If your concrete garage floor is suffering from pits ... Once you've removed the stains, apply cleaner to the whole slab with ...
Concrete slabs typically experience shrinkage of 1/8 inch for slab sections 20 feet long. If joint spacing is 10 feet, then each joint would open 1/16 inch wide.
Building a concrete block garage can be a dream DIY ... but it highly depends on the size of the entire slab. Proper preparation is important in any project, but a quality base is essential ...