Silicone
Si750 Silicone Roof Coating
A single-component, high-solids silicone roof coating that forms a durable, breathable, watertight barrier with excellent weathering resistance. Bonds to TPO and PVC over Pr305 primer and to EPDM over a wash primer, and performs over properly primed cap sheet and modified bitumen.
- Packaging
- 55 gal drum · 5 gal pail · 1 gal pail
- Color
- White, gray, tan, custom
Compatible substrates
Si750 is specified in 3 roof systems — open one for the full build-up.
| Solids by weight ASTM D 1644 | 98 % |
|---|---|
| Solids by volume ASTM D 2697 | 96 % |
| Weight per gallon ASTM D 1475 | 10.4 lbs |
| Theoretical DFT @ 1 gal/100 ft² | 15.4 mils |
| Tensile strength ASTM D 2370 | 220 psi |
| Elongation ASTM D 2370 | 275 % |
| Tear strength ASTM D 624 | > 22 lbf/in |
| Permeance ASTM E 96 | 6.0 perms |
| Reflectivity — initial ASTM C 1549 | 0.86 |
| Reflectivity — aged ASTM C 1549 | 0.73 |
| Emissivity ASTM C 1371 | 0.92 |
| SRI ASTM E 1980 | 110 |
| VOC EPA Method 24 | < 45 g/L |
| Flash point ASTM D 56 | 145 °F |
Need a spec letter for this system?
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