Sika PostFix is a two-part, pre-proportioned polyurethane resin which when mixed produces an expanding foam. It has been specifically formulated and packaged to provide a lightweight, mix-in-the-bag, fast-setting and high-strength backfill for wooden, PVC and steel in ground supports. Sika? PostFix is based upon Sika's proven foam technology and designed for easy, convenient and quick support of many types of posts.
