Concrete Q&A “Do I Have to Glue My Retaining Wall Block Caps?”
To glue or not to glue- that is the question: Whether 'tis nobler in the mind to suffer the wrath of a broken arm….
Ok, so that wasn’t part of the famous Shakespearean quote by Hamlet. But think about this: You just spent countless hours working on a new retaining wall, making sure that the retaining wall blocks are level and stacked correctly, the backfill dirt has been compacted properly, and you’re finally ready to finish it off with caps. You decide that you want a shadow effect, meaning you want the caps to overhang by one inch from the top of the wall. But, you make one big mistake- you don’t glue the caps down. So you’re probably thinking, “these caps are heavy- they’re not going anywhere”. Then, your child-or neighbor’s child- starts to “tightrope” walk across the caps. Precariously, the caps dangle, waiting for the incorrect step and “pow!” the cap slips out from under the child’s footing and he falls four feet to the ground.
So the answer is yes- you definitely want to glue your retaining wall caps. Take the extra minute or so and properly adhere the caps with a good masonry adhesive, to the retaining wall block. You’ll save yourself some heartache, medical bills and time in the emergency room!
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