Filling Large Gaps In Concrete

Also check concrete supply centers as backer rod is used to fill gaps in poured concrete walls.

Filling large gaps in concrete.

After a quick investigation we believe that water has entered the gap between the patio and the foundation. 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. Set the rod 1 4 in. The straight line gaps between the slabs has enlarged and some cracks are as wide as 2 inches.

Push the appropriate size backer rod into the gap below flush with the surface. Lower than the surface of. The driveway slopes down from my garage to the street. Fill the crack with urethane caulk similar to what you would use for driveway caulk.

Use foam backer rod into the gap with your fingers. 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. We ve noticed water damage in our sunroom which is bordered on one side by our concrete patio. 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.

Fill larger gaps with foam backer rod sometimes called spline. So filling them should be a maintenance priority. Fill large gaps or cracks in concrete to avoid damage to your slab. My concrete driveway has eight large slabs.

This can be found at well stocked hardware stores but not always at large home improvement centers. Fill and smooth the joint. If we re right then that hopefully accounts for the water damage. All it takes is backer rod and concrete flex sealant.

How to seal and fix a gap between foundation and concrete sidewalk or patio.