![silicone_8500 Lucas #8500 Silicone Mastic](https://rmlucas.com/wp-content/uploads/2022/07/silicone_8500.jpg)
#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.
Product Documents
![stripe stripe](https://rmlucas.com/wp-content/uploads/2022/07/stripe-150x2.jpg)
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Available Sizes
![1gal_3.5gal 1gal_3.5gal](https://rmlucas.com/wp-content/uploads/2022/07/1gal_3.5gal-300x191.jpg)
Available Colors
![White White](https://rmlucas.com/wp-content/uploads/2023/11/White-300x185.jpg)
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O U R L O C A T I O N S
Alsip Plant and Corporate Office:
12400 S. Laramie Ave
Alsip, IL 60803
Chicago Plant:
3211 S. Wood St.
Chicago, IL 60608
Austin Warehouse:
11756 S Austin Ave.
Alsip, IL 60803
General Office:
773-523-4300
General Fax:
773-523-3290