Snow Guards (Snowguards) and Snow Rails

If you use SB-1800 or Clear-25, you will need MORE snowguards to achieve the same snow holding power as with SB-190.

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 adhesive only.

Typical SnowGuard Installation Procedures for Installation on Metal Panels:

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  contact Glacier 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.

  Clear-25 will cure tack free in 30 minutes at 70F. It will cure to full strength in 7-14 days in warm areas. Clear-25 will NOT cure when below 50F.

  SB-1800 will 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.