Foam Instead Of Concrete For Deck Footings

Is this foam replacing concrete.

Foam instead of concrete for deck footings.

The idea is simple. Check out our deck footing frost map to help you understand how deep your footings will need to be excavated. How to get a solid frost proof footing. But make sure the post is treated for ground contact and that you follow these principles for footings.

Up from the bottom of the footing. Effectively replaces two 50 lb. And this is why the building codes do not specify high density foam as an alternative to concrete as either a footing beneath a column or to backfill the space between the column and the surrounding undisturbed native soils. Concrete is cheaper and pretty fool proof vs.

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. Editors comments yes you can use the new foam that is available to stabilize support posts. Then dump concrete through the tube into the bottom of the hole. Learn everything you need to know about installing concrete footings to support your deck.

Instead of digging footing holes than hauling mixing and pouring hundreds of pounds of concrete you simply use a pad. Bags of concrete mix. When you pour concrete footings hold the cardboard concrete form tube about 12 in. For more information check out this video.

No hauling cement bags no mixing no messy pouring no waiting for cement footings to dry. Do this by nailing the sides of the tube to the center of a tic tac toe grid of 2x4s at the top of the hole. We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads. Has anybody used post setting foam in place of concrete for post footers.

This is not to say alternative products cannot or should not be used in construction. Sika postfix is a two component pre proportioned polyurethane resin.