathering properties (poor UV resistance).
They are NOT DESIGNED FOR long term UV exposure. Painters grade caulks are
are based on less expensive polymers such as linseed oil, polybutene, asphalt, butyl rubber, SBR
rubber, vinyl acetate and acrylic latex. Do not use
these products in exterior applications or where joint movement can be
greater than 12%.
a different class of product designed for exterior use and long term
performance. Very high-performance
sealants are 100% solids and chemistries
are based on Silyl-terminated
Chemlink, comments "(painters) caulk
becomes hard & brittle and cracks, splits or severely chalks within
three years. These caulks often shrink, sometimes losing up to 30 percent of
their volume from solvent loss, condensation or oxidation. Shrinkage
applies excessive stress at the interface between the construction
material and the caulk mass. (Painters) caulks generally exhibit fair to poor
adhesion on construction materials. Adhesion failure gets worse with
increased volume shrinkage. Most
caulks are designed for the do-it-yourself market."
Although silicone sealants generally have good adhesion, they do not always perform well in roofing
or stucco applications where heat and oil migration from roofing substrates or house-wraps tend to degrade adhesion. Silicones also do not
provide good long term paint adhesion and are difficult to repair (silicone does not like to stick to cured silicone).
New on the market are sealant chemistries such as Polyether
aggressive bonding to most materials,
skin over, cure faster than silicones and many older urethanes and are
They exhibit very little dirt pickup. These products bond like
traditional silicones but are both paintable and more cost effective.
Polyether sealants with VERY
low modulus (soft) are also now available. For example
Sonolastic 150 VLM. These low-modulus materials are
capable of up to 1,200 percent elongation and offer far greater
durability in applications with great movement than either standard silicone or urethane.
In addition, very little moisture is required to trigger a rapid polymerization
reaction in polyether sealants, so they cure quickly too.
EIFS Construction and Joint
Design: See the
EIFS Guide for details. Trouble-free EIFS application is accomplished by
forming a 1/2" to 3/4" sealant gap wherever EIFS meets a non-EIFS material, such as roofing, trim, or doors and windows, according to
the EIMA EIFS Guide. The correct gap makes it possible to finish the exposed edges of the expanded polystyrene, which should be wrapped
with reinforcing mesh before the EPS is secured to the sheathing with a waterproofing application of base coat. Then the rest of the finish
goes on. Finally, the gap is filled with soft or closed-cell backer rod and a bead of compatible sealant.
Novalink Polyether Sealant is an excellent sealant for this
Textured Sealants are also available which cure textured to look
Joint Design (typical -- see individual product
Install all joint applications
per ASTM and SWRI recommendations and guidelines. Joints shall be designed
with a depth to width ratio of 1:2 (joint depth one-half the width). It is
recommended that the joint shall be no less then 1/4" wide by 1/4" deep (6 mm x
6 mm). The maximum depth of sealant shall be 1/2" (13 mm). The maximum width
is 2" (certain materials; some are limited to 1"). Control the depth of the
sealant by using a backer rod that is 25% larger then the joint opening at
75F temperature. Where the joint configuration will not permit a backer rod,
it is recommended that an alternative bond breaker be used. Prevention of
three-point adhesion is necessary through the use of a backer rod or bond
breaker tape to ensure proper joint movement and a long lasting weatherproof
Backer Rod Installation
Guide to EIFS Joint Design.
How To Install Backer Rod and Apply
1. Where priming of the surface
material is necessary, primer should be applied only to the sides of
the joint surfaces and allowed to dry
tack-free before the Backer-Rod is placed. DO NOT prime the Backer-Rod.
2. Follow suggestions for joint-sealant application as directed by
the sealant manufacturer.
3. Tool to desired shape using a caulking
tool or old spoon.
Hint: For polyurethanes, wet the tool regularly with water or
toluene to enable a smooth
surface. Soapy water is not recommended as some soaps can interfere
with joint bonds.
4. Most products need 24 hours
minimum cure before applying any type of over-coating. Follow the
manufacturers recommended cures.
those not who are not professional applicators, use masking tape on
surfaces where you do not want sealant. It is very difficult
to remove from unwanted areas.
More Instructions for Installing and placing Backer Rod
Sealant / Caulking Yield Rate
* Assumptions: 12.6 tubes (of 10.1 oz size) per per gallon
Tubes assume 6% waste
12 tubes (10.1oz ) = 1 gallon
6 sausages = 1 gallon
4.57 28oz tubes = 1 gallon
54 tubes = 4.5 gallon pail
60 tubes (10.1 oz) = 5 gallons
1 cubic foot = 957.5 ounces = 28316 ml
1 gallon = 231 cubic inches = 3785 ml
Depth x Width
Lineal Feet *
Lineal Feet *
(per US Gallon)
per 28 oz tube
(per 10oz Tube)
1/8 x 1/8
1/8 x 1/4
1/8 x 3/8
1/8 x 1/2
1/8 x 5/8
1/8 x 3/4
1/8 x 7/8
1/8 x 1
1/4 x 1/4
1/4 x 3/8
1/4 x 1/2
1/4 x 5/8
1/4 x 3/4
1/4 x 7/8
1/4 x 1
3/8 x 3/8
3/8 x 1/2
3/8 x 5/8
3/8 x 3/4
3/8 x 1
1/2 x 1-1/4
3/4 x 1-1/2
3/4 x 2
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