Jack's Home Improvement ? Blog Archive ? Perfect Concrete Floor

16 Jul

Author: Jack ?| ?Category: Flooring

The majority concrete floors and cement slabs crack by reason of poor compacting of the subgrade. Most concrete contractors make time and effort to do this. But if you ever get one of those other guys it wouldn?t hurt to guarantee, compacting the subgrade is one of your concerns at the time you shop for a cement contractor. Your subgrade should be compacted in around six inch lifts. For every six inches of dirt thrown inside an area the contractor should compact it all.

If your house is being built in a wet or swampy area you ought to put a little extra cash into any preparation. Have your cement contractor run some perforated tile within cement floor through the footings. These will encounter drainage pits filled with pea gravel. Then cover the subgrade to your concrete floor with four inches of pea little. This will keep the pressure of the pool from pushing its way through the den floor. Having too much water is in your cement mix give cracking in your floor. Concrete should be poured by using a consistent slump. This is the consistency within the concrete off the end of the chute. You ought to have the concrete a little stiff however, workable. What you don?t want to see is the concrete taken from the chute looking like soup. The more water during the mix, the more the concrete will dissove and crack. Cement slabs can shrink nearly a half inch in one hundred feet when the excess water evaporates from the poured slab. Excess water will greatly reduce the strength within the concrete.

Your concrete will also crack whenever it dries to fast. As your cement floor dries, spray a light mist of water the top so it won?t dry rapidly. Another thing you can try to prevent rapid drying is cover the cement slab up with plastic or simply a light tarp. If the basement floor is being poured with the floor already installed, it will dry without any problems. Have your contractor put control joints in your own concrete floor as its being finished or cut in though it is still green. All concrete contractors retained a floor get a crack here or simply there. Sometimes cracks are unpreventable, that?s so why control joints are so important. The control joint creates a stress relief during the cement and prevents the floor finish with cracking.

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