Uploaded March 2021 | Updated September 2026, 2 weeks ago
Treated lumber is a popular building material that plays a key role in the construction of many structures in the Pacific Northwest. Our good friend, Dennis McWhirter of Exterior Wood, is an expert on pressure-treated wood, with nearly three decades of experience in the industry. Throughout this series, Dennis provides answers to some common questions and reminds us why treating lumber is one of the best things we can do to help preserve our greatest renewable resource.
In this video, Dennis explains how the chemicals in treated lumber come to be there, and debunks myths about arsenic in treated lumber.
For the full article on our Dunn Solutions blog, click the link below.
dunnlumber.com/blog/post/is-arsenic-used-in-pressure-treated-lumber-today
Treated lumber is a popular building material that plays a key role in the construction of many structures in the Pacific Northwest. Our good friend, Dennis McWhirter of Exterior Wood, is an expert on pressure-treated wood, with nearly three decades of experience in the industry. Throughout this series, Dennis provides answers to some common questions and reminds us why treating lumber is one of the best things we can do to help preserve our greatest renewable resource.
In this video, Dennis explains how the chemicals in treated lumber come to be there, and debunks myths about arsenic in treated lumber.
For the full article on our Dunn Solutions blog, click the link below.
dunnlumber.com/blog/post/is-arsenic-used-in-pressure-treated-lumber-today
