how to patch cracks in a concrete driveway
Knowing how to patch cracks in a concrete driveway will help us increase the life of concrete driveway.
So we will tech us how to successfully fixing concrete driveway cracks today.
If the cracks in concrete driveway are small,hairline,0.3cm wide or less,they are usually normal shrinkage cracks.suggest patch them by our BC type concrete repair mortar. 2h open to traffic.
Patch small driveway cracks by rinsing out the crack with water and scrubbing it with the steel-bristled scrub brush. Allow to dry.Fill the crack by BC mixed repair mortar (which add 17-18% water).
Force the mortar all the way into the crack. Then smooth out the surface.
Before & After Picture:
If the driveway cracks are wider, 0.5cm or more,these cracks are usually caused by some type of
movement in the concrete, up or dowm. It will need a more advanced product-SC type concrete repair
mortar, 1h open to traffic. this product is ideal because it can perfectly fill cracks, no dry shrinkage cracks in new and
old adhesion area.
Patch large driveway cracks by Joint-cutting, chiseling, removing stones, dirt, grit, dust and crumbled concrete from the area to be patched,wash patch area and fully wetting,prepare SC mixed repair mortar(which add 13-14% water and 50% gravel), then work the mixed repair mortar into the cracked area.make smooth, allow the mortar to dry.
Before & After Picture:
Here is a short video showing SC type repair mortar how to patch concrete driveway crack.
https://youtu.be/tZWDiaS1ijY
Benefit analysis:
Compared with concrete driveway paving asphalt or sealant to repair cracks,
SC type concrete repair method have follow advantages:
1)Perfectly filling cracks,water difficultly to enter.If repaired by other ways,
it still is broken slab,weak strength caused water easy enter into.
2)Nice color,color is same as original concrete driveway.
3)No dry shrinkage cracks in new and old adhesion area.
4)High adhesion strength,original concrete slab won't be broken.
5)Extend concrete driveway pavement service life.
If any where have questions,pls feel free to contact us,we will help you save time and cost.
make the driveway much better.
