My boyfriend will be building his new house this spring, in SE Connecticut.
Problem - large area of ledge where the house is to be built. Since the property is situated between existing homes he does not want to blast. He has drilled numerous holes through the ledge and was told about a compound that once inserted into the ledge, expands - causing the ledge to split.
Queston: Does anyone know what this compound is called and where he can get it.
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