Repair Dropped Concrete Basement Floor
Enlist a couple of helpers and overlay the concrete surface one section at a time.
Repair dropped concrete basement floor. My current house had a dirt floor basement which wasn t levelled off properly before pouring concrete. First you must start by determining the scope of the problem. Temperature changes heavy weights and dropped objects can all damage your concrete floor by causing cracks and holes. Mid century modern home built between 1964 1966 used lightweight concrete as floor covering over 40 years concrete in high traffic areas failed and disintegrated under carpeting.
A simple crack in a concrete slab isn t necessarily a problem. Resurfacing your driveway patio or basement floor with a 1 2 in. A section is an area about 10 x 12 ft. If this kind of repair is not to your liking then a completely level surface can be obtained by placing a concrete topping at least 2 inches thick at the highest point over the whole floor.
Before undertaking any repair of the basement floor it is a good idea to trowel a thin layer of plaster of paris over a number of short lengths of the. How to repair a damaged concrete floor. If they re older houses the basement may have originally had a dirt floor that had concrete poured over it. This resulted in dips flexible spots metallic creaks and moans.
Holes 1 inch or deeper require a concrete mix with coarse crushed stone aggregate which bonds well with existing concrete. Damage caused by heavy objects dropped on the slab before it is cured. You have to prep the edges correctly and use the right materials. A sinking cracked concrete slab can be a symptom of a more serious problem.
Some basement waterproofing projects require an extra measure especially when the basement concrete floor is not sitting on the footer any longer. This could account for the general unevenness. A sinking slab also known as sinking concrete is always worth fixing whether it s located in your basement garage driveway or patio. How to repair a concrete floor.
While concrete is a strong construction material it can still crack. We provide each of our customers with a free no obligation slab repair quote in writing before any work is done. Sometimes a finished slab of concrete has significant imperfections and knowing how to repair the slab is a builder or homeowner s best choice. Concrete overlay fixes the problem.
Shallower holes need a sand mix.