Revision context
Document record
This three-page technical data sheet covers Henry 869 Rubberized Aluminum Roof Coating, sold in 5-gallon containers. The revision date printed on the sheet is September 13, 2022. The coating is a black liquid with silver pigment, with at least 50 percent solids by weight and at least 42 percent by volume, a weight of 8.6 to 9.4 pounds per gallon and a VOC maximum of 450 g/l.
Typical properties include a Brookfield viscosity of 4,500 to 7,500 cPs, an aluminum content above 9 percent, and a pass under ASTM D7281 water migration resistance. The CRRC rows give solar reflectance of 0.69 initially and 0.50 after three years, thermal emittance of 0.40 and 0.48, and SRI of 70 initially and 42 after three years, under CRRC product ID 0620-0043. The approvals listed are Miami-Dade County approval and conformance to ASTM D2824 Type III and ASTM D7281.
The application temperature range is 40 to 100 degrees Fahrenheit, and the flash point is 100 degrees Fahrenheit minimum. The application section calls for mechanical mixing before and during use and application in one direction only. Prep includes embedding Henry 181 or 183 roof repair fabric between coats of Henry 209XR, 208R, 208 Wet Patch or 505 FlashMaster cement, with a 30-day cure before coating.
Material changes / notes
Official manufacturer technical resource matched to this product by product name. Confirm the current revision at the source before use.