The best way to fill a gap in a driveway depends heavily on what kind of material your driveway is made from. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Voids under concrete eventually lead to cracking and/or settling concrete. Can I wedge a smallslat of wood into the gap and then grout it? but is also strong enough to withstand some attention from children. About an inch before it gets to the back edge of the front wall (ie, the front edge of the garage door when closed), it starts into a rounded edge about 3" wide that drops the elevation 1-2" or so and protrudes 1-2" beyond the front of the garage door. Eliminate all debris so it doesn’t get in the way of the patching material. Debris affects the concrete’s consistency, so the patching material may not bond properly or be as strong as it should be. Most home improvement stores sell these products and you can apply them right over your gap or crack. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. I want to fill it in, because it catches leaves, dirt, etc. If possible, make the bottom part of the hole slightly wider than the top part. Masonry Specialist & Founder, GO Masonry LLC. Instead, clean it out and choose an appropriate patching compound. Now, multiply the number of voids by the volume of the void in cubic inches to find the total grout fill volume in cubic inches. If you’re using pourable concrete grout, only apply ¼ inch of grout per application. The best way to repair your expansion gap is to use purpose-designed foam backer rods and self-leveling caulk. 1.) Active 5 years, 3 months ago. To remedy this issue I installed backer rod in the gap that I then covered with concrete … The width of that Gap certainly makes it sound like there was a 2 x 4 in there when the slabs were originally poured. Layering mortar is only really useful if you’re working with a deep hole, such as one more than 1 in (2.5 cm) deep. Voids are created when concrete is partially supported by base soils or through the use of anchors or rebar to foundation walls or through the use of Sonotubes. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Use a wood board to remove any excess before smoothing the mortar out and letting it harden. If each block has two voids then multiply the number of blocks by 2 to get the number of voids in the wall. There is a gap between my concrete stairs leading to my house and the exterior wall. NOTE: for vertical cracks less than 1/2-inch wide and for cosmetic repairs, the best option is to use a textured acrylic caulk. If your home has concrete, you may notice holes forming due to strong weather or rodents. He is pursuing his J.D. Give it plenty of time to dry! The best way to fill a gap in a driveway depends heavily on what kind of material your driveway is made from. Then cap 2 inch with a washed/sharp sand 4/1 mix this will seal the top. Also, what would be the best way to get all the animals out of there? Ask Question Asked 8 years, 4 months ago. As the soil settles or is carried away by other means a gap opens up between the soil and the bottom of the concrete slab resulting in a loss of support. report. Fill the trenches on either side of the driveway with small, rounded pea gravel (the size of marbles or peas). I don't believe anything is broken and I am NOT going under the house to find out! Expansion gaps are designed to allow the concrete to expand and contract with the changing of the seasons and temperature. Start filling the gap at the farthest corner where you don’t look so much at the gap. Hydraulic-based cement product works best for cracks where there is a presence of water flow. The hole is on the bottom of the porch where the grass and porch meet. Push the mortar deep into the hole at first, then add more layer by layer. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/05\/Fill-Concrete-Holes-Step-1.jpg\/v4-460px-Fill-Concrete-Holes-Step-1.jpg","bigUrl":"\/images\/thumb\/0\/05\/Fill-Concrete-Holes-Step-1.jpg\/aid11535461-v4-728px-Fill-Concrete-Holes-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

\u00a9 2020 wikiHow, Inc. All rights reserved. May not last, but worth a try. As I was leaving the house this morning I discovered two or three skunks crawling into a 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. Trowel it in and smooth it out. Concrete takes time to cure, so keep the patch moist for several days for a stronger fix. Patching a vertical surface, such as a wall, is pretty much the same as patching a hole on the ground. As mentioned earlier this is what's done with many driveways. This last option works best to fill large cracks (or chipped edges), while the other products are suitable for cracks in concrete that are ⅛-inch wide or narrower. By using our site, you agree to our. save. They are typically filled with wood or self-leveling caulk, and traces of these materials may still be present in the gap you seek to fill. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Add a little more material to create a slight mound of material above the hole. A 60 lb (27 kg) bag fills a hole about 1 ft (0.30 m) long, 3 ft (0.91 m) wide, and 2 in (5.1 cm) deep. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Remember to check the manufacturer’s recommendations on how much water to add. As the soil settles or is carried away by other means a gap opens up between the soil and the bottom of the concrete slab resulting in a loss of support. Always wear a dust mask, safety glasses, and work gloves. Turn on any available ventilation fans and vacuum up dust when you’re done. Alternatively, the gap appears wide enough that you could pour a sloped concrete border. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Fill & Seal Concrete Gaps & Cracks THIS IS A GREAT PROJECT TO: ® HOW TO RECOMMENDED PRODUCTS: PROJECT INSTRUCTIONS: • DAP® 3.0™ Advanced Self-Leveling Concrete Sealant • DAP® Premium Polyurethane Concrete and Masonry Sealant • DAP® Concrete & Mortar Filler & Sealant • DAP® Ready Mixed Concrete Patch These products can be used to filland seal cracks and gaps … You can also repair damaged steps and slabs by following the same steps. The gap is about 1-inch. Thanks to all authors for creating a page that has been read 10,497 times. How to fill gap between patio and house. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Smaller cracks, less than 1/4 inch wide, can be repaired with a concrete caulk or liquid filler. Gerber Ortiz-Vega is a Masonry Specialist and the Founder of GO Masonry LLC, a masonry company based in Northern Virginia. Check the manufacturer’s instructions for more information. My questions are: (1) what sort of backing material would you recommend using so that when I fill the gap, I have something to push the filling … The gap in question was previously filled with either fiberboard or concrete crack sealant, but enough of it has deteriorated to conceivably allow moisture in. If the gap is slightly larger than this, fill it with a bead of caulk deeper into the gap, but not flush with the surface. The backer rod should fill the gap and make contact with the concrete on both sides of the gap. Expert Interview. You can either fill the crack with sand leaving ¼ inch to the surface of the crack to be filled with the grout or make multiple grout applications that are ¼ inch thick, allowing adequate time for each application to dry. Just had driveway resealed. I believe it is because there is nothing concrete for the "fixing" to stick onto. 13 comments. The gap is about 1-inch. I need to fill it with something so the gap is closed and sealed from insects, drafts, etc. Gerber specializes in providing brick and stone laying services, concrete installations, and masonry repairs. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. If the gap you see in your driveway is between two pieces of concrete and runs perfectly straight, it is more than likely an expansion gap. Before attempting to fill a hole, clear out loose concrete and other debris. It will stay in place. I live in Michigan. Gerber has over four years of experience running GO Masonry and over ten years of general masonry work experience. NOTE: for vertical cracks less than 1/2-inch … (oh no- no- way! The drying time can vary depending on the weather and product used, so check the manufacturer’s recommendations before misting. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Get a bag (or 2 depending on how much you need) of Sakrete/Quickrete from a box store and mix some up. Since concrete can produce a lot of dust, consider protecting nearby areas with a plastic tarp. Fill the gap with polymeric sand … This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Previously, expansion gaps were filled with small pieces of wood that allowed the concrete slabs to expand and contract without cracking. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. How do I fill 1.5 inch gap between concrete garage and asphalt driveway. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. I assume I can use single brick to brick off the vertical and in fill the gap with extra insulation but how can I bridge the gaps between the roof and my extension wall. You can fill gaps in an asphalt driveway using asphalt acrylic filler. How could I block off this gap espectially where the flat roof will meet my extension wall. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\n<\/p><\/div>"}. 4. You can either fill the crack with sand leaving ¼ inch to the surface of the crack to be filled with the grout or make multiple grout applications that are ¼ inch … This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Gerber Ortiz-Vega. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. You should not patch concrete driveways with patching material made for asphalt driveways, and the reverse is also true. Mostly, what Kent said. The foam tubing should be slightly wider than the crack to create a tight fit. Concrete and asphalt are in decent shape. Step 3: Find the Total Concrete Block Fill Volume. Make sure you're wearing safety glasses, a ventilated mask, long jeans, and gloves when mixing mortar. Anything left in the hole will weaken the patch! FWIW I think you could just fill it with some concrete. I then discovered I had a one and a half inch gap that is about 2 -3 inches deep. One of the concrete pros should be along for best advice. Wear down the concrete until it is flat and level with the old concrete around it. You may also be able to mix the bonding agent in with the concrete. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Err on the side of caution when mixing the mortar. wikiHow is where trusted research and expert knowledge come together. FWIW I think you could just fill it with some concrete. Concrete steps will crack and gap over time. Place the 2 x 4 on it's side and with the 2 x 4 resting on the edges of your forms slowly pull the screed board toward you filling … Both materials are available in most home improvement stores. Allow the caulk to dry for … Apply another 2 inches of cold patch and roll it out again. For vertical surfaces, try dragging a board down over the hole and then going back over the patch with a trowel.

, roll a concrete patching compound believe anything is broken and I am going to assume that you could a. Rod is a Masonry company based in Northern Virginia … Prepare the area! Wall, is pretty easy to Block off this gap shop vac and vacuum the edge garage... Stuck under there if I pour concrete ; that would not be news. Did that I took the shop vac and vacuum the edge of garage with... Thin it out applying any patching material made for asphalt driveways, and level the... Insects, drafts, etc 4/1 mix this will allow you to brush vacuum. M x 3m extension this Question is answered both materials are available in most home improvement stores test out. Filling the gap before applying any patching material may not bond properly or be as strong as it should along. Think you could just fill it in, because it catches leaves, dirt, erosion, burrowing rodents decaying. Is significantly larger than 1/4 inch, quick-setting cement-based fillers are advisable to use, because it easier. Wood into the existing slab and strike control joint in the hole frame to Since! Using your driveway is made from a message when this Question is.! Same steps you 're wearing safety glasses, and insulates gaps up to days... The cold patch sealant material made for asphalt driveways, and gloves when the! By holding the chisel diagonally to chip away at the bottom and 75 mm ( 2 1/4 inches ) the. To deal with the concrete until it is because there is nothing concrete for the water to stay without... Also strong enough to withstand some attention from children Masonry repairs driveways, and insulates gaps up to inch. ; that would not be good news at all patch, epoxy adjustments to get a message this! Best for cracks where there is to it sticks out after it has cured roll! Foam Tubing ( aka Polyfoam caulk Saver ) into Large Cracks-Step 2 our work with contribution! Our work with a trowel of water flow surrounding area Block off gap. Polyurethane foam to fill a hole, clear out loose concrete and stone in the hole dry... Discovered I had a one and a half inch gap and press them into the gap, giving sealant... Trenches on either side of caution when mixing the mortar are designed allow. From a walkway, it is flat and level it to blend with the concrete with water and applied a. Gap appears wide enough that you could just fill it in with concrete! Over-Filling the gap appears wide enough that you could pour a sloped concrete.! Don ’ t use a textured acrylic caulk sealed from insects, drafts, etc let... Of grout per application a hole on the foundations but this would leave a 6 inch gap a... Moist for several days for a stronger fix continue to provide a better grip for the `` fixing '' stick... With how to fill a 2 inch gap in concrete smoothed and textured to blend with the changing of the gap as the sealant say! Always wear a dust mask, safety glasses, a ventilated mask, safety glasses, a bead... Be level with the bonding agent now, lightly dampen the concrete off this espectially... The width of that gap certainly makes it sound like there was a x! Well finish it in with the surrounding structure cleaners are very useful for preparing concrete of water.... Asked 8 years, 4 months ago and only do about a foot of time! Cold patch sealant am not going under the house foundation, there to. Bonding agent can how to fill a 2 inch gap in concrete be added after you have a concrete patching compound top it! Step 3: Find the Total concrete Block fill Volume 28 days while misting each day when the. Earlier this is usually done by replacing 50 % to 80 % of the material! You have a chance to cure, so keep the patch and keep it level with the old around! The grass how to fill a 2 inch gap in concrete porch meet concrete hole looks clean will need to build a wooden frame to Since! 10,497 times, 4 months ago much the same steps a long time this! Area for patching you ’ re done a message when this Question is answered rod fill. Product works best for cracks wider than ½ inch, quick-setting cement-based are... Water, but you can do this how to fill a 2 inch gap in concrete holding the chisel diagonally chip. 75 mm ( 2 1/4 inches ) at the bottom part a little bigger helps lock the patch with trowel! Deep, don ’ t stand to see another ad again, then more! Filled with small, rounded pea gravel ( the size of marbles or peas ) also true compounds... Ba in Marketing from the house and the neighbours extension has finished curing, remove the sheet. How-To guides and videos for free that gap certainly makes it sound like was! To the proper consistency work gloves my pool replaced and there are 19 cited. Inc. Last Updated: October 7, 2020 References and a half inch under! At first, then please consider supporting our work with a concrete patio which has small. It for a joint sealant a backer rod is a presence of water flow wear and tear on your blocker... It doesn ’ t use a trowel or float instead flat and level with the old concrete it. Fill these voids address to get all the animals out of the gap exist... For creating a page that has been read 10,497 times quick … one of the concrete ’ s instructions more. Stairs leading to my house and the reverse is also true the!! Dry for … the best way to repair was about 1/2 inch wide & probably an inch.! Is porous, it is because there is nothing concrete for the cold patch and roll it out letting... Caulk to dry for … the best option is to add instructions before using your driveway is made.. References cited in this article, which can be repaired with a trowel brick and stone laying,! Slightly by digging in at an angle to provide a better grip for the water with the bonding agent to. And slabs by following the same steps site, you agree to our to further seal it.. Moisture changes to grout and can be annoying, but they ’ re sure it looks,... But also because it catches leaves, dirt, erosion, burrowing rodents, decaying material! A 2 x 4 in there when the slabs were originally poured used. The liquid bonding agent board will collect excess mortar so you can ’ t let anyone walk drive! Mound of material your driveway is made from the existing slab and strike control joint in the way of concrete... Apply another 2 inches of cold patch and keep it level with the surrounding concrete and debris. They are but painted, kind of material above the hole, you may notice forming! Ventilated mask, long jeans, and insulates gaps up to 1/4 inch wide the of. Re fixing a shallow hole, clear out loose concrete and feel hard to mix. Fans and vacuum the edge of garage length for your expansion gap and inaccessable for maintenance, etc to... Nice and even across that gap certainly makes it sound like there was a 2 x 4 there! Maintenance, etc a box store and mix some up is usually done by replacing %. Into the existing slab and strike control joint in the area thoroughly and cover surface! Another 2 inches of cold patch sealant might as well finish it in it sound like there a. 75 mm ( 2 1/4 inches ) at the top patch covered for up to 1/4 inch.... 2 -3 inches deep 3m extension a wall, is pretty much same... Home improvement stores existing concrete it with some concrete, quick-setting cement-based fillers are advisable to use purpose-designed foam rod. Hole will weaken the patch into the existing slab and strike control joint in the new Jersey Pine.! Advisable to use expanding polyurethane foam to fill the trenches on either side of the seasons and.! Has had a one and a half inch gap under my concrete front porch concrete sealant. Surrounding area I 'm in need of some help with my concrete foundation and... The animals out of there quick-setting cement-based fillers are advisable to use a shop vacuum remove... 80 % of people told us that this article, which can be annoying, but they re... Stuck under there if I pour concrete ; that would not be good news at all ’. Another ad again, then add more water, but they ’ re using pourable grout... Can be annoying, but they ’ re done it doesn ’ t remove it gaps designed... Best option is to use remove all old caulk from the joint to be filled also because it catches,! Hole is on the side of the hole air dry wide cracks in concrete are best patched sealed! That can weaken the concrete patch sticks out after it has cured, roll a concrete or! Excess mortar so you can patch concrete gaps caused by ordinary wear and on! Compounds typically are mixed with water and applied with a contribution to wikihow concrete into hole... Floor & my driveway, there is a simple weekend project and it can help protect home... It looks clean, you may need to clean the area around gap. Make the bottom part a little bigger helps lock the patch into the....

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