Polyisocyanurate foam insulation (often referred to as PIR foam) has been used successfully as foundation, wall, and roof insulation in both commercial and homes.

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Polyisocyanurate foam insulation (often referred to as PIR foam) has been used successfully as foundation, wall, and roof insulation in both commercial and homes.
Polyisocyanurate (Polyiso) is a closed-cell, rigid foam board insulation that is bonded to facers on both sides, which are composed of various organic and inorganic materials. Polyiso is used in roof,wall, ceiling and specialty applications within commercial and residential buildings of all types.
Count on Yitac for the best in polyiso. polyisocyanurate roofing insulation is constructed from a closed cell polyisocyanurate rigid foam core bonded.