[Default] On Tue, 14 Jun 2011 13:47:19 +0100, a certain chimpanzee,
"mark" , randomly hit the keyboard and
wrote:

I think I understand what your saying but working out areas is the tricky
bit for me. I can do the maths but determining the areas of wall and roof
bearing down on to the lintel is where I come unstuck.
Thanks

That's the simple bit. How tall is the wall? Multiply by the width of
the opening. Do the floor joists bear onto this lintel (directly or
indirectly)? If so, take half their length ('cos they're supported at
both ends), and multiply by the width of the opening. Do the rafters
and ceiling joists bear onto this lintel? ...
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Hugo Nebula
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