Concrete Drive can be cracked up for various reasons. Repeated thawing & freezing, heavy loads, tree shifts & even shifts in the ground can cause damage. When you grasp how to repair cracks in a concrete driveway, you may able to stop them before it leads to bigger problems. Filling cracks in a concrete driveway is quite a simple & relatively reasonable DIY project.
Restoring a broken concrete driveway improves your home’s curb appeal, especially when you are selling. A cracking driveway looks repulsive to the potential buyers. Usually, cracks can be filled & repaired if the rest of the driveways are in good shape & it was placed properly in the first place.
It’s a good idea to wear rubber gloves while handling concrete filters, resurfacers & mixers. Wear safety glasses to protect your eyes. Long pants & long sleeves help to protect your skin when you are using a pressure washer or else cooking with concrete.
How To Repair Crazing In Concrete:
Fine surface cracks or crazing occurs when a concrete driveway drives too fast. Usually, they appear soon after getting poured. These fine surface cracks are cosmetic, not showing a sign of serious structural damage. If the rest of the surface is concrete & the surface is smooth, fix the crazing by putting in the recurring products. This puts a thin layer over the cracks.
Adhering the application instructions on the label. You will need to go thoroughly clean the existing concrete with a high-pressure washer & then spread the resurfacer with a long-handled squeegee. Work on a small area at a time because the product will dry quickly. Permitting the resurfacer to completely dry & cure as directed on the label before using the driveway.
When to repair & when to replace a broken concrete driveway
Hairline cracks under ¼ inch wide may not show serious underlying damage, if water gets into them & repeatedly freezes, expands & vehicles to drive over them, the cracks can get bigger & the problem can get much worse. Usually, these cracks can be disappeared.
Usually, Deep cracks under ¼ inch wide signal more serious problems. While it can be filed, the fix is often temporary. Uneven cracks bigger than an inch wide occurs more often in older driveways than in newer ones & always indicates underlying structural issues. Contemplate calling a professional if you have a lot of jagged cracks or deep cracks. You may remove & replace the driveway to make it smooth or drivable again.
How to fill cracks under ¼ inch wide
You have to wait till the forecast calls for dry weather & the surface of the concrete is 50 degrees Farhenheit before you begin making repairs to your driveway.
- Various concrete crack-fillers, called masonry crack fillers are designed for cracks up to ¼ inch wide. Look for a product with flexible articulation, then it will move with the old concrete & not pull away from it when it thaws & freezes.
- Before you apply for the new filler, break any old concrete patch materials with Mansory chisel or hammer.
- Abolish the broke pieces & debris from the cracks with a slotted or chisel screwdriver. Also, remove the old caulking.
- Pull any grass or weeds growing in the cracks.
- Abolish leaves & debris from the driveway along with leaf blower, broom, or masonry chisel.
- The use of the concrete backer rod is endorsed for cracks wider than ¼ inch since these cracks are usually deep. The backer rod is thrust into the crack to minimize the amount of filter required & make for a uniform repair.
- Let the concrete dry before filling the cracks.
Types of Concrete filter & Mixes
Few masonries crack fillers comes ready to use in pourable tubes or bottles. Few tubes are designed to be used in a masonry caulk gun while others have nozzles that let the filter directly into the cracks.
- If you have a lot of cracks, you may choose to use a dry concrete mix or concrete patching compound instead. For deep or big cracks, use a patching compound or concrete mix that contains gravel.
- Put the mixture in a large bucket & add water as directed in the label. A mixture paddle is attached to a heavy-duty, low RPM drill makes mixing easier.
- Pour the wet mixer into the cracks & use the pointed end of trowel to press it till it’s level with the rest of the driveway. Just use the flat part of the trowel to combine the new material with the existing material. Scratch off any excess so the patch will not be noticeable.
- Let the new concrete dry as shown on the label before you drive or walk on it.
Tips for filling Concrete Cracks in driveways
- Use kneepads to cushion your knees, if you have to genuflect to make a lot of repairs.
- Use the driveway as soon as possible, select a rapid or fast-set cracked filler.
- Few concrete patching compounds will harden in a few hours, but it may take days or weeks for other kinds to dry & cure. Drying & curing depends on the humidity & temperature.
- Concrete-colored & Textured products are available to combine smoothly with existing concrete.
- Few of the crack fillers are self-leveling, which means the filter settles even into the crack. If the filter does not self-level, use a putty knife to outspread it smoothly over the crack & then scrape off excess.
- Contemplate calling a professional to repair jagged cracks over an inch wide, if they are higher on one side than the other due to sinking or heaving. A Section or sections of the driveway may need to be removed & re-poured.
We hope that we’ve cleared all the queries related to how to repair crazing in the concrete driveway. If you are doing this on this own then implement the instructions given above carefully by taking safety measures. If it is a mess then call a professional to repair jagged cracks. For any more queries, drop it in the box given below, we’ll come up instantly with the solutions to help you in getting rid of the problem. See you in our next article.
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