Roofing material is that which covers the roof structure and creates the building envelope. 

You will find that the cost to install average asphalt shingle roofing depends upon material and finish grade, surface area, preparation and special requirements, and the labor rate.

In the following table the Labor Cost figure is what the able and prepared DIY persons should expect to save by performing the corresponding tasks.

Replace roofing: of a 2,500 sq.ft. home with 2,900 sq.ft. roof area; remove asphalt shingles and replace with asphalt shingles; include miscellaneous material and waste.

Item Unit Cost Quantity Line Cost
New roofing: install 2,900 sq.ft. of asphalt shingles, 20-year rating; includes one dormer, all ridge and valley metal, boots, flashing, nails, fasteners, felt sheet, and edging. $1.22 per sq.ft. 2,900 $3,541
Upgrade roofing: additional cost to install 40-year material. $0.85 per sq.ft. 2,900 $2,456
Removal:  remove 2,900 sq.ft. of asphalt shingles and felt sheet, strip to roof sheathing. $0.02 per sq.ft. 2,900 $64
Disposal:  transport and non-hazardous dump fees. $45 per CY 20 $900
Fees and Material Cost $2.40 per sq.ft. 2,900 $6,961
+ Labor Cost (remove and dispose) $32 per hour 32 $1,024
+ Labor Cost (roofing) $38 per hour 85 $3,230
Total Cost $3.87 per sq.ft. 2,900 $11,215