Post Anchor – Alternative to Concrete | No Water, Fast-Setting Anchor for Fence, Deck, Mailbox Posts | One Bag Kit

It works well. The posts are solid in the ground.

I couldn’t get concrete in Alaska and found that it was easier to use with the same durability. Now it’s a go to choice alternative

Worked great, it got a bit messy. User error.

Seam failed in the package causing chemicals to leak before it could be mixed. The product became unusable and a waste of $25!

AWSOME product I will never use concrete again

Customers should know that the bag mixes quickly. Be ready as the mixture will begin to inflate the bag if your not ready to pour.

So a handyman used it to put in my new mailbox. I purchased it and planned to do it myself but couldn’t remove the old one! So he hadn’t used it before (neither had I). He followed the instructions and poured it and thought it didn’t look like enough and started filling the hole with gravel, too, I guess. Then the stuff really started to expand and he said he has to wipe some of it away. I think it would have been perfect if he had waited a couple minutes, and I’m not sure if the instructions say to wait. Anyway it got a little loose after a day and I filled the edges with cement patch. Bottom line, wait for a couple minutes for it to expand and it’s probably great.

This stuff is amazing. I used it for posts on each side of my blackberry plants. You mix the stuff in the bag a minute and pour it in the hole. It takes a minute but it starts expanding. In 30 to 45 minutes it is super hard. I used it for 4 large post and they are all solid.