Home Depot Converting to Ground Contact Lumber

The world's largest home improvement specialty retailer is replacing its stock of above-ground-rated PT lumber.

April 15, 2016

The Home Depot has begun replacing its stock of above-ground-rated pressure treated lumber with material rated for ground-contact use. The conversion comes after revisions by the American Wood Protection Association (AWPA) to its U1 Standard for pressure treated products, which state that some “critical” above-ground framing members, such as those used in deck construction, may need to be constructed using ground-contact-rated material, depending on how difficult they are to maintain, repair, or replace.

“We’re partnering with suppliers to convert certain wood products from ‘above ground contact retentions’ to ‘ground contact retentions’ in a rolling change that began in February and will impact nearly every U.S. store,” said Geoff Case, merchant for decking and pressure treated lumber for The Home Depot, in a release.

While every Home Depot store (except in Hawaii) currently stocks some ground-contact treated lumber, the company is expanding the number of ground- contact products it carries to include all 1-by and 2-by wood products and certain 5/4 decking products. Once the inventory of a particular product has been fully converted to ground-contact retention, the above-ground items will be available via special order. 

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Read New Rules for Pressure-Treated Lumber for more about Revisions to AWPA's U1 Standard.

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