Sliding Washers
Sliding Washers
Sliding washers are used where the sheet and the fastener are separated by a material with a low friction coefficient, such as Teflon, enabling them to move independently in elongated holes. N.B. The seal should be made between the roof cladding and the washer by placing the sliding face (Teflon) upwards and the sealing face down onto the cladding.
Where an oversized or elongated hole is used, the sealing washer must be wide enough to seal the hole.
Clause Number:
A
#+sliding-washers
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