Once the initial curing is complete seal the gap around the base of the fence post.
Cement wooden fence posts.
Setting the post 1.
Place the form tube into the hole.
Mix fast setting concrete in a wheelbarrow.
The diameter of your post hole should be three times the diameter of your post.
Pour the dry mix into the tube.
Inspect your posts at least once a year ideally in spring or fall and reapply paint or stain as necessary to protect the wood and keep your fence looking its best.
So six foot high fence posts ideally need to be buried three feet into the ground.
Apply high quality exterior acrylic caulk or silicone specifically designed to adhere to concrete at the base of the post.
Pour the concrete into the hole until it s 2 3 in.
The general rule of thumb when setting a post is that the depth of the post s hole needs to be 1 3 to 1 2 of the actual above ground height of the post.
Two 50 pound bags of fast setting concrete will set a 4 inch by 4 inch or a 4 inch diameter post in a 10 inch diameter hole.
Purchase a quick setting concrete from your local hardware store.
This gap will widen with natural expansion and frost allowing water to pool here and cause rot.
Put the post in the center of your hole.
Seal it with a sealant that bonds to concrete and wood such as some silicone sealants or exterior acrylic latex caulk.
Set the post into the form and temporarily stand straight.
Caulk around the fence post base.
Seal the gap between post and concrete.