
Acrylic
Ac550 Acrylic Roof Coating
A 100% acrylic elastomeric topcoat for metal, modified bitumen, BUR, PVC, EPDM, concrete roofs and masonry walls, applied over a compatible base coat. High rubber-like elasticity handles wide temperature swings and building movement, and it can be combined with polyester fabric to fully encapsulate a roof.
- Packaging
- 55 gal drum · 5 gal pail
- Color
- White
Compatible substrates
Ac550 is specified in 5 roof systems — open one for the full build-up.
| Weight per gallon | 11.8 lbs |
|---|---|
| Solids by weight | 60 % |
| Solids by volume | 53 % |
| Tear resistance | 82 lbf/in |
| Hardness | 70 Shore A |
| Tensile strength | 300 psi |
| Elongation | 250 % |
| Cure time @ 77 °F, 50 % RH | 24–48 hours |
| Application temperature | 40 °F to 120 °F |
| Service temperature | 15 °F to 180 °F |
| VOC | 50 g/L |
Need a spec letter for this system?
Our reps write them for building owners and architects.






