Filling Between Concrete Slabs

While it s not always necessary to seal or fill a joint here are a few things to think about.

Filling between concrete slabs.

There s a wide ugly gap between my concrete outdoor patio slab and the slab my house is built on. Do the same for the gaps between the concrete slabs but stop filling the gaps about 2 inches from the top of the slabs. Buy some redwood or other fine grained lumber like teak that is naturally. This method is aimed squarely at diyers using cheap readily available materials.

There is a space in between them that is 1 5 8 wide 15 long and about 3 deep. I would not fill it with anything that would stop the expansion and contraction of the concrete slab. Need to fill a gap between two concrete slabs i have two concrete slabs in my back yard that are approximately 15 x 15. I m well aware that quicker more expensive compounds are available to pro.

Dale buchanan july 3 2010. The felt that your talking about is an expansion joint filler. Start at one corner of the gap and push the brush through using a scooping. Examine the size of the gap to determine the repair method.

Concrete takes time to cure so keep the patch moist for several days for a stronger fix. For gaps 1 4 inch or less in width caulking alone will be. A sealer is soft and able to accommodate the concrete slab s expansion and contraction. Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure.

Sealers and fillers for concrete joints are not the same thing and have very different purposes. 8 comments on what do i use to fill in the space between slabs in my concrete driveway. Clean the gap of any foreign material using a wire brush. You might find some heavy duty caulking that would stay.