Foam Instead Of Concrete For Post

If you re doing it right you wait a long time.

Foam instead of concrete for post.

Sika postfix is a two component pre proportioned polyurethane resin. When i say high density foam i mean a foam that takes a claw hammer to penetrate after it sets up. I replaced termite riddled cedar installed with concrete with pressure treated. Remember the last time you set a fence post.

Editors comments yes you can use the new foam that is available to stabilize support posts. It was worth it to me. The soil was a heavy black clayey soil. But make sure the post is treated for ground contact and that you follow these principles for footings.

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. I think i spent about 500 more doing it this way than concrete. You did the hole level the post pour the concrete then wait.

Concrete is cheaper and pretty fool proof vs. I used 4 braces per post. Once the holes have been set the geolift is injected in between the concrete and the dirt. Holes should be no less than six inches away from the edge of the concrete.

For more information check out this video. It is mixed in the bag to produce expanding foam for supporting and backfilling fence mail box gate and signage posts. You can t dig it out with your hand. The foam can be used in hot or cold weather and does not require mixing with water or.

Lightweight pouch replaces two 50 lb. The first step is to drill holes in the problem concrete. The spade end was perfect for breaking up the existing concrete and then i extracted it with post hole diggers. Is this foam replacing concrete.

Expanding foam is a lightweight waterproof alternative to concrete for homeowners wanting to set fence posts. Bags of post mix. Suitable for all types of posts including wood steel and pvc. 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.