Snow Guards (Snowguards) and Snow Rails
We're proud to provide Snow Guards and Snow Rails from all the industries
leading snow guard manufacturers including the
and Snow Rail snow retention systems,
Levis Snow Defenders,
MM/Glacier clear Snow Guards,
Sno Shield and
TRA Snow and Sun. All have a lifetime warranty and are engineered to
prevent damage or injury caused by avalanching snow and ice while enhancing
the beauty of any roofing system. We have snow guards for all
types of roofs including: metal roof snow guards, shingle roof snowguards, tile
roof snow guards, membrane roof snow guards, snow rail systems, cedar shake roof and slate roofs snowguards.
You'll find our Snow Guard / Snow Rail quick shipping & discount prices are unbeatable.
Or call 1-800-474-7570
You'll get a prompt reply !
Snow Guard Product Details & Pricing:
-- Special Sale --
Heavy Duty Snow Guard by Glacier
<--As low as $3.25
Mini Snow Guard by Glacier
<--As low as $1.65
(fits narrow-space areas)
Asphalt Shingle Snow Guards
Snow Guards for Standing Seam Metal Roofs
Copper Roof Snow
Corrugated Metal Roof Snow Guards
Designer Series Snow
(also see catalog items)
Flat Metal Roof Panel Guards
Plastic Snow Guards
Slate Roof Snow
Snow Rail Systems for Metal Roofs
Tile Roof Snow Guards
More Tile Roof Options
More Product Options:
Berger Catalog of
Berger items in Webstore
Tra Catalog of
Tra items in Webstore
Orders over 500 units qualify for special freight. Email us for
Full Catalog of Options
Full Catalog of Options
Snowguard Fastening: Glacier's Snow Guards are designed
with an oversize footprint that provides a large bonding area for adhesive in stallation.
Glacier's snow guards are approved for adhesive installation with with the recommended construction
adhesive sealants. (competitors designs have much smaller contact area and do not hold well). Or you can use both adhesive and fasteners if
General use cost-effective structural sealant &
(325 psi tensile)
strong adhesive-sealant. Recommended as best by most snow guard
manufacturer. (2000 psi
How Much Adhesive: One tube of
Sealant installs about 6-8 Heavy Duty Glacier guards and 17 to 20
of the Glacier Mini Guards.
Fasteners, if desired: Recommended is
#8 HWH SMS together with
an EPDM bond-seal washer.
information on seal washers.
Special / Custom snow retention
layouts: Berger Building Products offers an
calculator spreadsheet tool for help with layouts and quantities.
MORE INFO ON SNOW GUARD PRODUCTS:
(accommodates up to 4 rails)
(low-profile, 1-rail system)
(accommodates up to 4 rails)
(low-profile, 1-rail system)
Duty Snow Guard by Glacier
SNOW GUARD PRODUCT:
#GSGT5P, Heavy Duty Snow Guard by Glacier. Made from
Polycarbonate (Lexan). 4.5" wide x 7.5" long with a 3" high
guard. Design for superior strength with adhesive applications.
APPLICATIONS: Roofs including metal, EPDM, PVC, slate and asphalt
The largest and strongest SnowGuard
available on the market today. Made from super tough
polycarbonate material for the greatest available performance
With over 30 square inches of base coverage, the Glacier Snow Guard
has surpassed the competition to assure the best possible
holding and reliability.
4.5" Wide x 7.5" Long with a 3" High Guard.
Unique ledge design adapts to shingle type applications.
Three large structural ribs provide superior strength.
Exclusive waffle design tread on the bottom
holding power (using recommended adhesive sealants). This
holding power is such that fasteners are not required --
eliminating penetrations and sources of leaks.
Clear Glacier Snow Guards have low
Paintable to match roof colors.
14 pre-molded #8 screw cone head screw holes are
provided for mechanical fastening.
Snow Guard by Glacier
PRODUCT: #MGSG01, Mini Snow
Guard by Glacier. Made from solid Polycarbonate (Lexan). 1.5"
wide x 5" long with a 2" high guard.
for use in smaller areas and overhangs where the larger Snow
Guard is not practical. Can be used on all types of roofs
including metal, EPDM, PVC, slate and asphalt shingles.
The Mini SnowGuards are the strongest of this type available on the market today. They are made from
polycarbonate material for the greatest available performance and durability.
• Narrow footprint enables the MINI
Glacier Snow Guard to fit where larger Snow Guards won't.
Exclusive waffle design tread on the bottom provides maximum holding power (using recommended adhesive sealants). This
holding power is such that fasteners are not required -- eliminating penetrations and sources of leaks.
• Designed for overhangs and narrow valleys found on typical
• U.V. resistant
• Two oversized structural ribs for superior strength.
• Clear Glacier Snow Guards are practically invisible on
all roof types.
Wide x 5" Long with a 2" High Guard.
Pre-molded #8 screw cone-head screw holes are provided for
mechanical fasteners (if desired).
Snow Loads, Calculations and Snow
The number, location, spacing and attachment method is dependant on
the "snow load". Snow loads vary with your location, roof design,
seasons, rapid changes in weather and other factors. If you have snow
guards which come off, you need to review the snow load. Unbalanced
Snow Loads and excessive Snow Build-Up can overload roofs. Good
Commentary On Snow
Loads, by the U.S. Army Corps of Engineers.
Changes in Snow Load
Calculations, by B. Feldman.
Roof Design for Snow Areas. Excellent discussion of causes of ice
dams / buildup and proper roof design.
Dam Formation on Roofs and How to Prevent. From University of
* ASCE-7, America Society of
Civil Engineers, "Minimum Design
Loads for Buildings and Other Structures". This includes a formula
that can be used to convert snow depth to weight.
How do Snow Guards work?
SnowGuards can prevent damage or danger caused by avalanching snow and
ice. Snow Guards are attached to the rooftop to allow snow and ice to drop
off in small amounts or melt completely before falling to the ground.
The Glacier snowguards are designed not only for safety, but for a pleasing
while being very cost-effective.
Snow guards are installed on roof surfaces to protect against snow and
ice damage below. It especially important to install snowguards above: entryways,
walkways, and gathering spots; parking lots and drive-through areas;
expensive landscaping; ground mounted mechanicals; on metal roofs; lower roofs; valleys and
crickets; and gutters and roof protrusions, such as plumbing vents.
SNOWGUARD INSTALLATION AND SNOW GUARD MANUFACTURERS RECOMMENDATIONS:
(Please see individual
products for product specific installation).
NOTE: Best Materials is not responsible for determining the structural integrity or live load
capacity of any roof on which Snow Guards will be installed. This shall be done by an licensed architect or engineer.
See Snow Loads & Calculations above.
* All OEM's recommend
(VERY STRONG). But some use
or SB-1800 structural adhesive sealants. SB-1800 cures quicker, but is
not nearly as strong and is more expensive. SB-1800 is the only
material which can be used during cold temperature installations,
and should be seen as s temporary adhesive until weather warms..
SB-190 is strongest with 2000 PSI tensile (vs. 325 psi for
If you use SB-1800 or Clear-25, you will need MORE snowguards to achieve the
same snow holding power as with
If snowguards come loose, it indicates you have not installed
enough Snowguards to sustain the snow load or melting snow
conditions. It is not a failure of the adhesive system or the
snowguards. If you attached using SB-1800, re-attach these with
SB-190 in the Spring / warmer weather.
* Use of adhesive only or adhesive
plus fasteners is satisfactory for some
applications with Glacier snow guards. Glacier recommends
Typical SnowGuard Installation Procedures for
1. The area that the SnowGuard will be installed must be clean
from any surface contamination. Alcohol will clean the area and
will dry quickly. Area must be dry for adhesives to bond properly.
2. Use a pencil to mark the area where the Snow Guard will be
installed, no more than 12" from outside of exterior wall to help
prevent ice dams. At the eaves on most roofs under 6/12 pitches,
two staggered rows of SnowGuards will be sufficient. Over 6/12 pitches, a third
row must be added. If the distance from the roof edge to peak is
greater than thirty feet, no matter the pitch, two additional rows
of SnowGuards should be added. Add Snow Guards to areas over doorways and around
valleys for added protection.
* If unsure about location,
placement, fastening or
number of Snow Guards needed please
Snow Guards technical support.
3. After marks have been made. Test fit the Snow Guard. Then apply
a bead of adhesive to all ribs, edges and flat surfaces on
the entire bottom of Snow Guard. Be sure to apply enough adhesive
to fill all air gaps along the ribs and flat surfaces.
One tube installs about 6-8 Heavy Duty guards and 17 to 20
of the Mini Guards.
4. Press the SnowGuard firmly into place with the shingle ledge
pointed up, above the mark made in step 2. Apply enough pressure
so the adhesive flows into all the holes and around perimeter.
5. OPTIONAL FASTENERS: If specified, install screws through pilot holes of choice in Snow Guard and
metal roof. Screw must penetrate through purlin or support beam
under metal roof panel. For most installations, two screws which
penetrate into the support beam must be used as a minimum.
Installer shall determine proper length, size and number of screws
necessary for required holding strength and torque. Four or more screws help full the metal flat against the Snow Guard and provide even
bonding of the adhesive to the metal
6. Apply an additional small bead of adhesive around the perimeter
of the Snow Guard to seal all edges. Be sure that adhesive came
out of all holes, if not apply adhesive to these areas. Cover the
top of any screws to seal the penetration path.
7. Clean up any excess adhesive sealant with WD-40 (best) or Acetone or
alcohol (caution: solvent materials are very flammable. Also, eye
and skin protection should be used).
8. Allow enough time for the adhesive sealant to fully cure.
cure tack free in 30 minutes at 70F. It will cure to full strength in
days in warm areas.
Clear-25 will NOT cure
when below 50F.
initially set after 8 hours and fully cure after 24 hours at 70F
and 50% RH, and can be applied down to -20F. It will set and cure
below 50F, just slower. You will need MORE snowguards when using
SB-1800 as its not as strong as Clear-25.
Glacier Installation Procedures for Mechanical
Installation on Shingles:
- Area that SnowGuard will be installed must be clean from any surface
- Install the first
Snow Guard no more than 12" from outside of exterior wall and 12"
from outside of gable side to prevent ice dams. Determine the
position of the shingle that will cover the shingle ledge by laying
it in position and marking in the center of the lower shingle.
From this mark, measure up no less than 1 (one) inch and no more than
1-¼ (one and a quarter) inch and place a mark, this mark is the top
of the Snow Guard.
- The installer
must determine the proper length, size and number of fasteners or
type of adhesive to
use. The head of the fastener must be even with snow guard, if it
sticks beyond the Snow Guard it could cause the fastener to push
through the shingle.
- Now is the time
to install the first Snow Guard. Position the top of Snow Guard at
the mark made in step 2. Insert fasteners into chosen holes of
Shingle Ledge on uppermost part of Snow Guard. When fastening be
sure that one screw penetrate through a rafter, purlin or structural
- Install the
remainder Snow Guards to this row following the guidelines
discussed. There should be a maximum of 24" between each Snow
Guard horizontally and a maximum of 24" vertically. Stagger the
next row at the midpoint of the Snow Guards below. Continue this
row until reach the other side of roof. At the eaves on most roofs
under 6/12 pitch, two staggered rows will be sufficient. Over 6/12
pitch, a third row must be added. If the distance from the roof
edge to peak is greater than thirty feet, no matter the pitch, two
additional rows should be added at the center of roof. Add Snow
Guards to areas over doorways and around valleys for added
protection. If unsure of amount needed please contact Glacier
- If using screws,
cover top and edge of screw with sealant to further protect from
GLACIER SNOW GUARDS HAVE A LIFETIME
WARRANTY AGAINST ALL PRODUCT DEFECTS
The following manufacturers warranty is made in
lieu of all other warranties expressed or implied. Any goods proven
to be defective due to materials will be replaced, or purchase price
refunded. Under no circumstances shall the manufacturer be responsible
for damages in excess of the purchase price. User shall determine the
suitability of the product for its intended use and assumes all risks
of its use or handling.
If Glacier Snow Guards are to be
installed in the winter months please
Snow Guards for
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