NHLA Blog

Welcome to the insights from NHLA on North American hardwood lumber, grading rules, inspection, and general Association and industry news.

Join the Conversation

Click on the subject line or "Read More" to view the article in full and enter commentary in the box below. All comments are subject to review and approval. Send us your suggestions for articles at blog@nhla.com

All comments are listed from first to last. Please scroll to the end to view the latest.


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
Share |