The study also found that girls and young women were more likely than boys and young men to have coenzyme Q10 deficiencies. Boys and young men were more likely to have vitamin D deficiency. Patients with chronic migraines were more likely to have coenzyme Q10 and riboflavin deficiencies than patients with episodic migraines, the study found.
ThisOldHouse.com estimates it took two people five hours and six bags ($150-$180) of material to resurface a 9'x27' driveway and a 3'x18' walkway (about 300 square feet). Renting a pressure washer to clean the existing concrete before resurfacing can add $40-$75 to the total DIY costs.
1 Expect to pay a resurfacing contractor $3-$10 a square foot depending on the condition of the existing concrete, the resurfacing system used and local rates. 2  Small residential projects tend to cost more per square foot and may be subject to a minimum charge of $500-$1,000 or more.ging but structurally sound concrete on patios, driveways, walkways, pool decks and basement or garage floors can be topped with a thin (1/16 to an inch or more) overlay of cement or a modified polymer resin blended with cement, sand and other additives.