Staycell ONE STEP® Intumescent Spray Foam
Systems Provide Higher Performance than
any Product on the Market.
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Staycell ONE STEP® 502 HFO Intumescent Spray Foam Insulation
(MONOLITHIC System)
Staycell ONE STEP® 502 HFO is a two-part, intumescent, closed-cell, spray polyurethane foam insulation used to insulate roof decks, ceilings, walls, siding, structural steel or tanks and provides an integral air barrier / insulation / vapor retarder for building envelope assemblies.
This product has Class A/Class 1 flame spread and smoke developed ratings and qualifies as an Alternative Thermal Barrier Assembly when installed exposed without thermal barriers, ignition barriers or other fire protective surfaces in accordance with QAI Listing Report No. B1020-1.
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Staycell® 504/Staycell ONE STEP® 502 Intumescent Spray Foam Insulation System (HYBRID System)
The HYBRID System consists of two separate layers of closed-cell foam: Staycell® 504 spray polyurethane foam as the base layer covered with the Staycell ONE STEP® 502 intumescent spray polyurethane foam as the exposed surface layer. It is used to insulate building components such as roof decks, ceilings, walls, siding, structural steel or tanks to provide an integral air barrier / insulation / vapor retarder for building envelope assemblies.
This system has Class A/Class 1 flame spread and smoke developed ratings and qualifies as an Alternative Thermal Barrier Assembly when installed exposed without thermal barriers, ignition barriers or other fire protective surfaces in accordance with QAI Listing Report No. B1020-1.
Base Layer: Staycell® 504 Spray Foam Insulation
Top Layer: Staycell ONE STEP® 502 Intumescent Spray Foam Insulation
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Technical Data Sheet – Staycell HYBRID HFO System
Staycell® 504 HFO Spray Foam Insulation
Staycell® 504 HFO is a two-part, closed-cell, spray polyurethane foam insulation material having Class 1/Class A flame spread and smoke developed ratings and is used to insulate structural steel, ceilings, roof decks, walls or tanks and provides an integral air barrier / insulation / vapor retarder for building envelope assemblies.
Staycell® 504 HFO serves as the base layer for the Staycell® 504 / Staycell ONE STEP® 502 HYBRID System. Other applications include stud wall cavity fill covered with ½” gypsum and exterior vertical wall insulating air barrier applications.
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Technical Data Sheet
Staycell 504 HFO
