Caulking the cracks and expansion joints on your sidewalks, driveways, concrete porch, and steps is an important. Allowing water to get under the concrete slabs will reduce their life and that would be a cause of their shifting and moving. Caulking the cracks and expansion joints is the best way to prevent and stop this to happen. Home G Group specialize in fixing these issues and improving the visual appearance to your home. Contact us today for a free quote.
1. Before apply the polyurethane caulking, make sure all the cracks and expansion joints are dry, clean and free from debris.
2. If the crack is small, you have to use a CRACK CHASER DIAMOND BLADE open up the crack. This way, the polyurethane caulking can get in to the crack stick tightly and firm.
3. If the cracks or expansion joints are bigger, you can use backer rod foam to prevent sinking the polyurethane caulking until it cure. When inserting the backer rod, you will want to make sure it is installed at least a 1/2" below the surface of the concrete, to give room for the polyurethane caulking to stick.
4. Once the cracks and expansions joints are prepared and ready, you can start applying the caulking.
5. After apply the caulking, use a rounding trowel to smooth out and stick the polyurethane-caulking better to the surfaces.
Besides stopping water from seeping thru the cracks and expansion joints, by caulking them you getting had better view of your building.