If there is ground settlement or frost heaving due to lack of water drainage under slabs, the resulting concrete stresses can cause cracks. Some contractors include high dosage levels of fiber ...

The concrete slab is often placed on a layer of sand for drainage or to act as a cushion. Houses built on a slab lack crawl ...

This Roman drain cover slab was found at Bothwellhaugh Roman Fort, Lanarkshire, Scotland, and was picked by Shauna Joy, second year student at the University of Glasgow (Single Honours Archaeology).