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roof skip sheathing 3

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m1208

m1208

Structural
Joined
Apr 6, 2011
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What is the weight of 1x4 roof skip sheathing spaced at 7" o.c.?
 
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1 x 4 made of what material? And don't just say 'wood', as there is a large range of density in wooden products. Honestly...any 6th grade kid should be able to answer your question.
 
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IT IS REDWOOD FROM EARLY 1900'S.
 
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Engineering Toolbox gives me a density of 28 lbs/ft3 for American Redwood, 32 for European.
 
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So, with that, what are the actual dimensions of a 1X4?

Mike McCann
MMC Engineering

 
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...from the early 1900's. Is it rough, or planed?
 
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If the same planks were used for the Spruce Goose, then they were planed.

Mike McCann
MMC Engineering

 
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....and mostly birch, neither redwood nor spruce.
 
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