Asphalt Shingle Roof Assembly

A roof deck overlay is installed as part of the roof assembly on the top surface of the roof deck but beneath the roofing materials.

Asphalt shingle roof assembly.

Steep slope roof assembly ventilation continues to be challenged at the code and regulatory level by organizations and individuals who are involved in the energy efficiency industry. Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt. The slope of the roof is measured by the vertical rise of the roof to the horizontal run and is expressed as a fraction. A 4 12 roof slope means the roof rises 4 feet for every 12 feet of horizontal roof span.

Everything points to that trend continuing through 2. The pabco premier product line features distinctive shadowing and random patterns that add dimension to your roof creating a rich look and feel for your home. Decks and walls 3 securing the roof assembly 4 materials 5 deck and wall overlays 6 air and vapour controls 7 insulation 8 eave protection and underlayment 9 field shingles 10 perimeters and walls 11 drainage and penetrations 12 other details 13 metal flashings. Roofing contractor jack viera demonstrates installing three tab asphalt roof shingles.

This article discusses best roofing practices for the installation of asphalt roof shingles including installation temperature shingle sealing methods shingle course offsets asphalt shingle nailing location and specifications low slope and steep slope limits for asphalt shingles and roof flashing at building eaves and around skylights. Asphalt shingles shall only be used on roof slopes of two units vertical in 12 units horizontal 2 12 or greater. The arma asphalt roofing ventilation task force is of the opinion believes steep slope residential attics should be vented to achieve the best performance from the asphalt based roof assembly. To install asphalt shingles start by installing underlayment and new flashing on the roof.

Understand the physics of how a sloped shingle roof works. We are proud to be the exclusive distributor of pabco s range of products. The asphalt roofing manufacturers association arma reports that dimensional asphalt shingles are the most popular asphalt shingle used today. In the dictionary to shingle is.

Fine home building magazine issue 214 reports that dimensional asphalt shingles also known as architectural laminate shingles accounted for nearly three quarters of all asphalt roofing sales in 2010. These products are commonly affixed to steel decks to provide a level surface for the roof membrane or air or vapour control layers or to serve as a thermal barrier between the roof deck and combustible insulation. Welcome to asphalt shingle roofing. Roofstar guarantee standards for asphalt shingle systems 1 general 2 supporting structures.