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Spray Foam Insulation Systems
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Preferred Solutions, Inc. > PRODUCT > Staycell ONE STEP Spray Foam Insulation Systems
Staycell ONE STEP Spray Foam Insulation Systems

Two-layer, Staycell® 265 / Staycell ONE STEP® (Hybrid System)


The Hybrid System consists of two separate layers of closed-cell foam: Staycell® 265 as the base layer covered with Staycell ONE STEP® 255 intumescent foam as the exposed surface layer. It is typically specified at greater than a two-inch thickness for insulating walls, metal siding and the underside of roofs and concrete slabs.


This System has Class A flame spread and smoke development ratings and is qualified as an Alternative Thermal Barrier Assembly when installed exposed without gypsum board or other fire-protective coverings in accordance with QAI Evaluation Report No. B1020-1, Edition 6.


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