Block is along for the ride with other related products. Prices are updated monthly by ENR's price reporters who call a single source for each product in 20 U.S. cities. The price represents that paid by a contractor for a specified large order. The national average prices and prices for individual cities can be found in each issue of ENR on the Construction Economics page. ENR's Quarterly Cost Reports analyze these price trends in detail.
Monthly prices appear on the following weekly rotating cycle.
Week one has prices for 21 products covering asphalt, cement, aggregates, concrete, brick, concrete block and mason's lime. Week two has prices for 20 pipe products covering reinforced concrete pipe, corrugated steel pipe, vitrified clay pipe, PE underdrain, PVC sewer and water pipe, ductile iron pipe and copper water tubing. Week three has prices for 18 products covering lumber, plywood, plyform, particle board, gypsum wallboard and insulation. Week four has prices for 16 products covering structural steel, reinforcing bar, steel plate, metal lath, aluminum sheet, stainless steel sheet and plate and H-piles.