Reply by 459fitter

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Posted on Home Depot - plywood and insulation

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30 posts in 3059 days

#1 posted 03-30-2010 09:28 PM

I would definitely agree with the ply’s being of a lesser quality.My local HD and Lowes has very seldomly had a decent piece of wood. I think they get a big discount for buying air dried wood instead of quality kiln dried wood. I bought a few pressure treated posts last summer which were so wet inside that my saw blades would steam up after cutting them to length. Not to mention the fact that as soon as the concrete cured for the posts the twisted up and split like no tomorrow. I had one that almost twisted 45 degrees, not so good for a fence! As far as the insulation goes, it might have something to do with the enforcement of the new (2009) IECC (international Energy Conservation Code) code. Many states are following these new standards for new buildings and homes. One of the new standards requires that basement walls be insulated with R-19 batts or R-15 continuous sheets. Above grade walls are now R-30 batts and R-25 continuous sheets. So the demand for R-13 rolls just went down hill fast. I am not absolutely positive on the R-values, but you can check with your local building department to find out their requirements.

-- Andy ---- Missoula, MT

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