Sika® Post Fix is a two-part, pre-proportioned polyurethane expanding foam that has been specifically formulated to provide a lightweight, mix-in-the-bag, fast-setting solution. This high-strength backfill can be used for wooden, PVC and steel in-ground supports. It replaces two 50-lb. bags of concrete and sets in as fast as three minutes. There’s no water needed, which means no dust and no mess for your project!
800-933-7452 or usa.sika.com/retail