Density & Yield | PremiSeal 285 give you an ideal combination of density and coverage/yield in a roofing surface. At 2.8 pcf PremiSeal 285 are our most popular systems.
PREMIUM ROOFING PREMISEAL 285
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Density & Yield
PremiSeal 285 give you an ideal combination of density and coverage/yield in a roofing surface. At 2.8 pcf PremiSeal 285 are our most popular systems.
PremiSeal 285 is a nominal 2.8 pcf density closed cell polyurethane foam roofing system intended for use by qualified contractors trained in the processing and application of spray polyurethane foam. PremiSeal 285 provides a superior R-value of 6.4 per inch and a continuous insulation without thermal breaks. The PremiSeal roofing system provides excellent self-adhering qualities with superior wind uplift, is self-flashing, seamless and with its closed cell nature provides a durable leak resistant roofing system. Its superior strength provides excellent resistance to foot traffic and abuses. The PremiSeal 285 roofing system can be used in most retrofit or new construction applications.
PremiSeal 285 is a two-component one to one by volume, spray applied polyurethane foam. The PremiSeal 285 liquid A component (Iso) and B component (Resin) are mixed through specialized proportioning spray equipment to produce a fast curing rigid foam plastic insulation. PremiSeal 285 utilizes an EPA approved, zero ozone depleting blowing agent.
PremiSeal 285 is a roofing system designed for use in commercial and industrial applications. Use in lieu of more traditional forms of roofing systems. PremiSeal 285 can be applied as a new system over most decking substrates or over an existing built up roofing system as a cost effective alternative to a complete tear off. PremiSeal 285 is suitable for application to most construction materials including wood, masonry, concrete, metal and most roofing board stock materials. PremiSeal 285 can be applied to clean, dry and sound roofing surfaces such as BUR, mod bit, metal, concrete, single-ply and other properly prepared roofing systems. This system will provide a seamless monolithic roof system with no joints, seams, cracks or mechanical fasteners that would allow moisture, heat or cold to enter. Additional uses of this product are as an exterior coating for industrial tanks, agricultural structures, air barrier system, etc.
Product Data & Resources
All Premium PremiSeal 285 documentation, manuals and resources available HERE.
Below the most important manuals provided by the manufacturer:
6.4 / Inch, ASTM C 518
2.8 LB / Cubic Foot, ASTM D 1622
50-60 PSI, ASTM D 1621
65-75 PSI, ASTM D 1623 Type C
|CLOSED CELL CONTENT||
> 90%, ASTM D 6226
0.6%, ASTM D 2126
0.9%, ASTM C 2842
200 lb./ft2, CSA 123.21
|SPECIFIC GRAVITY @ 74°F||
A (ISO): 1.24, B (RESIN): 1.19
|VISCOSITY (BROOKFIELD) @ 74°F, CPS||
A (ISO): 250, B (RESIN): 1000-1200
|WEIGHT PER DRUM - LBS||
A (ISO): 551, B (RESIN): 500
ASTM E84, 40
|INTERNATIONAL BUILDING CODE (IBC)||
Meets Roofing and Foam Plastics