Sika postfix is a two component pre proportioned polyurethane resin.
Foam instead of concrete for deck footings.
No hauling cement bags no mixing no messy pouring no waiting for cement footings to dry.
Effectively replaces two 50 lb.
Is this foam replacing concrete.
It s hard to imagine an easier deck footing option than deck footing pads.
Can be used with wood steel and pvc posts.
Editors comments yes you can use the new foam that is available to stabilize support posts.
Has anybody used post setting foam in place of concrete for post footers.
Up from the bottom of the footing.
Check out our deck footing frost map to help you understand how deep your footings will need to be excavated.
Concrete is cheaper and pretty fool proof vs.
Instead of digging footing holes than hauling mixing and pouring hundreds of pounds of concrete you simply use a pad.
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.
How to get a solid frost proof footing.
It is mixed in the bag to produce expanding foam for supporting and backfilling fence mail box gate and signage posts.
We will teach you how to determine the code compliant size of your footings based on the soil type and tributary loads.
When you pour concrete footings hold the cardboard concrete form tube about 12 in.
The idea is simple.
But make sure the post is treated for ground contact and that you follow these principles for footings.
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.
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.
Bags of concrete mix.