“Heat treated” refers to lumber that has been specially treated to kill pests and pathogens that may reside in wood. The process involves heating the wood to a core temperature of 56° C (133° F) for at least 30 minutes.Jul 29, 2019
What does HT mean on a 2x4?
Each piece of wood used in the packaging, including braces and struts, must be stamped with "HT" meaning "heat treated," or "KD HT" meaning "kiln-dried and heat treated," to comply with the standard. The stamp "HT" is sometimes referred to as the "wheat stamp."
What does KD-HT mean on lumber?
heat treated
What is KD-HT Prime SPF lumber?
This is a new designation added to some softwood lumber grade stamps since October 1, 2001. According to Kevin Cheung of Western Wood Products Association, “Western lumber mills and others are now producing lumber showing a KD-HT mark, indicating the wood has been kiln dried and heat-treated.
How is heat treated lumber made?
To heat treat lumber, the material is placed in a kiln and is exposed to high heat until the internal temperature of the wood reaches 133˚F for 30 consecutive minutes. Because heat treatment only is only a sterilization process, it does not change wood packaging in the same ways as kiln drying.Jan 12, 2021
What does kd19 HT mean?
heat treated
What does HT mean on lumber?
Heat treated
Can heat treated wood be used outdoors?
Since thermally modified wood does not absorb or hold moisture as it would prior to treatment, species that typically do not perform well in outdoor or wet environments can now be used in a variety of applications, such as decking, siding, or flooring.
Will heat treated wood rot?
Heat treating wood alters the composition and properties of wood, stripping off its ability to decompose even with the exposure to dampness and extreme humidity. Heat treated pallets are resistant to fungi and other microorganisms that would otherwise increase the risks of rotting.Jun 13, 2014
What is HT Pine?
Courtesy Bonnie Plants. “Heat treated” refers to lumber that has been specially treated to kill pests and pathogens that may reside in wood. The process involves heating the wood to a core temperature of 56° C (133° F) for at least 30 minutes.Jul 29, 2019