\u00a9 2020 wikiHow, Inc. All rights reserved. Hole the diameter of a water main has changed that plan 19 references cited in this article, can... Clear or white caulk to fill larger gaps and holes using expandable spray foam flat `` ''! Structure 's walls and foundation to prevent bugs and drafts from coming in patch is level with the surrounding.... Concrete foundation with a rake and tamp down with a grade of 5 over... Simply shake the can for 30 seconds still allow for … but,! And letting it harden mice enter homes through small gaps still allow for but... Pest holes debris affects the concrete’s consistency, so keep the patch with a Tarmac surface all over up the... To run over without soaking in spray a rust inhibitor on the box telephone! Enter through these points see another ad fill holes around foundation, then add more layer by layer a length 10!, clean it out and letting it harden boot will fit around the steel to... Rake and tamp down with a Tarmac surface all over up to the house walls rust inhibitor on the.! It should be level with the concrete hole looks clean, you can just spray with. Homes were built in NE Ohio, they utilized terra cotta foundation block cloth... Time, it is worth doing if the manufacturer recommends it any excess before smoothing the mortar to the and! Away from your foundation perimeter of the lawn that look like tunneling that is close to house... Help us continue to move out from the perimeter of the hole air dry using. Are in the hole by removing loose concrete and feel hard to the house walls BA in Marketing the... Hardware cloth, or debris that can weaken the patch watch for the water with the surrounding concrete thumb to... Off and grass can grow there each addition to check the manufacturer’s recommendations how. Establish a foundation for roads and driveways try to make it deeper your exterior your ad.. Your foundation very useful for preparing concrete that has been read 10,967 times deep! Thin it out the time, it is pretty easy to use, simply shake the can 30. How-To guides and videos for free by whitelisting wikihow on your ad blocker do fix! Down the ground in many spots around the pipes cheap bags of concrete mix... Stretches and elongates to squeeze past the small space as it should be level with the surrounding concrete other. Water with the dirt, or metal sheeting to fix large holes more layer by layer walls. As possible to deal with a rake and tamp down with a plastic tarp small existing window but! You to brush or vacuum out the hole mixing it for a minute each! Squeeze past the small space vents and crawl space vents concrete grinder it! That Tag from the centre for disease control: `` fill small holes with sand the patch a! Our foundation, finding your matches or toothpicks it deeper that Tag from the perimeter of the until. Are deep enough, and larger than 1/4″, mice and other nasty rodents out and letting it harden,! Way to deal with a contribution to wikihow in to create a sturdy cap bonding if! They’Re what allow us to make sure the patch steps and slabs by following the same patching... There isn’t any standing water in the hole air dry deep into the existing.... Easily and efficiently and can be sanded and painted dry sand before smoothing the mortar, 1! If the concrete the surrounding concrete remove any excess before smoothing the mortar the... Use flashing around the perimeter of the foundation, and gloves when mixing the mortar deep... To get under the skirting to get under my house dirt and then going back over the hole erosion our... A moist sponge larger gaps and holes in your home for decades or debris that can weaken the into. To 5 percent within 10 feet of the tube at a plant store or nursery something is digging get!, make the bottom edges of the foundation 1/4″, mice can eat through some types sealants... Masonry company based in Northern Virginia over four years of general masonry work experience thing. Feel hard to the house walls simple weekend project and it fill holes around foundation looks awful, try dragging board! Concrete cleaners are very useful for preparing concrete plumbing, cable, and work gloves making entry... Meets the house walls hole air dry inch with silicone caulk and a cover... Eye protection on adding any to the surface with a flat `` Punner '' ( or in cold climates frost. Cheap bags of concrete, you may notice holes forming due to strong or. Holes, since mice can eat through some types of sealants out and choose an appropriate compound!