Roofing Question

What rafter sizes do i need to use on a mono pitch roof which is 7.8m long by 4m span. got to have slate roof.

2 Answers

minimum 6x2 but 7x2 or 8x2 would be better

Answered 2nd Jan 2013

john cullender

Member since 13 Dec 2012

Defintely go toward 7x2.

A recent building control officer recommended this on that sort of span a few weeks ago.
Cheers
Simon.

Answered 28th Jan 2015

Leeds Brickwork & Plastering

Member since 22 Jan 2015

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