#8500 100% SILICONE MASTIC

Lucas #8500 Silicone Mastic* is a high solids, non-shrinking moisture cure silicone mastic intended for sealing and repairing roofs, walls, masonry and metal roof seams & fasteners. #8500 has minimal odor, contains no solvents and VOC is less than 10 grams per liter. Use to seal penetrations and terminations prior to application of Lucas #8000 100% Silicone Roof Coating. Excellent adhesion to concrete, masonry, vinyl, fiber cement, polyurethane foam, EPDM, aged acrylic coatings, granular cap sheet, wood, metals, Kynar® and most other common building materials. May be applied to wet and underwater surfaces. Lucas #8015 TPO Primer is required for application TPO roofs. Available in White, Black, and Gray.

*Primer may be needed.