Ground contact lumber

Protects against termites, rot and fungal decay. Must be used when lumber is less than from the. Mendocino Forest Products in. Construction Common Redwood Lumber (4-Pack) (20) See Lower Price in Cart. Suitable for burial or contact with the ground and freshwater immersion, Severe Weather ground contact treated lumber provides lasting support and protection for any exterior wood project.

Typical uses include deck framing, fence posts, garden boxes, landscaping and freshwater docks. Simply by reading the end tag on each piece of lumber , the end user will be able to determine if a product is approved for use in above ground or ground contact applications. What does ground contact mean? Treated Boards, Planks and More. This lumber is pressure treated for above ground contact (AG) applications.

This the first treated wood process to be certified under the Scientific Certification Systems Environmentally Preferable Product (EPP) Program. Our treated decking and porch flooring allows you to create the perfect outdoor living space, and our treated dimensional lumber is treated to a minimum of ground contact use, making it ideal for framing and construction. Using a pump garden sprayer, spray one coat onto dry lumber. Allow the sealer to soak completely into the lumber grain, and allow two hours between coats.

Apply the second coat of sealer to the lumber with a roller or brush. Composite plastic lumber. The wood is placed in a depressurized holding tank that removes the air and replaces it with a preservative. This process is the best way to avoid harmful rot and insects but does not prevent weathering and corrosion. ACpressure-treated wood is not recommended for saltwater immersion.

Pro deck builders seem to have a good handle on the differences between above- ground (AWPA UC3B) and ground - contact (AWPA UC4A) pressure-treated lumber. But general contractors and DIYers? Currently, lumber rated for ground contact is typically used for posts and grade beams, while lumber rated for above- ground use is used in the rest of the structure. Under the revised standar however, ground contact lumber may be needed for some components located above ground.

And not just a little bit above ground. Thoroughly coat the lumber with water sealer made for wood. Shop Decking Boards and Supplies! Save More With The Home Depot. Recycled plastic lumber.

For information on choosing the right treated wood for your building project, visit. Koppers Performance Chemicals. Ground Contact Lumber. Whether for residential or commercial applications, treated lumber is a common choice for contractors, do-it-yourselfers, and homeowners.

Pressure treated wood is a practical choice for outdoor building. Not so much, according to a recent report from Spectrum Consulting. Some companies use 1percent recycled ingredients, making them a competitive environmentally conscious choice.

UC4B – Wood and wood based materials used in contact with the ground either in severe environments, such as horticultural sites, in climates with a high potential for deterioration, in critically important components. Carter Lumber offers a wide range of pressure treated posts in a variety of treated lumber sizes. For an instant free quote, click here! This will stop the moisture transfer from the ground to the lumber , which could be the most common reason for wood rotting that has ground contact.

The wood should still be treated against fungal attack (pressure treated is good). You can isolate pressure-treated wood by lining the inside of a bed with heavy plastic to prevent leaching of chemicals from the wood into the soil. Top your bed with boards of untreated lumber to make a flat top to sit on and to avoid contact with the woo particularly if you have CCA-treated wood in your garden.

When the proper grade is use pressure-treated lumber can last more than years.