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Category: kiln drying

Minimum thickness for kiln dried lumber

What is the minimum thickness for 8/4 kiln dried lumber? The NHLA rules are written for the inspection of green/air dried lumber and then there is a section that lists the exceptions for shrinkage after kiln drying in the rules book, page 56. Under the heading of “Standard Kiln Dried Rule” it states the shrinkage allowances for the various dimensions of the lumber including the thickness “Rough kiln dried lumber specified 3/8" to 1-3/4" thick may be 1/16" scant of the nominal thickness; 2"... Read More
Posted by Dana Spessert at Thursday, November 15, 2012 | 0 comments
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