Waterproof protection for joists that prevents rotting of structural timber under exterior floors, such as patios and balconies. The joist guard is a 0.6 mm self-adhesive waterproofing membrane made of elastomeric SBS bitumen and a polyethylene film on the surface. The underface is composed of a silicone film easily detachable. 10 centimeters rolls are ideal for 5 centimeters-wide joists, while 23 centimeters rolls are used on double joists at the perimeter of the structure and to seal the joint between the wall of the house and the patio.
Waterproof protection for joists that prevents rotting of structural timber under exterior floors, such as patios and balconies. The joist guard is a 0.6 mm self-adhesive waterproofing membrane made of elastomeric SBS bitumen and a polyethylene film on the surface. The underface is composed of a silicone film easily detachable. 10 centimeters rolls are ideal for 5 centimeters-wide joists, while 23 centimeters rolls are used on double joists at the perimeter of the structure and to seal the joint between the wall of the house and the patio.
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