If you want to use pine wood for retaining walls use logs or wing splits as the sapwood is on the outside.
Treated pine or hardwood sleepers.
If you want to use sleepers use class 1 hardwood sleepers.
These sleepers do not treat as well and regularly fail in the landscape.
Avoid treated pine sleepers if they are to be in contact with the ground.
Treated pine logs have a shorter estimated lifespan than treated pine sleepers.
Expect them to last about as long as treated hardwood sleepers.
There are different strength levels of treatment usually classified from h1 through to h6 being the most effective and best preserved.
Pine on the other hand from which our softwood sleepers are constructed are less resistant to decay and are henceforth treated with either tanalith green or tanatone brown.
Their advantages are obvious.
Item 507412 model lstgrn8be.
Treated hardwood sleepers are estimated to last between 7 and 10 years.
2 625 in x 3 75 in x 8 ft pressure treated landscape timber.
Increased strength and durability and a much better ability to withstand the elements.
Hr5 highly water and pest resistant treated pine sleepers are estimated to last for up to 20 years.
Hardwoods have a natural protection against pest and fungal breakdown because they are hard and softwoods like pine are easy targets for pests because they are easier to eat.
If you have to cut the treated pine during the build make sure that you re seal the cut area.