- Brush a concrete bonding agent into the crack or hole. Bonding agent is a liquid that helps concrete stick better.
- Mix the repair mortar in a bucket. Mortar is used to patch cracks in concrete. Look for specialized mortar designed for repairing concrete at the hardware store.
- Scoop the mortar into the crack or hole. Use a trowel or your hands and fill the space with mortar. ...
- Level the surface by scraping a trowel across the mortar lengthwise. Work in whichever direction the crack is longer.
- Make the mortar flush by scraping it horizontally onto the damaged edges. ...
- Scrape the surface once more with the long trowel to even it out. This final pass removes any excess mortar above the surface and smooths it out.
- Cover the mortar while it dries if it's in direct sunlight. High heat causes the mortar to dry too quickly, making it weaker.
- Let the mortar dry for at least 24 hours before walking on it. Mark the area off so no one steps on the mortar by accident.
How to fill large holes in concrete cement floors?
Part 2 Part 2 of 3: Mixing and Spreading Patching Material
- Fill holes with a mortar mix instead of regular concrete. When you shop for store-bought concrete, you will see a variety of different options.
- Brush a bonding agent onto the concrete. A bonding agent is a liquid that helps join new and old concrete.
- Pour the mortar mix into a bucket filled with water. ...
How to easily resurface a concrete floor?
- Cement-based resurfacer
- A 5-liter gallon bucket for mixing the products
- Water for mixing overlay
- A paddle mixer for mixing up the contents of water and cement resurfacer
- Two pairs of hand trowels
- A squeegee for applying the mixture on the floor
- A soft-bristled broom for the finishing touch
- Eye protection
- Gloves
- Gum-boots
How do you repair small holes in concrete?
Tools:
- safety goggles
- cold chisel
- sledgehammer
- stiff broom
- garden hose
- sponge
- sturdy wheelbarrow
- shovel
- stiff paintbrush
- trowel
How do you fill holes in concrete?
- Drill at least four holes through the slab at a point that's centered on the void beneath.
- Connect a hose to a slabjacking pump, then run the hose to the holes leading to the void.
- Mix the fill material in a wheelbarrow, using a spade.
- Fill the pump with the fill material and set it to a pressure of 10 psi.
How do you fill holes in concrete floor?
How to fill a Large Hole with ConcreteStep 1: Use a hammer and a cold chisel to level the bottom of the hole. ... Step 2: Brush on a concrete bonding liquid. ... Step 3: While the bonding agent is still tacky, mix the concrete. ... Step 4: Level the patch.
What is best to patch holes in concrete?
The patches leave no trace: DIYers can tool them to blend in with the rest of the surface.BEST OVERALL: Red Devil 0644 Pre-Mixed Concrete Patch.RUNNER-UP: Damtite 04072 Concrete Super Patch Repair.BEST BANG FOR THE BUCK: Quikrete #862013 5.5 Oz Concrete Repair.BEST FOR FLOORS: Henry, W.W. Co.More items...•
Can you fill holes in concrete with concrete?
Before attempting to fill a hole, clear out loose concrete and other debris. Then, mix the mortar, fill in the hole, and level it to blend it in with the surrounding structure. Concrete takes time to cure, so keep the patch moist for several days for a stronger fix.
How do I repair a hole in my concrete garage floor?
0:004:37Patching Cement Garage Floor - YouTubeYouTubeStart of suggested clipEnd of suggested clipYour compound in we're using sack pretty quick quick setting Cement patcher. Some gloves for yourMoreYour compound in we're using sack pretty quick quick setting Cement patcher. Some gloves for your hands you need something to mix it in in this case I'm using a little plastic trowel.
How do you fill holes with quikrete?
Project Instructions Add about 6 inches of QUIKRETE All-Purpose Gravel into the bottom of the hole. Then compact and level the gravel using a post or 2x4. Set the post into the hole and attach 2x4 braces to adjacent sides of the post. Use a level to position the post perfectly vertical.
What is epoxy concrete repair?
Epoxy Concrete Repair is a specially designed repair product suitable for most concrete and masonry surfaces. It is caulk gun applied and can sculpt to match the contour of the existing surface.
Can I use mortar to fill a hole?
Mortar is a necessary filling component to adhere some home-building components together, such as bricks; but it can also be used to patch holes and cracks in basements and foundations, hold a patio together or secure fence posts and mailboxes.
How do you fill a 2 inch gap in concrete?
1:2911:17How To Seal A Gap Between Concrete Slabs - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow if i have any large holes where voids are starting to form underneath the concrete. I doMoreNow if i have any large holes where voids are starting to form underneath the concrete. I do recommend some sand for that and filling those voids in before you seal off the top with the tremco.
How long does it take for concrete to dry?
Quick-drying patching material usually takes about 4 to 6 hours to solidify. After it has become hard to the touch, lift up the plastic sheet. Use a spray bottle or a hose to lightly dampen the concrete with lukewarm water. Adding the water causes the concrete to continue curing, making the patch even stronger.
How long does it take to patch a hole in a wall?
Wait for any standing water to completely evaporate before attempting to patch the hole. This may take 30 minutes to an hour, depending on the weather and how much water is left.
How to get rid of dust from concrete?
If you’re working indoors, ventilate the area as much as possible to deal with the dust. Open nearby doors and windows. Turn on any available ventilation fans and vacuum up dust when you’re done. Since concrete can produce a lot of dust, consider protecting nearby areas with a plastic tarp.
Who is the founder of Go Masonry?
This article was co-authored by Gerber Ortiz-Vega. Gerber Ortiz-Vega is a Masonry Specialist and the Founder of GO Masonry LLC, a masonry company based in Northern Virginia. Gerber specializes in providing brick and stone laying services, concrete installations, and masonry repairs. Gerber has over four years of experience running GO Masonry and over ten years of general masonry work experience. He earned a BA in Marketing from the University of Mary Washington in 2017. This article has been viewed 30,383 times.
Can you put bonding agent in concrete?
Note that the bonding agent can often be added after you have poured the concrete into the hole. Check the manufacturer’s instructions for more information. You may also be able to mix the bonding agent in with the concrete. This is usually done by replacing 50% to 80% of the water with the bonding agent.
How to fill a Large Hole with Concrete
Holes 1 inch or deeper require a concrete mix with coarse, crushed-stone aggregate, which bonds well with existing concrete. Shallower holes need a sand mix. Whichever type you use (they're both available at home centers), follow these steps.
Step 1: Use a hammer and a cold chisel to level the bottom of the hole
1. Use a hammer and a cold chisel to level the bottom of the hole and undercut its sides slightly so the patch can't pop loose.
Step 4: Level the patch
4. To burnish the surface very smooth, use a steel trowel (shown) on the final few passes
Why do you need to smooth cement before laying tile?
Smooth your cement subfloor before laying tile to ensure that the tile has a flat, even bed on which to rest. Dips and cracks in the subfloor can cause tile to tilt, settle or crack. Filling minor holes in the cement can be time-consuming, but it saves you time and money later by improving the quality of your tile installation.
How to make a concrete patch?
To fill holes deeper then 1/4 inch, apply at least two layers of the cement patch. To make sure the patch sets properly, cover it with plastic sheeting for about five days. Once a day, wet the patch with a small amount of water to make sure the cement doesn't dry out the compound.
How to prevent cement from drying out?
Dust and sand can prevent the filling compound from setting properly and bonding to the original cement, so vacuum the floor thoroughly. Then, wet the inside and top of the holes with a mop or sponge. Cement is absorbent, and it will suck the moisture out of the filling compound if it isn't already wet itself, causing the compound to dry out ...
How to repair a hole in cement?
To repair larger holes in cement, undercut the area before cleaning and filling it. Chisel the bottom of the hole until it is flat, and enlarge it slightly so the bottom of the hole is wider than the top. This creates a lip of the original cement over the hole, so when you press in the filler, the original cement holds it in place.
How to fill holes in cement?
To fill holes deeper then 1/4 inch, apply at least two layers of the cement patch. To make sure the patch sets properly, cover it with plastic sheeting for about five days. Once a day, wet the patch with a small amount of water to make sure the cement doesn't dry out the compound.
Can you fill a hole in concrete?
Filling. You can fill small holes most easily using a premixed concrete patch. Some products require you to add water, while others only need to be stirred; follow the manufacturer's instructions to determine how to use the compound you choose.
What is the best concrete resurfacer?
Best Concrete Resurfacer You Can Buy 1 Ideal for indoor/outdoor use to repair concrete cracks and holes in concrete 2 Two-part, industrial-strength epoxy permanently bonds concrete without shrinking or cracking 3 Fast curing product contains no unpleasant orders and allows concrete to be painted or coated in 8 hours 4 Creates an extremely hard surface that is stronger than concrete 5 Universal product works with any concrete coating
Why is my concrete putting in my garage?
Occurs due to a wide variety of reasons; like natural aging, improper finishing techniques, inadequate mixing or bad use of an accelerator. Pitting can cover large areas on your garage floor.
How to smooth out a sand patch?
Smooth it out using a putty knife or a trowel. In 24 hours your repair should be hard enough for grinding or sand flushing. When it’s trowelled in, you can use a cement float to smoothen the mix, and feather it to the surface. There’s a cool industry trick to use Windex in spraying the float.
What causes concrete to crumble?
Water deposits on the garage floor and makes its way into the concrete’s capillaries. The water freezes and subsequently expands into its surroundings, causing the surface to weaken, separate, and finally crumble. Spalling.
What is concrete spalling?
Concrete Spalling. Makes the floor’s surface crumble completely, or separate in several thin layers. Occurs usually because of cold climates, which subjects the concrete to something called a freeze-thaw cycle. Is more localized than concrete pitting. For concrete spalling, the damage occurs on a microscopic level.
Can you repair a pitted concrete garage floor?
It’s because the idea of repairing it on your own seems intimidating. The truth is, repairing your garage floor isn’t very difficult, and you only need some guidance ...
Can you use fox spalling on concrete?
It can be used on anything concrete, so you can make use of it for pool decks, sidewalks, or even your entire patio! The instructions say one coat is enough to fox your spalling, but we recommend two coats to give your weathered concrete a new look. Overall, hard as nails and sticks like glue.