TRI-BUILT® TMG Granular Ice & Water Barrier is a self-adhering, fiberglass and modified bitumen underlayment with a mineral surfacing, a removable release film on the adhesive side and removable selvedge release tape.
USES: For use as a self-adhering underlayment prior to installation of the final roof system and as a secondary layer used in areas susceptible to wind-blown rain and ice damming. TRI-BUILT® TMG Granular Ice & Water Barrier is used on roof decks, along rake and eave edges, valleys and ridges, and around chimneys, dormers, vents and skylights. TRI-BUILT® TMG Granular Ice & Water Barrier is used under most types of roofing, including tile, wood shake, asphalt, slate or composite shingles. It is not recommended for use under metal roofing.*
• Self-adhering rubberized asphalt
• Mineral surfacing
• Fiberglass mat
• Split treated release film
• Selvedge release tape
• 5-Year Limited Warranty
Underlayment products begin to age as soon as they are exposed to nature. Buildings experience aging factors differently, so it is difficult to predict how long a product will last. That’s why TRI-BUILT® provides a Limited Warranty on TRI-BUILT® TMG Granular Ice & Water Barrier.
* Use TRI-BUILT® SA High Temperature Underlayment or TRI-BUILT® Smooth SA High Temperature Underlayment for metal roofing applications.