Nail type for roof truss wooden gusset and screw type query.

26 Apr 2012
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United Kingdom
I'm building a small porch and have calculated the timbers required so that I can build roof trusses for the 2.1m span. I've overkilled on the size of the wooden gussetts but I'm just not too sure what type of nail to use and how many! A very simple basic question but I don't want to weaken the wood any more than I need to. I've read elsewhere that screwing is not recomended as there is a greater chace of splitting the wood is that so?

Thoughts please?

Also while you're there, do I need to use stainless screws on wall plate retaining straps if I'm going to plaster over the top? (to stop the possibility of a zinc coated screw with a slightly bashed head rusting into the plaster work)

Cheers Graham
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