Size of sleeve anchors for lean-to roof

garyo · 7 May 2013

I'm building a small lean-to roof with a rafter length of 2.6M.

My ridge plate is going to be 200x50mm, fixed in to an external brick wall. Are M12 sleeve anchors, 130mm long adequate for this?

Thanks

Gary

catlad · 7 May 2013

I use M10 thunderbolts 100MM so as not to go through the brickwork, drilling slightly downwards.

garyo · 8 May 2013

Cheers - so only 50mm of penetration required in to the brickwork? I'll try to find some 120mm ones to make sure!

Gary

catlad · 8 May 2013

I counter sink them first, so there is another 10mm.

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Size of sleeve anchors for lean-to roof

garyo

catlad

garyo

catlad

DIYnot Local

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