when should frames be filled with foam insulation

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Polyisocyanurate foam (polyiso) is modified polyurethane foam but offers greater dimensional stability over a wider service temperature range.Polyisocyanurate foam is specifically formulated to pro...
DISCONTINUED: The Falcon T lock had a reinforcement kit for a 1 3/4" thick hollow metal door that prevents lateral movement of the latch. It is a piece of hard foam shaped like a doughnut...