Filling Between Concrete Slabs

Need to fill a gap between two concrete slabs i have two concrete slabs in my back yard that are approximately 15 x 15.

Filling between concrete slabs.

Sealers and fillers for concrete joints are not the same thing and have very different purposes. Clean the gap of any foreign material using a wire brush. Dale buchanan july 3 2010. There s a wide ugly gap between my concrete outdoor patio slab and the slab my house is built on.

I m trying to determine whether to caulk the crack or fill it with some cement based patching. Do the same for the gaps between the concrete slabs but stop filling the gaps about 2 inches from the top of the slabs. A sealer is soft and able to accommodate the concrete slab s expansion and contraction. While it s not always necessary to seal or fill a joint here are a few things to think about.

Buy some redwood or other fine grained lumber like teak that is naturally. Before attempting to fill a hole clear out loose concrete and other debris. 8 comments on what do i use to fill in the space between slabs in my concrete driveway. There is a space in between them that is 1 5 8 wide 15 long and about 3 deep.

How to fill concrete gaps. Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. This method is aimed squarely at diyers using cheap readily available materials. You might find some heavy duty caulking that would stay.

For gaps 1 4 inch or less in width caulking alone will be. Start at one corner of the gap and push the brush through using a scooping. I would not fill it with anything that would stop the expansion and contraction of the concrete slab. The felt that your talking about is an expansion joint filler.