1. 3-tab shingles have only 1 shingle tab size and shape. 2. Architectural shingles weigh more than 3-tab shingles. In fact, they weigh around 50 percent more than the asphalt 3-tab shingles. vs: 2. Architectural shingles are composed of one flat layer and do not have a dimensional look to them. Because they are more simple and are made up of less material they weigh less than architectural shingles. 3. Because architectural shingles are thicker than 3-tab shingles they have a longer warranty than most 3-tab shingles. Architectural shingles almost across the board have a minimum 30 year guarantee and are rated to resist higher speeds of wind.
1 Concrete is typically measured by cubic yards (3âx3âx3â). 2  An average cost for a cubic yard of concrete is $75 to $125, depending on how much is needed and local prices. 3  Labor costs to pour and form concrete run somewhere around $3.50 to $7.00 per square foot. Labor costs to pour and form concrete run somewhere around $3.50 to $7.00 per square foot. 2  One homeowner paid $11,000 for a crawl space for a 1,500 square foot home. 3  One customer in Texas received a quote for a 2,500 square foot foundation slab of about $20,000.
Cost per Cubic Yard. For reference, a cubic yard of concrete, which is 27 cubic feet, will pour a 9-by-9-foot slab at a thickness of 4 inches. You would need 46 80-lb. bags of concrete to pour the same slab.