Fast 2K Post Anchor Mix | Expanding Composite Footing Compound (Fence, 1)

I was a bit skeptical after reading the reviews, but this product worked great for my application. I was installing a mailbox post. I used a 4x4 and a hole about 12" wide and about 18" deep (yeah, maybe I should have gone deeper, but being lazy ...). I dug the hole and used the filler per directions. The post was a little further back in the hole than it should have been (so backside got less of the goo). The stuff poured easily after mixing and filled the hole well. There were some air spots near the post itself (will see what happens when things freeze). I had to cut excess around the top, but after it set, everything was really very solid. Overall, impressed with how sturdy the post is. As I say, there were air pockets around the post though, so I am a little wary about what will happen when those fill with water and freeze. Will have to wait another year or two to see how that goes. Overall, impressed. Much easier than a wheelbarrow full of cement mix.

I got this to secure my mailbox post in the ground. The post needed to be dug up and raised recently and I came across this product when looking for some kind of cement to make sure it stays put after this second install.It was very easy to mix up and pour out. We were mesmerized by the process of the liquid becoming the hardened foam type end result. Very cool to watch.After about a half hour, it was pretty firmed up. A bunch had come up higher than we wanted, but we covered it with rocks to hide it. It seems very sturdy after several weeks have passed. Hopefully it holds up through the winter.It was a little hard to remove from skin, so make sure everyone helping is wearing gloves too - they'll thank you later. They do include them in the package which is convenient.Overall, this was an inexpensive and quick way to do the job. I recommend.Update: it has been almost a year and it is still sturdy. No change over the winter at all. Looks like it's going to hold up just fine.

I was skeptical. I put my mailbox with a "drive-in" type post; however, it immediately began wobbling, even after I drove it deeper! The soil is loose and stony, so I wasn't sure anything would hold, cement had already failed. I saw this product and thought, why not give it a chance?Getting the plastic "divider" off was the most difficult part of the process! Nevertheless, I got it off and began mixing. The package began getting hot and expanding. After the prescribed mixing (30 seconds), I moved to the hole where I planned installing the new post and tore off a corner of the package. Surprise! The "foam" began spewing like a volcano! It got everywhere! My hair, arm, and all over the new post before I was able to direct it into the hole. I was able to finally direct the flow where it was supposed to go. I had just enough time to level the post before it began hardening. Within a couple of minutes the post was in and solid. I gave it overnight before shaking the new mailbox post, it is rock solid! I finally have a mailbox that is not wobbly.The "con" to this product is the price! The package says it replaces two bags of cement; however, two bags of cement is less than $10.The bottom line is that the product, although expensive, works. I am installing fence posts soon, but I doubt I'll be able to afford enough of this product for all of the posts.

This stuff is great. I'm giving it 4 stars because it's way too daggum expensive. I remember when it was $11 a bag and I thought that was too pricey.I used it to put up an 8'ft vinyl privavy fence 7 years ago. It has held up very well even with strong winds. It was pricey, but fast 2K allowed me to put that fence up by myself quickly without straining my back with heavy bags of concrete.I love the fact that it was very forgiving. I put one post in the wrong place; iit was so easy to dig it up.TIPS::1. When I dug my holes, instead of making the sides uniform I dug deep notches in the sides of the hole. This way the foam could go into the notches and that helped prevent any kind of movement later on.2. When installing fence post, make yourself a jig or some type of stand to hold your post up right until you pour the fast 2K in the hole Have your post leveler already attached to the post.3. Make sure you pour some mixture all around post.Be prepared to just hold it in place so that you only have to make quick mInor adjustments to level it. Stay calm and stay still for like 9 to 10 seconds. DO NOT MOVE THE POST ONCE THE FOAM STARTS RISING.

Fast 2K Fence Post Mix exceeded my expectations! I was looking for an alternative to traditional concrete that would save me time and effort, and this product delivered. The setup process was incredibly simple—just mix, pour, and let it set. Within minutes, the post was firmly in place, and I didn't have to deal with heavy bags of concrete or long curing times.I also appreciate that it expands to create a strong and stable hold, making it ideal for fence posts and other outdoor projects. Plus, it's lightweight and easy to store, which is a huge bonus.If you're looking for a fast, mess-free way to secure posts without the hassle of concrete, this is the perfect solution. Highly recommended!