(ÉªmËpÉÉrd) adj. 1. weakened, diminished, or damaged: impaired hearing; to rebuild an impaired bridge. 2. functioning poorly or inadequately: Consumption of alcohol results in an impaired driver. 3. Facetious. deficient or incompetent (prec. by a noun or adverb): VCR-impaired; morally impaired.
According to our concrete slab material estimator, the average minimum cost per square foot of a concrete slab is $1.36 and the maximum is $1.88. By comparison, the price per square foot for a cement slab is $5.50. Just know that even if you do not hire a pro, there are additional costs that come with all concrete slab projects.
Ignoring any maintenance costs, asphalt is generally much cheaper to install than concrete. On average, the cost per square foot for asphalt will run between $2.50 to $4.00. Fluctuations in crude oil prices can cause fluctuations in asphalt prices but the price will remain around this range.oncrete, on the other hand, can run between $4.00 to $6.00 per square foot for basic installation and can cost more depending on different finishes and detail. Itâs not unheard of to have a stained concrete driveway with a smooth finish cost over $15.00 per square foot.