Filling Between Concrete Slabs

Sealers and fillers for concrete joints are not the same thing and have very different purposes.

Filling between concrete slabs.

Clean the gap of any foreign material using a wire brush. There s a wide ugly gap between my concrete outdoor patio slab and the slab my house is built on. Dale buchanan july 3 2010. 8 comments on what do i use to fill in the space between slabs in my concrete driveway.

Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. I m well aware that quicker more expensive compounds are available to pro. Start at one corner of the gap and push the brush through using a scooping. The felt that your talking about is an expansion joint filler.

How to fill concrete gaps. You might find some heavy duty caulking that would stay. While it s not always necessary to seal or fill a joint here are a few things to think about. This method is aimed squarely at diyers using cheap readily available materials.

Examine the size of the gap to determine the repair method. There is a space in between them that is 1 5 8 wide 15 long and about 3 deep. Need to fill a gap between two concrete slabs i have two concrete slabs in my back yard that are approximately 15 x 15. Concrete takes time to cure so keep the patch moist for several days for a stronger fix.

Before attempting to fill a hole clear out loose concrete and other debris. I would not fill it with anything that would stop the expansion and contraction of the concrete slab. For gaps 1 4 inch or less in width caulking alone will be. I m trying to determine whether to caulk the crack or fill it with some cement based patching.