This incredible expanding and rigid foam sets in 3 minutes, allowing faster fixing of posts (fences, mailbox, birdfeeder etc). One bag of this Sika Post Fix replaces 2 bags of cement. Its fast-setting and high-strength backfill for wooden, PVC and steel in-ground supports. Comes in an easy-to-mix bag. You can find this on Amazon, Rona or Home Depot, or any other major retailers. Here is the full video if you are interested in checking this out: https://www.facebook.com/watch/?v=431195414350502 |

I am getting a lot of questions about how to use this expandable foam product for fence, mailbox and birdfeeder posts, so here is a demo. It’s called Sika PostFix, and I started using it a couple of years ago. It’s a a two-part, pre-proportioned polyurethane resin, good for use with wooden, PVC and steel posts. 👉IMPORTANT: You need to dig the hole to the proper depth, according to the size of your post and frost depths. When you place the post in the hole, it should be straight and level. If th