Treated Post In Concrete

Pressure treated wood posts or galvanized steel posts.

Treated post in concrete.

Make sure the post is plumb before allowing the concrete to set. You can use concrete if desired but the moisture in the concrete can sometimes cause wooden posts to rot more quickly while the gravel allows water to drain quickly away from the fence post and. Product costs availability and item numbers may vary online or by market. Apply high quality exterior acrylic latex caulk or silicone specifically designed to adhere to concrete at the base of the post.

The concrete creates a collar around the post and because different materials expand and contract with mosture and temperature at different rates inevitably a little space develops around the post. Set the post into the form and temporarily stand straight. We think a better way is to set the posts in brackets planted into the concrete. Make sure that the treated side of the post is facing downward.

Diy pole barns offers post rot protection. Place the form tube into the hole. Position the post in the exact center of the hole so it will be surrounded by an even layer of cement on all sides. The photo on the right shows a post that has concrete poured around it which can lead to a crack like you see here.

The wood won t be in contact with the ground but moisture is absorbed by the concrete and pulled up into the wood. The concrete at the top should be sloped away from the post to grade level to avoid water pooling around the base. This will seal the gap between the concrete and post that s caused by freeze thaw cycles. When concrete is poured around a deck post in this way the post will rot due to moisture buildup by the soil.

If you have a friend or family member nearby ask them to help you with this step. Concrete tends to absorb moisture and wood expands when it gets wet. The photo on the left shows a post set in a bracket that has been mounted to the top of a footer. Over time rotting will occur.