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Subject:Engineering question, round two
Time:11:22 pm
Would it be better to put the wood piece on the vertical part of the wall above the window rather than on the outcropping?
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misterajc
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Time:2010-08-20 11:43 pm (UTC)
Yes, flat on the wall is better than being pulled down. A wide board is better than a narrow one - I would suggest a 1x6. The curtain rod should be mounted as close as you can manage to the board, and low down on it.

Clean the cement thoroughly before starting - if you can manage it, pressure wash, otherwise scrub thoroughly. If there is any paint, try using a paint remover to get it off.

For the adhesive, take a look at the Liquid Nails web site and see what they recommend for a wood to masonry joint. It might also be an idea to cut the wood into shorter horizontal sections in case the wood shrinks in a different way from the masonry as it ages.
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misterajc
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Time:2010-08-21 12:54 am (UTC)
Better yet if you put the wood on the vertical exactly at the top of the overhang and hang the curtain off the bottom of it. Then you have pure shear stress and the adhesive will be at it's best.
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