08/13/2019
One thing that I, and I know others, hate to see is a gravestone in concrete. Unfortunately, I see a lot of it. Over the last 11 months, with 4 months off for winter, I have removed over 1 cubic yard of concrete from gravestones. That is more than 4000 pounds of concrete! The most common situation is that someone with good intentions digs a hole, pours it full of wet concrete and inserts a grave marker. They "know" that this will provide support for this gravestone for many years to come, and they may or may not be right.
Rarely does concrete come off without some damage, so a decision has to be made as to what extent you are going to go to to try to remove it. Sometimes you leave it alone and straighten the marker the best you can, sometimes you trim it down so it's less obvious, and sometimes you go all in on removing it.
Many times we benefit from the laziness of the person who placed the stone in concrete because they frequently didn't take the time to clean the stone. This is especially fortunate if it is a smooth Marble tablet, as if you know what you are doing, you can make the concrete release with almost no surface damage to the stone.
The gravestone in this before/after photo was one of these uncleaned ones. The bottom section that fits into the slot in the base was crumbling so someone many years ago poured concrete around it to support it. It looked okay just sitting there, but when I lifted the tablet, it came right out of the base along with the concrete. The concrete wasn't even adhered to the base, only the tablet. After trimming the concrete as closely as possible to the tablet, I carefully chisled the remainder off in large slabs, one from the front and one from the rear.
The crumbling bottom was trimmed off and the tablet was reset into the original base, which was raised and leveled, with proper mortar not concrete.
Concrete can be a very useful and inexpensive alternative to having a natural stone carved. However, you don't just stick a gravestone into wet concrete, you cast a new base from the concrete and mate it to the stone using soft mortar. If someone tells you otherwise, find someone else to work on your gravestone.
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