Filling Large Gaps In Concrete

Fill larger gaps with foam backer rod sometimes called spline.

Filling large gaps in concrete.

Also check concrete supply centers as backer rod is used to fill gaps in poured concrete walls. Use foam backer rod into the gap with your fingers. Caulking concrete cracks install backer rod. So filling them should be a maintenance priority.

Push the appropriate size backer rod into the gap below flush with the surface. The driveway slopes down from my garage to the street. We ve noticed water damage in our sunroom which is bordered on one side by our concrete patio. Fill the crack with urethane caulk similar to what you would use for driveway caulk.

Once you are done filling the crack use a small brush broom or even a block of wood to rub across your patch to help match the consistency of your patch surface with the surface of the original concrete. Fill and smooth the joint. My concrete driveway has eight large slabs. If we re right then that hopefully accounts for the water damage.

The straight line gaps between the slabs has enlarged and some cracks are as wide as 2 inches. Lower than the surface of. Fill large gaps or cracks in concrete to avoid damage to your slab. All it takes is backer rod and concrete flex sealant.

Concrete joints for driveways patios and other additions can be large gaps in your pavement that you need to seal to prevent damage detritus filling them up and potentially future driveway. Gaps in concrete whether they result from cracks in the slab or occur between the slab and an adjacent surface can serve as openings that allow dirt moisture or insects into your home. After a quick investigation we believe that water has entered the gap between the patio and the foundation. How to seal and fix a gap between foundation and concrete sidewalk or patio.

Fill the gap between a concrete patio and house.