The 2" polystyrene which constitutes permanent insulation formwork, comes in
planks 8 ft. By 8 in., slotted every 8 in. on the long sides to take the tie rods. These
hold the polystyrene planks together, act as spacers between the two polystyrene walls to
insure the alignment of the vertical in-wall bracing. (Bracing is required in walls 4 ft.
or more in height. It replaces conventional exterior 2x4 form bracing-which is an
Tie rods are available in several lengths for different concrete wall thicknesses:
4" to 12" and 16" to 24" in 2" increments. In-wall bracing is
available and sized to fit the appropriate wall thickness.
Special tie rods accommodate corners and wall junctions. Relatively simple techniques
permit corbelling, pilasters curved walls, etc.
70964 Bluewater Highway, Grand Bend, Ontario Canada N0M 1T0
Tel: (519) 238-8893, Fax: (519) 238-8894