The standard calculations contained in ASTM D7158 assume Exposure Category B or C and a building height of 60 ft or less. It all starts with the starter shingles, followed by cutting shingles for staggering slots. Chapter 9 Roof Assemblies. (See code for additional requirements and exceptions). They are pre-screened and licensed. While they do come in a variety of colors, asphalt shingles are not distinctive and typically come in flat, non-dimensional sheet mats with little shape or texture variation. Ground snow loads for Alaska are listed in Table 7.1 of ASCE 7. Asphalt used in shingles is considerably harder than asphalts used in pavement. CalRecycle PublicationsTo download or order publications, and to see a complete publications list, go to theCalRecycle Online Publications Catalog. Section R908.3 (Section R907.3 in 2009) states that roof replacement shall include the removal of existing layers of roof coverings down to the roof deck except where the existing roof assembly includes an ice barrier membrane in which case the existing ice barrier membrane shall be permitted to remain in place and covered with an additional layer of ice barrier membrane. For cold climates and high-snow-load regions. After that, all of the cuts help in shifting the slots by half of a tab, preventing them from lining up with those above and below. If you have a flat roof, it will require the same amount of roofing as the square footage plus about 10% extra for trimming and to have shingles left over for repairs in the future. 1000 Independence Ave. SWWashington DC 20585. All shingles are suitable for sloped roofs beginning at a 3:12 pitch. Organic shingles contain 30 to 36 percent asphalt. 4. See Hurricane Technical Summary by the IBHS Fortified Home program for additional information. The following authors and organizations contributed to the content in this Guide. Guishan District, Condo Rentals. It is time to install the ridge shingles, which you will do by nailing the shingles on both sides of the ridge like before while the asphalt granules are exposed. According to a study performed by the National Association of Home Builders (NAHB) and Bank of America, an asphalt shingle roof will need to be re-roofed 3.75 more times within a 75-year period than a concrete tile roof. Just fill out the short form with a few details about your project, and youll receive competitive estimates from some of the top roofing contractors in your area. Where provided, valley flashings shall be not less than 0.019 inch (0.48 mm) (No. USES: 19 Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. U.S. EPA and CalEPA regulate friable asbestos over 1 percent. After most shingles are manufactured, tabs are cut out to shape the shingles for assembly. Discusses requirements for roof assemblies. Benefits of MATRIX 203 Plastic Roof Cement include: Sealing leaks and openings around flashings, chimneys, vents, skylights, joints in metal edging, gutters, and similar objects. Also discarded are new shingles that did not meet quality standards. Impact-resistant shingles are also available to help protect against damage by windborne debris and hail. R905.2.2 Slope. That means partial pieces, which means cutting that you need to plan. Simply nail the shingle down and then cut the excess material, making sure it is nice and neat before repeating the process on the next row. Roofs are very susceptible to embers in a wind-driven fire. Once you are at the other end, cut away the asphalt nail line from a ridge shingle. (If the starter strip was installed left to right, install the shingles from left to right.) Store Finder; . There are three levels of FORTIFIED Home: FORTIFIED Roof focuses on the roof; FORTIFIED Silver focuses on roof overhangs, opening protection, gable ends, and attached structures; and FORTIFIED Gold focuses on tying all components of the structure together. Report summarizing the requirements for strenghtening and protecting the roof, openings in the house, and creating a continuous load path to strengthen walls and foundation per the IBHS Fortified Homes Hurricane Standard for New Homes. Ground snow loads for sites at elevations above the limits indicated and for all sites labeled "CS" require site-specific case studies and approval from the governing building authority. Install the shingles starting at the bottom and working your way up. It is applied to your roof along with your primary roofing material to provide a solid barrier against moisture and to prevent cracking and leaks. Shingling starts at the lower edge of the roof and progresses to the peak. It can withstand heat damage, UV rays, and degradation while offering an incredible color choice. you can use metal flashing with shingles for this. NAPA The National Asphalt Pavement Association (NAPA) is the only trade association that exclusively represents the interests of the asphalt pavement material producer and paving contractor on the national level. Pro-Grade 167 Extreme Rubberized Flashing Cement. Once that is done, the shingles can be used as your starter course, which is just the bottom row. Try leaning a piece of plywood against the home below where you are working, which will help you protect the siding and windows. See the IBHS Fortified Home high Wind Standards 2015 and the IBHS Fortified Home Hail Supplement. All rights reserved Privacy Policy USES: 19 Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. Video showing how to install starter strips on roofs using self-adhered technology to prevent moisture damage while complying with IBHS Fortified Home specifications. For roof slopes from two units vertical in 12 units horizontal (17% slope) up to four units vertical in 12 units horizontal (33%slope), double underlayment application is required. Use nails, properly driven, instead of staples. The IBHS FORTIFIED HOME standards aredesigned to make homes more resilient and durable; guidance is available for new construction and existing homes in hurricane zones and high-wind zones. Use the same method of nailing as you did for the starter course, following the chalk line for guidance to keep things straight. Cut side of closed valleys shall be set in a minimum 2-in.-wide, -in.- thick strip of flashing cement. Super base can be applied to metal, concrete, masonry and wood. Bend single-tab shingles over the ridge or use special ridge shingles. Select and install asphalt shingles following the same steps followed for new construction roofing. Roof installation and roof replacements are prime opportunities to upgrade shingles and shingle attachments to meet new standards and building codes and to decide if selecting an above-code strategy for an added level of protection is the right choice for the project. Consider re-roofing your home with concrete roof tile over other traditional roofing materials like asphalt singles. Hail/Impact Resistant. An asphalt shingle is a type of wall or roof shingle that uses asphalt for waterproofing. Now it is increasing as an ecofriendly and economically wise method to dispose of and reuse material from old concrete and asphalt-shingled roofs.. Concrete Roof Tile Profiles and Design Tips, Concrete Roof Tile vs. Other Roofing Materials. Asphalt shingle costs for material and installation: Concrete roofing tile costs for material and installation: Asphalt Shingle and Concrete Roof Tile Maintenance, asphalt shingles vs. asphalt roll roofing, Asphalt Roll vs Asphalt Shingles Roofing Guide, What is Asphalt? Old ShinglesThe incidence of asbestos-containing shingles in roof tear-offs today is extremely low. Wood, which sometimes accompanies shingles when the plywood is also replaced in a re-roof job. Fasten shingles at the rakes according to the manufacturers specifications. It is best to cut multiple sizes using the three-tabs to ensure you have everything you need, starting with cutting half of a tab for the first course. It is okay to keep flashing that is in good shape, but the majority of roofers will get rid of it and start anew, especially when it comes to the flashing in the valleys. Shingles are an important part of your home that protects you from the elements, and it is also a job you can do yourself. This roofing guide compares traditional shingles and concrete roofing tiles along with pros and cons for each plus their costs. In wildfire-prone areas, use asphalt shingles that are Class Arated. Section 505.2.1 Roof valleys. Typically, around 20 percent of the product weight is asphalt (by comparison, the asphalt content in asphalt road pavement is typically down around 6 percent). You will also want to take the chance to take care of loose boards and check for damage, replacing any problem sections. Eagle Roofing Products offers the best warranty in the industry. Following is a partial list of manufacturers that sell equipment that can grind asphalt shingles. 7.3, Wrong Incorrect location of fasteners in an roof asphalt shingle, Best Practices for Minimizing Wind and Water Infiltration Damage, Recovery Advisory 2, Locations of Fasteners for Asphalt Shingles in high-wind areas, Right Start asphalt shingle installation with a starter strip set in an 8-inch strip of flashing cement, Right Install asphalt shingles over a starter strip set in an 8-inch strip of flashing cement, Right - Step flashing along a chimney is integrated in a layered manner with asphalt shingle roofing and topped with counterflashing that is embedded into brick mortar joint above, Right - Counterflashing tops a layer of step flashing which comes down above the asphalt shingle and a layer of L-shaped base flashing which comes down and extends below the shingle; the base flashing is adhered to the roof underlayment with mastic, shown. Post-consumer RAS have fewer appealing properties for recycling, primarily because the asphalt cement component in shingles naturally hardens during its service life, resulting in higher stiffness, melting point, and susceptibility to fatigue cracking. Concrete tile is naturally vented to add to your home's energy . See the IBHS Fortified Home Hurricane Standardfor more information on the installation of starter strips at eaves and shingles at roof edges, intersections, and valleys. Roofing cement comes in a caulking tube, ready for application, or in a tub. Note: A 3:12 pitch roof is one that rises 3 inches for every 12 inches it runs toward the peak. If youre ready to discuss roofing costs with professional roofers, we can help. If you are, leave a tab of overhang at the hip to strengthen the joint. Generally, each shingle strip should be installed with six nails in high-wind areas and the location of the fasteners on the shingle is also important for a durable installation (see Figure 2 and Figure 3). Due to the practice of covering a worn out roof with new shingles, there may continue to be a very small amount of asbestos in the shingle waste stream until about 2016. The ground snow load map shown in Figure 2 is based on ASCE 7 (Figure 7-1; see also 2021 IRC Figure R301.2(4)). From there, all you have to do is lay down each course and cut any excess material. How to Install Asphalt Shingles for Existing Roofs. The Building America Field Kit allows you to save items to your profile for review or use on-site. Then, you will install the three-tab shingles, followed by the ridge shingles. Moisture Management in Residential Construction Series - Building Enclosure: Roof Overview, IBHS Fortified Home Drip Edge Installation for Hurricanes, IBHS Fortified Home Peel and Stick Asphalt Shingles, IBHS Fortified Home Single Strip Asphalt Shingles, IBHS Fortified Home Asphalt Shingles Set Directly in Flashing Cement, Technology Solutions Case Study: Field Testing an Unvented Roof with Asphalt Shingles in a Cold Climate, Fortified Home Hail Supplement to the High Wind Standard, Fortified Home Hurricane Technical Summary: New Construction, 2018 IRC - International Residential Code for One and Two Family Dwellings, Fortified Technical Bulletin: Shingle Installation at Roof Edge, Prepare for Wildfire: Hardening Your Home, FEMA P-737, Home Builder's Guide to Construction in Wildfire Zones: Technical Fact Sheet Series, Roof Underlayment for Asphalt Shingle Roofs, FEMA Technical Fact Sheet No. Section 504.2.1 Roof valleys. Fasten starter strips parallel to the eaves along a line above the eave line according to the manufacturers specifications. For roof assemblies where the profile allows a space between the roof covering and roof deck, the space at the eave ends shall be firestopped to preclude entry of flames or embers, or have one layer of cap sheet complying with ASTM D3909 installed over the combustible roof deck. The upper stories must be reached with ladders, and there is more trimming and intricate installation work involved. Twenty to forty years ago, most shingles contained organic mats. Concrete roof tile comes in both high and medium barrel profiles, as well as in a variety of flat styles. Buy materials. Metals, which can be removed by a rotating magnet. Starter strips should be nailed 2 to 3 inches up from the bottom of the eave. The adhesive seal strip bonds to the shingle above it, sealing them together and reducing the chance of wind damage and water infiltration. BLACK JACK All-Weather Roof Cement is a pliable asphalt roof cement that can be used on damp as well as dry surfaces. Additionally, while there are more detailed guides to measuring your roof, you can do it quickly by going section by section. Handymen work relatively cheap, but few have the experience and skill to do the work properly. 2009, 2012, 2015,2018, and2021 International Residential Code (IRC). There are two types of mats: Shingles in the waste stream can be either old or new. After that, all that you have left is the installation of a starter course and the shingles. Siting a shingles recycling plant may require certain State and local permits, such as air, water, zoning, and possibly solid waste. After that, nail each shingle so that the next will go over the nails by around an inch. Measuring the length of a shingle after laying it across the roof will offer perspective that will let you know how they are going to go down. Multiple-story homes with complex roof designs have higher roofing installation costs. Retrofit: 2009, 2012,2015, 2018, and 2021 IWUIC. A recovery advisory guide presenting important recommendations to reduce wind and water infiltration damage to new and existing residential buildings. Inside FORTIFIED: Installing Self-Adhered Starter Strips. You might also be interested in our comparison and roofing cost guide for asphalt shingles vs. asphalt roll roofing. Another way to take care of the starter shingles is simply turning the shingles for the starter course, facing the tabs up instead of removing them. For roof assemblies where the profile allows a space between the roof covering and roof deck, the space at the eave ends shall be firestopped to preclude entry of flames or embers, or have one layer of cap sheet complying with ASTM D3909 installed over the combustible roof deck. 2018 edition of code for residential buildings that creates minimum regulations for one- and two-family dwellings of three stories or less, bringing together all building, plumbing, mechanical, fuel gas, energy and electrical provisions for one- and two-family residences. The base warranty for most asphalt shingles varies by company and product category. When nailing shingles using the method of one at each end and one above each slot, you will come out with four per shingle. Find the resources you need to aid in the specifying process. In addition, the long life of a tile roof reduces the need for reroofing. The rubberizing aspects of the SBS polymers also improve granule adhesion, tear strength, nail pull resistance, and cold flexibility. Mark from edge to edge, creating lines that will be visible above each course, acting as guiding lines. Wood can be removed by hand, or floated off in a water flotation unit. Install shingles and other roofing products that are high-wind rated based on the design wind speed for the location, per the requirements of the IBHS Fortified Home. As you lay down your shingles, you might notice they do not fit perfectly on the roof. Buy asphalt or concrete primer at your local hardware or paint store. U.S. Asphalt Shingle Exports. Asphalt roofing comprises roughly 1.7% of the states disposed waste stream (2018), these quantities may fluctuate with the construction industry, and with natural disasters such as floods and earthquakes. The primer will take around 3 hours to dry when the temperature is 75 F (24 C). (ASTM D225 was also allowed under IRC code version 2009 or 2012, but the standard was withdrawn in 2012 without replacement.).
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