🧱 Sika Postfix: Expand Your Options with Mix-in-The-Bag Foam for Non-Structural Posts Review

One of my favorite products on the planet. I have a small farm and although I have to use concrete for some things I hate working with it. This foam mix has proven time and time again to be suitable for any type of retrofit installation and is much easier to work with. I used this to install my mailbox 4 years ago after my first one (cast in) was destroyed by a snow plow and it's still standing.

Follow temperature instructions and try to roll the bag per instructions to break the inner seal. The seal didn't break no matter how I rolled the bag. I pushed harder and harder to break the seal, knowing that the side seams would eventually split and rip, spraying nasty chemicals all over my desk. I had the product 4 months before opening so I checked the expiration date and they said 1 year. I don't know if I have a defective bag or something but $30 down the drain. In my opinion, Nachbeton…

This is absolutely better than mixing traditional concrete by hand, especially for small jobs like installing a mailbox. But read the instructions carefully; then read again. And again. Because when you hit the breaking point, you won't have TIME to move! Make sure the mixture is right next to where you want to pour it. Less than 10 meters away. Not even 5 meters away. Find out what you're going to rub it on and have it right there. I used the rim of our metal wheelbarrow. (If this doesn't make