5 . When re-roofing determine if existing roofing needs to be removed . Before installing new shakes/slate over existing asphalt shingles, remove any mouldings on fascia board, cut back existing shingles flush with the fascia board at all roof edges and then install an underlayment . 6 .

roof sheathing is less than 3/4 inch thick, the fasteners must penetrate through the sheathing. Fasteners must comply with ASTM F 1667. Staples are not permitted for shingle application unless specifically noted in the manufacturer's installation instructions on the shingle package. Underlayment The code requires that underlayment of one layer ...

Here we include detailed step-by-step instructions for a typical roll roofing installation job using either traditional asphalt roll roofing or SBS roofing. . This article series describes mineral-granule coated asphalt or SBS (rubber-based) roll roofing roofing materials, choices, installations, inspection, defects, roofing repairs, and ...

6 fasteners and 4 spots of asphalt roof cement per shingle. Apply immediately, one 1 inch diameter spot of asphalt roof cement under each shingle tab. Center asphalt roof cement 2 inches up from bottom edge of shingle tab. See Fig. 4B. Asphalt Roof Cement where required must meet ASTM D4586 Type I or II (Asbestos Free).

How to Install Roof: Best Roofing Practices. 2020 Shingle guide: https://&t=2sIf you need help with roofing project commen...

5 . When re-roofing determine if existing roofing needs to be removed . Before installing new shakes/slate over existing asphalt shingles, remove any mouldings on fascia board, cut back existing shingles flush with the fascia board at all roof edges and then install an underlayment . 6 .

1. INSTALLATION INSTRUCTIONS · INSTRUCCIONES DE INSTALACIÓN GENERAL INSTRUCTIONS COVERAGE: 3 bundles (1 bundle of 20 and 2 bundles of 22), when applied according to instructions, will cover 98.4 square feet (9.14 square meters). ROOF SLOPE: GAF shingles must be installed on slopes of 2:12 or greater. ROOF DECK: Use minimum 3/8" (10 mm) plywood or OSB …

shingle for every full shingle as shown below. Asphalt roofing cement should meet ASTM D 4586 Type II. Apply 1" spots of asphalt roofing cement under each corner and at about 12" to 13" in from each edge. Figure 12-5: Use six nails and four spots of asphalt roofing cement on steep slopes.

Nail roof installation – Galvanized oversized clout nails driven flush . Fasten asphalt roofing shingles with wide head galvanised clout nails. The head should be 10mm wide and the shank barbed or ribbed for superior holding strength. This is the ARMA's (Asphalt Roofing Manufacturers Association) recommendation.

Proper installation and maintenance techniques can preserve your asphalt roofing system and improve its performance. ARMA provides installation techniques and recommended practices for both steep slope and low slope asphalt roofing systems. ARMA also recommends that the manufacturer's installation instructions always be followed.

Asphalt shingle installation: 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.

5 . When re-roofing determine if existing roofing needs to be removed . Before installing new shakes/slate over existing asphalt shingles, remove any mouldings on fascia board, cut back existing shingles flush with the fascia board at all roof edges and then install an underlayment . 6 .

2. Understand the physics of how a sloped shingle roof works. Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt. If the roof shingles and all accessory roof components are arranged and overlapped with this in mind, the roof should successfully shed water. In the dictionary, "to shingle…

Measure the length of a shingle as it lies across the roof. This will help determine how the shingles will lay on the roof width. Most asphalt shingles are 3 feet (91.4 centimeters) in length. If your roof's width is not an even multiple of the shingle…

Now it's time to install the roof deck protection. These roof components act as a weather-proofing and protective barrier between your house and the elements, helping keep water and cold temperatures out. Drip edge at the eves. Start by laying roof deck protection, or shingle …