Foam Vs Concrete For Fence Posts

Also you do not have to cement every hole i do every other and the corners and gate support posts.

Foam vs concrete for fence posts.

Here i would use a 5 8 minus unsifted with all the powder the comes from the crushing process. 02 02 2016 10 02 am re. Expanding foam by meackerman the fence posts i ve if you go the gravel route the type of gravel makes a difference also. I used 4 braces per post.

Be mindful of how much water you add. The soil was a heavy black clayey soil. If they had tight time constraints and they needed the posts to be set up earlier than concrete would give them. If they were at a site where there wasn t easy access to water.

Its only one bag per fence post so its not a big deal. 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. The advantage for me is i could set a post by myself using a very simple system of temporary braces to hold the posts for 15 minutes until the foam set up. Setting posts in concrete vs.

He said they still preferred concrete with two exceptions. For a fence i think its fine to mix in hole but i find it is far easier to mix in a wheelbarrow. Do not exceed limit written on bag of concrete. Concrete is cheaper and pretty fool proof vs.

He also noted that the foam was a lot more expensive. I replaced termite riddled cedar installed with concrete with pressure treated. So six foot high fence posts ideally need to be buried three feet into the ground. To make a long story short i ended up setting all of the posts in this high density foam in lieu of concrete.

I used one of the heavy steel digging bars with a narrow spade on one end and an enlarged tamper on the other end.