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The Cornerstone is $5.06 / block, which 1 block is 1 sf.
Manufactured by York Building Products.
See, I never gave a RATS A$@ about block. To me block was block. Some are heavy and some are......heavy.
Then I attended a seminar last winter and the creator of Cornerstone (Vern)was there speaking. And let me tell you, he was VERY VERY interestering to listen to. the guy is super super smart. And very down to earth. His level of knowledge, intelligence and creativity is just unbelievable.
See, he has a large company that builds walls. So he took his field experience and developed a block, which he sells manufacturing rights to.
how are the cornerstone blocks for VERY large structural retaining walls? I checked out there website and they said the 200 series was good for walls over 6 ft but I was wondering if they are OK for 15-20' walls. any experience w/ that?
Very good. 5 bucks a block is where I like to be. The customers I have had this year all like to stay in a certain range. I could care less either but Allan Block and Versa-lok are in the same price range , and now I've learned that cornerstone is in that range as well. DVS where do you get your block ? I am doind a wall in 3 weeks and may try cornerstone.
Cornerstone can be used for ANY height. 50 feet high - No problem. Just engineering needs to be done.
Belgard's materials (celtik. Which we use on almost all our patio jobs) are only good for up to 30-inches. Celtik is for architectural applications.
Never Satisified: Cornerstone is manufactured in Frederick by York Building Products. You can buy it from them and they will deliver. They even have a few blended colors. They can sell you the caps, glue, and grid too.
Cornerstone uses no clips or pins. The cores are hollow and you fill them with 3/4 inch gravel as you build the wall. Cornerstone is also a little lighter in weight due to the hollow cores.