Injection epoxy is designed for solid concrete, not concrete block (cinder block), brick or other porous masonry materials. The thinness of the epoxy can be a complicating factor: It's nice for filling small cracks, but if a crack runs all the way through a wall or slab, the epoxy can ...
JOHN: At the end of my driveway, I have a garage. Concrete around it. TOM: Right. JOHN: And where it goes into the garage, whoever did the concrete work before that made the seam right where the door comes down instead of having it out. ...