Insulated formwork block in polystyrene
PLUS Quad-Lock Building Systems

Quad-Lock panels are 48" [1218mm] long, 12" [305mm] high and are available in different thicknesses and with optional Fastening Strips:

4" PLUS Panels are 4¼" [108mm] thick and have been developed for walls requiring even higher insulation values.

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Other Quad-Lock Building Systems products

Panels

Quad-Deck Floors and Roofs

R-ETRO Insulation System