Residential Roof Replacement Specifications

Thespecifications also include instructions on removing the old roofing sometimestwo or more earlier roofs and on preparing the surface for the new shingles such as repairing damage to the lath or sheathing boards.

Residential roof replacement specifications.

Standard specification for emulsified refined coal tar driveway sealer ready to use primarily residential grade d6947 d6947m 16. Rock bottom a three tab composite roof for a small home may cost as little as 7 000. Underlayment shall be 15 pound asphalt felt paper. On a small remodeling job the roofing specs might be as simple as.

Below 40 f shingles are brittle and crack easily when hammered or bent. There are three major categories of roofing shingles including strip roofing shingles dimensional roofing shingles and premium roofing shingles. New shingles shall be 30 year architectural shingles with 36 inch wide grace ice and water shield or approved equal at eaves. While the irc is generally considered a prescriptive code many of the roof covering provisions are performance based and mimic those contained in the ibc.

Specifications identify exactly what is to be received from the supplier including the wooden shingles nails flashing and applied coatings. Existing asphalt roof shingles shall be removed and disposed of by contractor. The national average cost to replace a roof is 7 211 with most homeowners spending between 4 707 and 10 460 roof installation cost ranges from 400 to 550 per square depending on the roof size and materials used in reroofing. The new icc 600 standard is the residential design standard for hurricane resistant construction replacing sstd 10 and to reference the astm d7158 standard.

Typical average costs of different roofing options. Above 85 f it is easy to tear the shingles or mar the granular coating. Ideally shingles should be installed at temperatures ranging from 40 f to 85 f. Strip shingles are the most basic of residential roofing products available in the market.

Remove and repair replace all rotted sheathing remove all rotted fascia trim boards remove existing soffit remove cut out old curled shingles and problem areas and replace with filler shingles so that additional layers may lay flat if new roofing is installed over existing roofing follow manuf. D6948 d6948m 03 2017. Dimensional roofing shingles typically are heavier weight than strip. Installation temperature requirements for asphalt shingle roofs.

Nationally a typical roof using architectural asphalt shingles costs between 3 50 and 5 50 per square foot a cost that includes all demolition permit fees waste disposal and cleanup. Expect to spend 1 500 to 3 000 to remove your current roof before installing a replacement. The entire roof covering of every existing structure where more than 50 percent of the total roof area is replaced within any one year period the entire roof covering of every new structure and any roof covering applied in the alteration repair or replacement of the roof of every existing structure shall be a fire retardant roof covering that is at least class a.