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BASF Sonolastic NP1 and NP2 Sealants

Sonolastic NP1

NP-1 and NP-2 are the most popular high-performance gun-grade moisture-curing polyurethane sealants. NP1 and NP1 are designed for sealing / caulking active exterior joints. NP-1 requires no mixing and bonds to most construction  materials without a primer, including concrete and masonry and many metals. NP-2 is a color tintable 3-part sealant which accommodates up to 2" joints with +/- 50% joint movement. NP2 has 40 standard colors and up to 470 custom color choices. During 2014 BASF started marketing NP1 as Masterbuilders MasterSeal NP1. Its the same product.


Questions? Email
Or call 1-800-474-7570 / 602-272-8128
You'll get a prompt response !



NP-1 Products and Pricingnp1

NP-2 Products and Pricing


More NP Information:


NP-1 Product Data Sheet

NP-2 Product Data Sheet

Leeds Certificationnp1

Standard Colors


NP-1 Primary Uses: Interior or Exterior and suitable for all common construction materials, including: Concrete / masonry, aluminum, wood and wood window frames, expansion wall joints, curtain wall construction, panel walls, pre-cast units, fascia, parapets, structural components, vinyl siding.


NP-1/ NP-2 Features: np1
- NP-1: +/- 35% joint movement capability, 1-inch.
   NP1 has 800% Elongation, 350 PSI Tensile.
- NP-2: +/-50% up to 2-inch joint movement, Color Tintable
   NP2 has 160 PSI tensile, 280% elongation.
- Both are available in 10.1 oz. cartridges 20 oz.
   Sausages, and 1-1/2 to 5G pails.
- Easy to gun and tool.
- Popular of colors.
- Bonds to most construction materials without a primer.
- Fire Resistant: UL Rated, Passes 4 hour when used withNP2 Tintable, Quick-Cure, Polyurethant Sealant, 1.5G (w/o tint)
   mineral wool.
- USDA Compliant for use in meat and poultry area.
- One component.
- Extremely Weather resistant.
- Wide temperature application range.
- Long-lasting weather-tight seals.
- Suitable for all climates.
- Paintable.

NP-2 (BASF MasterSeal 900) is a color-tintable higher-performance sealant. It can accommodate /- 50% joint movement and joints widths up to 2 inches. NP-2 can NP1 Caulking Sealant in all popular colors

also be accelerated for quicker cure or application down to 20F. Its also great for color matching exterior colors on window frames, stucco, expansion joints, etc. 


NP-1, NP-2 Colors:

NP-1 is pre-tinted in 11 standard colors. We stock the complete line of standard colors icluding white, off-white, limestone, stone, tan, aluminium grey, medium bronze, special bronze, redwood tan, and black.


NP-2 has 40 standard colors and 470 Custom Colors.NP1 Propak, K 20 OZ. SAUSAGE PACK in all colors


NP1 / NP2 Packaging:

20 oz (590 ml) Sausages, 20 Sausages/Case.
10.1 oz (300 ml) Tubes, 30 Tubes/Case;
1440 Tubes/30 Cases/Pallet.



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Adhesives, Backer Rod, Butyl Rubber, Caulk & Sealants, Chem Curbs, Chinking, Concrete Products, Concrete Repair, Concrete Stain & Sealer, Deck Coatings, Deck Hardware, Diamond Saw Blades, Drains, Electric Hot Air Welders, Electric Service Flashings, Eternabond, Expansion Joints, Fall Protection Kits, Fasteners, Fire Stopping Vents, Flashing Tape, Foam Roofing, Gas & Safety Cans, Generators, Hidden, Deck Fasteners, Hot Dipped Roofing Nails, Hot Tar Kettles, Houseboat Roof/Deck Repair, Knowledgebase, Log Home Products, Magnetic Hammers, Metal Roofing, Miami-Dade Nails, Narrow Crown Stainless, StaplesNP1, Polyurethane Foam, Pipe Flashings, Power Tools & Accessories, Propane Hot Air Welders, PVC Roofing, Retrofit Pipe Flashings, Rex Synfelt, Rigging/Lifting Hardware, Rivets, Roof Anchors, Roof Hatch, Roof Leak Repair, Roof Paints & Coatings, Roof Repair Materials, Roof Screws, Roofing Fasteners, Roofing Nails, Rooftop Electrical Flashings, Rope, RV & Trailer Roof Repair, RV Roof Replacement, Safety Rail Systems, Saw Blades, Sealants, Sealing Washers, Snow Guards, Spray Polyurethane Foam, Stinger, Stainless Nails/Fasteners, Tarps, TPO Accessories, Underlayments, Vents, Roof Vents, Video Movies, Waterproofing Products, Wood Deck Hardware

Popular Suppliers Include:

ACRO, Active Ventilation, AES Epoxies, AES Raptor, AJC, Albion, Alcoa/Marson, All Line, Alpha ProTech, American Sealants, Applied Technologies, ASI Products, Attic Breeze, Aztec Washer, Babcock-Davis, BAK Welders, BASF, Berger, Berry Plastics, Biltrite, Brentwood, Brewer, CEP, Chem Link, Cleasby, CME Manufacturing, CPR, Deks, Dow, Eagle, EagleView, Erin Rope, ES Products, Eternabond, Everhard, Falltech, Flame Engineering, Flashco, Foxy, Franklin / Titebond, Fry Reglet, Greenstreak, GSSI, Guardian, Harpster, HY-C, Interwrap, ITP, ITW, Jaaco, JL Industries, Josam, Karnak, Levis, LionGuard, LSP, Lucas, Luco, Makita, Marathon, Marshalltown, Maze Nails, MEC, MFM, Miro, MM Products, National Nail, Natural Light, Newborn, OMG, Pam Fasteners, Pearl, Polar Blox, Polycoat, Portals Plus, Powers Fasteners, Prime Source, ProTech, Protecto Wrap, Pylex, Quarrix, QuickMount, RHH Foam, Robetex, Roofmaster, RoofTop Products, Senco, SFS Intec, Sievert, Simpson Strong-Tie, Smith, Sno Gem, Solomon, Sonneborn, Steelhead, SunRise Solar, Sunset, Super Anchor, Surebond, Swan Secure, TRA, Trufast, United / Quest, Vulcan, Wade, Watts, Weatherbond, Werner, Western Colloid, Winco, Zurn

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