![silicone_8400 100% silicone based Lucas #8400](https://rmlucas.com/wp-content/uploads/2022/07/silicone_8400.jpg)
#8400 100% SILICONE ROOF COATING—LOW SOLIDS
100% silicone based Lucas #8400* is a single part roof coating that creates a barrier that is resistant to natural weathering, is durable, breathable, watertight and weatherproof. Lucas #8400 can be applied over spray applied polyurethane foam, EPDM, PVC, aged acrylic coatings, concrete, asphalt BUR, granulated modified bitumen, and metal roofs. Not recommended for aluminum coated roofs. On single-ply roofs, #8400 may be applied to TPO roofs with Lucas #8015 TPO Primer. Available in White 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
![5gal_55gal 5gal_55gal](https://rmlucas.com/wp-content/uploads/2022/07/5gal_55gal-300x219.jpg)
Available Colors
![White White](https://rmlucas.com/wp-content/uploads/2023/11/White-300x185.jpg)
Applicable Standards
![UL_Logo_copy UL_Logo_copy](https://rmlucas.com/wp-content/uploads/2022/08/UL_Logo_copy.jpg)
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![crrc crrc](https://rmlucas.com/wp-content/uploads/2022/07/crrc.png)
![miami miami](https://rmlucas.com/wp-content/uploads/2022/07/miami.png)
![title24 title24](https://rmlucas.com/wp-content/uploads/2022/08/title24.png)
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![](https://rmlucas.com/wp-content/plugins/bb-plugin/img/pixel.png)
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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