asphalt shingles were damaged half of the time by one-inch diameter ice stones, whereas it took 1.25 in. glass-fiber mat asphalt shingles. Thicker, aged laminated type shingles were damaged by 1.5 in. (3.8 cm) ice stones. Greenfeld (1969) and Koontz (1991) had presented similar results in conducting ice ball impact tests on asphalt shingles.
Application Instructions Updated: 10/14 ... rain from reaching the interior of the building and to prevent sap in some wood decking from reacting with asphalt shingles. When an underlayment is installed, use a breather-type underlayment, such as GAF Shingle-Mate ...
Lay out 30-lb. asphalt roofing felt paper and nail it in place using 1¼-inch galvanized roofing nails. To lay out the design for the shingles, begin at the bottom of the roof and place a tape measure ½ inch from the edge of the roof to ensure the shingles overhang the drip edge.
Apply the first shingle over the starter strip at the chalk line. Drive four nails into each shingle. Refer to the illustration of how to continue laying the shingles. Adding More Shingle Courses. See the manufacturer's instructions for information about where to snap the chalk line for an extra course of shingles and make them until you reach ...
Metal roofing generally costs a bit more per square foot than asphalt shingle alternatives, sometimes by a magnitude of two or three. Metal roofing typically costs between $8 and $16 per square ...
A typical installation of asphalt shingles is illustrated on page 4 for use on roofs 4:12 and greater. However, the code also permits application on a roof that has a slope of less than 4:12 if the low-slope-roofing procedures are used. Fasteners Fasteners for asphalt shingles must be galvanized steel, stainless steel, aluminum or copper ...
Asphalt shingles are designed to be layered. And the layering is designed to shed water. An asphalt shingle roof is designed to be water-resistant -- not waterproof. A shingle roof essentially relies on the slope of the roof to shed the water.
Fasten asphalt shingle strips with a minimum of four roofing nails located according to manufacturer's written instructions. Retain subparagraph below for steep-sloped roofs. Retain option if manufacturer requires more fasteners than in paragraph above.
shingles? Asphalt shingles can only be used on roof slopes of two units vertical in 12 units horizontal (2:12) or greater. 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.
Asphalt shingles shall not be used on roofs with less than a 2:12 pitch and require special application procedures for pitches less than 4:12. Manufacturer's instructions on package must be followed. Underlayment A. For roof pitches of 2:12 to less than 4:12 Two layers of 15# felt applied shingle fashion. Starting with a 19-inch strip and a ...
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 decking as …
Usage Instructions Product Background: Asphalt roofing ages through photo-oxidation and heat from the sun which often drives summer roof surface temperatures above 132°F. The asphalt's melt point increases due to ongoing loss of plasticizers which keep asphalt roofing systems
Begin by removing shingles using a roofing fork/shovel. Use caution so you don't damage windows or siding in the process. Use a hammer to pry up the nails. Remove metal flashing if needed. Sweep the …
Work your way upwards towards the top of the roof to install all the shingle tabs and ensure the surface is covered, and overlaps the ridgeline. You maybe required to trim the shingles to fit the ridgeline. Step 7: Cover with Ridge Cap Shingle. Cover the shingles with a ridge cap shingle from the same brand that are designed to fit the asphalt ...
Asphalt shingles can be laid over cedar shakes or shingles, however, this is a roofing project best left to pros. Beveled wood pieces called "horsefeathers" must be laid along the thick edges of the shakes to make a fairly flat surface. Before you reshingle a roof, read our step-by-step guide for adding new shingles over old ones.
R905.1.1 Underlayment.. Underlayment for asphalt shingles, clay and concrete tile, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles, wood shakes, metal roof panels and photovoltaic shingles shall conform to the applicable standards listed in this chapter. Underlayment materials required to comply with ASTM D226, D1970, D4869 and D6757 shall bear ...
3. Cracked Roof Shingles Repair. 3. Carefully lift the upper shingle and secure the new shingle with roofing nails. If a shingle is simply cracked or torn, you don't have to replace it—just repair it. Start by applying a thick bead of roofing sealant under the crack. Press the shingle down and apply a second bead of sealant on top of the crack.
Experience the total Owens Corning Roofing System and high quality roofing shingles. Let Owens Corning help you determine when it is time for a new roof and then let us help you choose the shingles for your roof that are right for you. We can even help you find a professional to install it. Owens Corning produces high quality asphalt coating, asphalt sealants and adhesives for asphalt shingles
Check the instructions on the shingle wrapper. Some companies make shingles that can be used with either shingling method, but they have two sets of instructions to ensure an even color pattern. If the instructions aren't clear, call the manufacturer to find out if racking shingles is recommended or not.
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).
Asphalt shingles properly selected and installed for high-wind applications are much less likely to be damaged or blown off the roof during a storm. Building codes require asphalt shingles to be rated for the local wind zone. Impact-resistant shingles are also available to help protect against damage by windborne debris and hail.
Installing shingles is a major project, but a knowledgeable do-it-yourselfer can accomplish it with the right tools and safety precautions and by following the manufacturer's instructions. Learn the basics of installing roof shingles and get tips on planning, safety and estimating materials.
(21: 12), asphalt shingles shall be installed in accordance with the manufacturer's printed installation instructions for steep-slope roof applications. 1507.2.7.1 Wind resistance of asphalt shingles. Asphalt shingles shall be classified in accordance with 439
Provided shingles have been installed in strict accordance with CertainTeed's current written installation instructions, CertainTeed warrants to the original property owner/consumer that its asphalt roofing shingles will be free from manufacturing
Secure valley flashing according to shingle manufacturer's instructions. Expose flashing in open portion of valley 125 mm (5 inches) minimum, and lap shingles over flashing 125 mm (5 inches) minimum. ... Install underlayment and asphalt shingles over side slope base flanges of roof accessory flashings.
flashing, shall be applied according to the asphalt shingle manufacturer's printed instructions. Recommendation: If you chose galvanized metal for your flashing, hot-dipped is a better choice. Fasteners Flashing and Drip edge R905.2.6 Attachment Asphalt shingles shall have the minimum number for fasteners required by the manufacturer.
How-to install a new asphalt shingle roof in one weekend. The new generation of asphalt shingles are a vast improvement. In addition to enhancing the appearance of all types of roof, they are easier to install and much more durable. These are laminate asphalt shingles made from a fibreglass mat, thicker and very wind-resistant.
Asphalt shingles are designed to be layered. And the layering is designed to shed water. An asphalt shingle roof is designed to be water-resistant -- not waterproof. A shingle roof essentially relies on the slope of the roof to shed the water.
The manufacturers of asphalt shingles give specific instructions on how to fasten shingles, and they're all pretty much the same. Unfortunately, following those instructions seems to …
The 3-tab asphalt shingle, also called a composition shingle or fiberglass shingle, is the most common type of roofing shingle. Other composition shingles, such as architectural and random cutouts, are installed using most of the same techniques. Check with your roofing dealer to learn about any installation differences.
