Another possible cause of a crack can be standing water.
Are cracks in garage floor normal.
The good news is that most cracks in garage floors are common and not an indication of serious structural issues however there are a few that indicate that maintenance is needed or that there may be a structural concern.
See details at frost heaves foundation slab.
Are cracks in garage floor normal.
Analyze the direction of the crack.
Water is a powerful force and if it is allowed to freeze the resulting ice expands and widens any tiny crack it has seeped into accelerating damage to a concrete floor.
Unless there is a structural defect in the floor there is no need to worry about the cracks.
You can fix the cracks easily if you like.
Are cracks in garage floor normal.
It is very normal for the garage floor to have cracks in them.
Frost heaves or expansive soil damage photo above can cause substantial damage to basement crawl space or garage floor slabs in some conditions.
This requires tensile strength provide by rebar placed in a grid in the slab.
Jagged cracks stair step cracks and 45 degree angle cracks generally signify structural movement or settling issues that are occasionally serious but usually harmless.
In general a small number of tight less than 1 8 inch wide stable cracks are considered normal shrinkage cracks.
For example large trees near your garage may have roots that reach under the floor disturbing the cement and causing it to crack.
Outside wall on west side of the house there are 5 horizontal cracks.
It is very normal for the garage floor to have cracks in them.
Each around 1 16 inch wide and 2 to 3 feet long.
You will see cracks in most garage floors.
You can fix the cracks easily if you like.
Advanced settlement cracks are open buckets waiting to collect water.
Hairline cracks need no repair and are not indicative of a larger problem.
Concrete cracks due to inclusions photo above of shale and iron sulfide mineral pyrrhotite cracking see details at pyrrhotite inclusion cracking.
Ultimately severity depends on crack width and if it continues to grow or not.
A little bit of settlement is normal over the years but it can put pressure on garage floors and result in cracks.
Be they straight jagged or spiderweb like fine cracks in the basement floor commonly result from surface shrinkage as.
You will see cracks in most garage floors.
Cold joints look like cracks but are ok.
Unless there is a structural defect in the floor there is no need to worry about the cracks.
Settlement cracks are generally more serious than shrinkage cracks.
