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by babybio
Sun May 10, 2020 12:59 pm
Forum: Roofing Repair and Construction Forum
Topic: Pre Drilling Drive Screws for Corrugated Roofing?
Replies: 3
Views: 2342

Re: Pre Drilling Drive Screws for Corrugated Roofing?

Thanks for the reply. I think I may not have been clear. I meant whether I need to pre drill the wood purlins that the drive screws will go into.

If so what size of hole is suitable for a 5mm nail?

thanks again.
by babybio
Wed May 06, 2020 3:33 pm
Forum: Roofing Repair and Construction Forum
Topic: Pre Drilling Drive Screws for Corrugated Roofing?
Replies: 3
Views: 2342

Pre Drilling Drive Screws for Corrugated Roofing?

I need to replace a section of corrugated bitumen roofing on my garage after the old sheet blew off in a storm.

The sheets are fixed with 'drive screws' with plastic caps. The drive screws are 75mm x 5mm.

Do I need to pre drill holes into the wood or can I just hammer the drive screws in?

thanks
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