Independent advice from experienced roofing professionals
Pneumatic Seal Testing of Fasteners

A problem that is often encountered with profiled metal roof sheeting, especially at low roof pitches, is that of water penetration around fasteners. Our equipment is designed to test for air leakage around fasteners and their seals, the theory being that if air can pass through the hole in the sheet and out around the sealing washer, then rainwater can enter by the same route.

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