Very old pressure treated wood is to be avoided (more than 20 years) as it had copper & arsenic in the treatment. More modern pressure treated is fine. Go as thick as you can because wood will rot. Non rotting materials (brick, plastic) can be useful.
Very old pressure treated wood is to be avoided (more than 20 years) as it had copper & arsenic in the treatment. More modern pressure treated is fine. Go as thick as you can because wood will rot. Non rotting materials (brick, plastic) can be useful.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.