Concrete garage floor settlement will typically happen over time if placed on top of poor or non compacted base preparation.
How to repair floor in waffle slab garage.
A settling or shifting foundation can cause foundation issues in the garage.
Garage foundation problems are very common.
Whether you are dealing with a faulty first time installation or a surface damaged over time garage floors can suffer from pitted surfaces that mar an.
Your garage should have a natural pitch to it so that it can drain water when it is carried in by the car or elements.
A waffle slab or two way joist slab is a concrete slab made of reinforced concrete with concrete ribs running in two directions on its underside.
Erosion and other factors contribute to the garage floor degradation and settlement of concrete s solid base which is supporting it.
You should examine your garage regularly for signs of foundation failure such as cracks sloped floors sticking doors and gaps and spaces between walls and the floor.
It is a below grade parking garage built 50 years ago.
Waffle slabs are preferred for spans greater than 40 feet 12 m as they are much stronger than flat slabs flat slabs with drop panels two way slabs one way slabs and.
Temperature shifts put stress on your concrete garage floor especially in northern climates.
A garage floor replacement may be needed simply due to its age.
The corrosive deicing chemical got to the top and bottom bars in the waffle slab and they corroded most likely failure to replace the membrane waterproofing system after it had exceeded its expected life but also possibly was used for some years before the membrane was installed the expansive corrosion products.
If need be you can add another layer of this product after 45 minutes.
Age or a poor flooring installation can lead to a garage floor replacement or repair.
When to replace your garage floor.
The name waffle comes from the grid pattern created by the reinforcing ribs.
You may be tempted to try a repair for the concrete of your garage floor possibly even a diy fix using a coating such as epoxy.
Causes of garage foundation problems.
Garage floor surfaces should provide approximately 20 25 years of use.
So try to get all the low spots and leave the true floor alone.
However if you find that the floor has seriously cracked or crumbled the cracks are likely to reoccur even after being patched up.
How to repair a pitted garage floor.