How to fill large gaps in concrete

Then cut a new piece of drywall and fit it in, tape and mud the seam. Even if it was an inch, if you have a good slump (stiff) it will be ok. You can just pound dirt on the outside of the form to fill the gap.

Or lay a strip of wood down. It is just a footing that will be back. I don t know if this will. How do you fix a crack in concrete? How to repair cracks in cement driveways?

Clean the gap of any foreign material using a wire brush. 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.

You will need to clean the area around the gap before applying any patching material or cement. Remove loose concrete and stone in the area around the gap and use a shop vacuum to remove any. This may require a hammer and chisel to break away.

It may be necessary to widen the crack in some places. Once the area has been prepare sweep away all loose concrete. To ensure the area is.

Do the same for the gaps between the concrete slabs , but stop filling the gaps about 2. Begin by wetting the crack with a spray bottle or hose. Spread the patch material into the crack using a pointing trowel, paying attention to fill the crack in layers no thicker than ¼ inch. Vinyl concrete patch material shrinks as it dries so applying it in layers will allow you distribute a more equal distribution that is less likely to crack. Remove all old caulk from the joint to be filled.

Measure the size of the gap that needs to be filled. Here's how to fix them—easily! Instea use a concrete. Concrete surfaces cannot be repaired with concrete. First, use a small hammer and chisel in combination to knock away any.

Spray foam is my first guess. STEP 3: Fix the concrete. What is above you photo. I want you to fill the gap as the sealant instructions say and only do about a foot of the gap.

Be sure to physically separate this from the house and the existing slab and strike control joint in the border every so many feet. Fill the gap with polymeric sand or caulk. This will ensure a water tight seal. Foam backer rods act to fill in space between concrete joints so you don’t need to use a ton of self-leveling sealant.

Push the backer rod down into the joint with your hand. Cut the applicator tip with your scissors (or a utility knife or a steak knife-unless you’re vegetarian). Allow the filler to setup for hours before walking or driving on it.

Alternatively, the gap appears wide enough that you could pour a sloped concrete border. If no footing I would dig down about inches and use a galvanized or heavy plastic mesh to prevent boring animals from digging through, then back fill the hole to a level above the gaps on the stucco tapering the ground away from the house. Plastic landscape paper would also help here. The prior owner sealed the gap between the two with cheap sealer which is starting to wear away.

So I believe my best option is to take a heat gun, remove all the current sealer and then re-seal the gap with something new. Putting a new one in which certainly be the cheapest way to fill the gap, you may have to slightly shave to make it fit.