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 |

This self-expanding foam is quicker than concrete at stabilizing fence posts. (It's pretty satisfying to watch.) Try it out: chdr.tv/amazof15d | cheddar news