Residential Roof Replacement Specifications

Existing asphalt roof shingles shall be removed and disposed of by contractor.

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. Specifications identify exactly what is to be received from the supplier including the wooden shingles nails flashing and applied coatings. Standard specification for liquid applied moisture cured polyurethane coating used in spray polyurethane foam roofing system. Expect to spend 1 500 to 3 000 to remove your current roof before installing a replacement.

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. New shingles shall be 30 year architectural shingles with 36 inch wide grace ice and water shield or approved equal at eaves. Ideally shingles should be installed at temperatures ranging from 40 f to 85 f. 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.

Below 40 f shingles are brittle and crack easily when hammered or bent. Certainteed manufactures strip shingles under the product names ct 20 xt 25 and xt 30. D6948 d6948m 03 2017. 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.

Rock bottom a three tab composite roof for a small home may cost as little as 7 000. On a small remodeling job the roofing specs might be as simple as. Above 85 f it is easy to tear the shingles or mar the granular coating. Underlayment shall be 15 pound asphalt felt paper.

They are single layered roofing shingles that are generally designed to look like slate. Standard specification for emulsified refined coal tar driveway sealer ready to use primarily residential grade d6947 d6947m 16. There are three major categories of roofing shingles including strip roofing shingles dimensional roofing shingles and premium roofing shingles. Typical average costs of different roofing options.

Installation temperature requirements for asphalt shingle roofs. Dimensional roofing shingles typically are heavier weight than strip. 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.