Not having enough of these protective substances can cause stones. Changes in the Acidity of the Urine. Changes in the acid balance of the urine can affect stone formation. 1  Uric acid and cystine stones mainly form in acidic urine.
1 For an average sized 1,500 square foot roof, that works out to a total PVC roofing cost of $6,000 to $18,000. 2  While certain types of PVC roofing material can be installed over the existing roof, the old roof may need to be removed and disposed of at an additional cost of $1.00 to $2.00 per square foot. While certain types of PVC roofing material can be installed over the existing roof, the old roof may need to be removed and disposed of at an additional cost of $1.00 to $2.00 per square foot.
Typical costs: 1  The average residential home has anywhere from 120 to 250 feet of rain gutters, depending on the number of stories and the amount of roof line. 2  Expect to pay around $3-$5 a lineal foot to have someone install vinyl (PVC) gutters, or about $360-$600 for 120 feet and $750-$1,250 for 250 feet. Vinyl gutters are a fairly simple do-it-yourself project; material alone run about $50-$100 for 120 feet and $90-$180 for 250 feet.