Is treated wood as strong as regular wood.
Can pressure treated wood contact ground.
Materials do not require an additional exterior coating.
This has the best rating for ground contact and has the longest life expectancy.
Must be used when lumber is less than 6 inches from the ground or has poor ventilation.
Above ground treated lumber can be used in applications that are easily maintained or replaced.
Has twice the level of chemical retention and protection compared to above ground treated wood.
Where i live you can buy different grades of pressure treated wood.
Can you paint pressure treated lumber.
For direct contact or buried in ground they recommend what is called pwf grade preserved wood foundation.
Geoff case home depot s merchant for decking and pressure treated lumber explained.
Below is a brief summary of the awpa s use category system for treated wood.
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.
How doers get more done.
Lumber designated for ground contact can be placed directly on or in the ground.
What is pressure treated lumber.
To ensure you re building with the right lumber check the board s label or stamp for its chemical retention level.
All of the professional deck builders interviewed said that all components used to build a deck should be ground contact pressure treated lumber.
However these materials may be finished to achieve a desired aesthetic appearance.
Ground contact lumber can be used either above ground or in contact with the ground.
Note that in most cases ground contact treated posts can be used in an above ground use application.
Uc3b above ground exposed treated wood materials used in exterior construction that do not come into contact with the ground.