foamsulate - An Accella Brand

PremiSeal 305

PremiSeal 305 is a nominal 3.0 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 305 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 305 roofing system can be used in most retrofit or new construction applications.

General Properties: 

PremiSeal 305 is a two-component one to one by volume, spray applied polyurethane foam. The PremiSeal 305 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 305 utilizes an EPA approved, zero ozone depleting blowing agent.

Recommended Uses: 

PremiSeal 305 is a roofing system designed for use in commercial and industrial applications. Use in lieu of more traditional forms of roofing systems. PremiSeal 305 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 305 is suitable for application to most construction materials including wood, masonry, concrete, metal and most roofing board stock materials. PremiSeal 305 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.

 
Typical Physical Properties
Property PREMISEAL 305 TEST
R-VALUE 6.4 / Inch ASTM C 518
CORE DENSITY 3.0 LB / Cubic Foot ASTM D 1622
COMPRESSIVE STRENGTH 55-65 PSI ASTM D 1621
TENSILE STRENGTH 70-80 PSI ASTM D 1623 Type C
CLOSED CELL CONTENT > 95% ASTM D 6226
DIMENSIONAL STABILITY 0.6% ASTM D 2126
WATER ABSORPTION 0.9% ASTM C 2842
WIND UPLIFT 200 lb./ft2 CSA 123.21
LIQUID COMPONENTS AS SUPPLIED A (ISO) B (RESIN)
SPECIFIC GRAVITY @ 74°F 1.24 1.15
VISCOSITY (BROOKFIELD) @ 74°F, CPS 250 1000-1200
WEIGHT PER DRUM - LBS 551 500
BUILDING CODE CERTIFICATIONS / FIRE TEST DATA
FLAME SPREAD ASTM E84 40
INTERNATIONAL BUILDING CODE (IBC) Meets Roofing and Foam Plastics
UL LISTING Listed TGFU.R26705

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