Foam Instead Of Concrete For Post

It was worth it to me.

Foam instead of concrete for post.

You can t dig it out with your hand. Editors comments yes you can use the new foam that is available to stabilize support posts. I think i spent about 500 more doing it this way than concrete. Remember the last time you set a fence post.

I used one of the heavy steel digging bars with a narrow spade on one end and an enlarged tamper on the other end. The disadvantage is the cost of the foam is higher than concrete. Has anybody used post setting foam in place of concrete for post footers. Expanding foam is a lightweight waterproof alternative to concrete for homeowners wanting to set fence posts.

Concrete is cheaper and pretty fool proof vs. I replaced termite riddled cedar installed with concrete with pressure treated. Is this foam replacing concrete. For more information check out this video.

Bags of post mix. Sika postfix is a two component pre proportioned polyurethane resin. But make sure the post is treated for ground contact and that you follow these principles for footings. The foam like i said in the post there were possible issues with maybe the weather or the depth of the hole etc but if the whole point is to beat concrete i still say this failed in that respect.

I used 4 braces per post. Once the holes have been set the geolift is injected in between the concrete and the dirt. The soil was a heavy black clayey soil. Holes should be no less than six inches away from the edge of the concrete.

It is mixed in the bag to produce expanding foam for supporting and backfilling fence mail box gate and signage posts. Lightweight pouch replaces two 50 lb. The temporary braces were merely 2 2 lengths 8 feet long of wood with cheap broom hangers screwed into each end and merely set in place by one hand when the post is plum. When i say high density foam i mean a foam that takes a claw hammer to penetrate after it sets up.

The first step is to drill holes in the problem concrete. If you re doing it right you wait a long time. The foam can be used in hot or cold weather and does not require mixing with water or. The foam will fill up the parts of the concrete that are uneven and will raise it to the proper height.