The roof on my garage needs new shingles. Watch for soft areas as you walk on the roof. Please refer to our Legal Notices for U.S.A. or our Legal Notices for Canada. Complete the application of underlayment and valley flashing before the roofing shingles are applied. Roof planes that butt against vertical walls at the end of the shingle course are protected by metal step flashing at least 125 mm high and 125 mm wide (5″ high and 5″ wide). Roof Preparation prior to Installing Roof Shingles. Every 5 inches, make a new mark until you get to the rop of the roof. Learn the basics of installing an asphalt shingle roof, courtesy of IKO. 3. Repeat this on both sides of the roof. Once you’ve hired a contractor, they’ll begin their prep work by measuring the roof to create a materials list and determine order quantities. The last ridge cap piece should be nailed in place and, since this will be the only place on the roof where the nails are directly exposed, the nail heads should be sealed and covered with a suitable asphalt roof cement. Secure the horizontal flange to the roof deck using two nails. In this case, the finish line is the hip and ridge capping. It is called for making specific that you full enough roof prep work task prior to developing roof tiles or else you are taking the day of the protection of your brand-new roof. Great job! Both offer you peace-of-mind protection beneath the shingles. Valleys can either be open or closed – open valleys are not covered with shingles, closed valleys are. building paper, tack or staple it down, and you’re ready to shingle. Before installing any roofing materials, make sure that the roof deck is smooth, properly fastened to the roof trusses, dry and free of any gaps or holes. 2. As shingles are installed on the adjoining roof area, the end of each course of shingles is trimmed (cut) 2″ back of the valley centerline. Ice dam protection at the eaves. Lots of websites and videos go into great detail on how to shingle a roof. Overlap each metal piece by at least 150 mm (6″) and use asphalt plastic cement under each section of overlap. If your eave is one straight length, then pick an end, and work to the other. Proper nail placement is also a requirement for the shingles’ limited warranty coverage. Well, your roof and the home under it need the same kind of protection that an ice and water protector is engineered to provide. Use a roofing nail (1”) to tack the drip edge down, one every 10” When placing two pieces of drip edge together, overlap one end over the other by 1” and secure using two roofing nails, one in the back, and one in the front. Problems may occur if the shingles are given too much exposure or too little or if they’re not offset by the proper dimension in successive courses (rows of shingles). © 2004-2021 IKO Industries Ltd., IKO Industries, Inc., and their affiliated and related entities. Professional Professional Tools & Support, there are many benefits to installing a roof underlayment, flash around plumbing stacks and attic vents, Apply flashing materials in concert with the shingle installation procedure, install a preparatory course of starter shingles. I then used a garden hose to rinse all the debris off. Remember that drip edge we installed at the bottom of the roof? Shingles can be made of many different materials, such as wood, slate, metal, plastic, cement or even asphalt. Upload a Photo of Your Roof and receive an instant, http://www.fairfaxcounty.gov/dpwes/construction/codes_standards.htm. Deck Prep: The first step is the preparation of the roof deck. Overlap your felt by a few inches and completely cover one side of the roof. For instance, when using metal flashing with shingles with a typical 143 mm (5 5/8″) exposure (such as traditional 3-tab shingles), the size of the flashing will be 250 mm x 200 mm (10″ x 8″). The next time you read the package instructions or watch a how-to video on YouTube, you’ll have a much better understanding of why roof shingles are installed the way they are. Obviously the first part of your roof preparation before installing roof shingles is to rip off the hold or damaged shingles that you are replacing. This article from the experts at IKO Roofing will help you make sense of it all by highlighting the basic steps and outlining the fundamental purpose for each roofing system component. If you are missing a few shingles, have a leak, or just can't afford to replace your entire roof, you can repair it by fixing the damaged area only. 9. I woke up at 5:30am during a rainstorm this morning with a roof leak coming through the ceiling in my son's bedroom. Leave 2 to 3 inches of the tab so that you will be able to use them as a way to seal the roof ridge with roof … Now cover the remaining side of the roof with felt and also cover over the roof vent hole you have created. 5. 9. A storm can rip some off the roof, or time can break them down. Deck preparation. Secure the Attic This Project Guide is a combination of those two articles, and it covers replacing the existing roof decking, installing underlayment and ice dam protection, laying the first row, laying shingles in the field, flashing, ridge shingles and vents, and more. Apply the roof cap to any outside corner along the ridge beginning at the bottom of the ridge, and overlapping them toward the top edge of the ridge. Note: If your home is in a region where ice and water protector is not required, start the underlayment installation at the eave, overhanging the drip edge by 1/4″- 3/4″. You need to take some time to further prepare the shingles for the roof ridge by cutting off the tabs on the end of them. You can also read our article describing how to replace shingles. For even more detailed information or if you’d like to watch and learn how the pros do it, check out this library of instructional videos on every aspect of shingle installation and roofing components. 5. Understand the physics of how a sloped shingle roof works. Apply flashing materials in concert with the shingle installation procedure, with both the flashing and the shingles arranged to work together to protect around the joint areas. The hip and ridge caps. To be fully effective, it should extend up the roof to a point at least 24″ inside the vertical extension of the interior side of the wall. These peel-and-stick membranes seal around nails and are easy to work with. Carefully peel away the backing, and put it in place, smoothing out any wrinkles. If you need to make any joints because the length of drip edge is not long enough to fit down the whole length of the eave then simple overlap the two pieces and bend the aluminum into place. 7. Make sure the overlap is correct on the side drip edges. For hips, start at the bottom and work upslope. While it is possible to leave these on if they are showing any signs of damage or wear you should replace them whenever possible. Use the chalk-like to make a straight line vertically every six inches. It literally provides a clean, sharp edge for the start of the roof and protects the lower edge of the roof deck from water damage by preventing water from “defying gravity” and wicking back “up” before it leaves the roof. All rights reserved. Cover any large knot holes with aluminum flashing or a similar material and hammer these down (you may want to use a hammer tacker or nail gun to make this step a little quicker and easier). The shingles in the “field” of the roof. You can use a straight edge to achieve a straight cut. Each flashing should overlap the one below by at least 75 mm (3″), but not be visible below the shingle top lap. This article is not a substitute for proper live training and IKO recommends that only properly trained professional roofing contractors engage in the shingling of roofs. However, when flashing Crowne Slate, with its much larger 10″ exposure, the flashing piece would need to be 10″ x 12″. To mount a roof air vent at this factor you ought to reduce a little component of the roof on either side of the top basically the entire size of the roof. Ken answered his phone when I called at 5:45 and my roof was fixed by noon! All you need to get started is a waterproof membrane, nails or staples, a nail or staple gun, and cedar shingles. Because these membranes work on the principle that their rubberized asphalt coating seals around the shanks of the overlying shingle fasteners, adding an extra degree of water-shedding protection. Nail the shingle in place with four nails so the shingle overlaps the drip cap on the end and bottom of the roof by 1/2 to 3/4 inch. Multiply these numbers to determine the area of the roof. By Mike Guertin Issue 152 There may be several ways to shingle a roof, but when preparing, all the valleys start the same. If the broken piece is lost, cut a new piece to fit the existing shingle. Having a clean, flat deck surface will help ensure that the newly shingled roof will likewise appear smooth and flat when finished. Be sure to use galvanized nails so that they don’t rust in the rain. Ice dam formation is best prevented by having a proper attic vapor barrier, adequate attic insulation and thorough ventilation; however, an ice protection membrane is a wise roofing system component and is likely required by your local building code in cold climates. Installing roof shingles can be an arduous task and should not be attempted if you don’t know what you are doing. Step one in any roofing project is always safety first. Make sure no nails or other objects are protruding out of the roof. Loosely fold the Aluminum rectangles in half and staple them overlapping on the bottom and side edges of the roof. If your roof will have open valleys, which IKO recommends, now is when the valleys should be lined with a pre-formed width of corrosion-resistant metal. While the asphalt shingles will be the primary water-shedding roof layer, there are many benefits to installing a roof underlayment. In a new construction, metal shingle roofing can be installed over any type of solid sheeting such as plywood or wooden planks / boards that do not have spaces in between them. Figure out the best place for them to access the roof. 4. Shingles are the most common product that we put on our roof that is cost-effective. By using this website you accept our use of cookies and the. Start working from the eave, allowing additional pieces to overlap by at least 150 mm (6″). Lay the shingles down so that the bottom edge just overlaps the vertical cutouts. Measure the area of your roof. Because the nails must penetrate the ridge caps and the last course of roof shingles below, you’ll need longer nails to fully penetrate through them to the roof deck. Cedar Breather is one brand, which comes in 39-in.-wide rolls. Instead, individual ridge cap shingles are used to straddle the ridge and shed water down either slope. Next, use 1 ¼ inch nails to secure some metal edging to the perimeter of the roof. Then, cover the entire roof with a layer of insulation, and secure it with a staple gun. Amanda Wynn, a roofer for Rampart Roofing, warns that missing, damaged and loose shingles can expose a home to roof leaks and water damage if not fixed before winter. Secure the roof boards. Cut a 50 mm (2″) triangle off the top corner to direct water into the valley and embed the valley end of each shingle into a 75 mm (3″) band of asphalt plastic cement. Here are the basic steps to shingle a roof. Step Five: Begin to install roof shingles on either roof face. Now that you have a greater insight into the major steps involved in how to shingle a roof, you can more fully understand the nuances of the entire process. Drip edge is installed under the ice and water at the eaves and on top of the ice and water and underlayment on the rakes. A poorly prepared roof can quickly lead to holes and cracks that will in turn to lead to a leaking roof. Use a framing square and a utility knife to cut off each individual tab. The product is tacked in place temporarily along one edge. This will allow the flashing piece to move independently of any differential expansion and contraction that may occur between the roof deck and the wall. Next it’s time for the roof underlayment, which can either be an asphalt-saturated felt or a synthetic roof underlayment. 6. Place it so the tab of the end shingle covers it completely. Once it’s stuck there is no way of removing it. Step Six: Nail down each valley shingle at least two inches (50 mm) back from the chalk line. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. If you are using the same roof boards without replacing them you really should check each and every one to make sure none of them need replacing. IKO manufactures products for specific areas in North America. Before installing any roofing materials, make sure that the roof deck is smooth, properly fastened to the roof trusses, dry and free of any gaps or holes. But, even if you fashion your own on-site by cutting standard shingles to size, both serve critical functions at the roof’s eave. Shingles that must be nailed down will be louder than other kinds of roof materials. The roof had a good amount of moss, I used a stiff broom to scrape the moss off. You may even appreciate why it’s recommended to hire a professional! The information on this website is subject to change without notice. Before you install metal roofing, repair any damage to the wood under the shingles. Use the chalk line to snap a straight line vertically every 6 inches. When adding the drip edge to the top of the roof install in the same way but this must drape over the rest of the drip edge to be effective. Regardless of the asphalt shingle type or style you’ve chosen, the process is basically the same as mentioned earlier – you start at the bottom and overlap as you work your way across and up the roof. IKO recommends that roofing work be done by qualified professionals who know the best way to shingle a roof and have been fully trained in all aspects of roof construction safety. Apply the final cap so that it completely overlaps the upper corner of the roof planes. Closed valleys are completed during shingle installation. On hip roofs, it’s also acceptable to install the ridge caps starting at each end of the ridge, with the last piece installed in the middle of the ridge. Step 4 This list should contain all of the necessary materials including: Panels; Trim (Edging) Screws; Closure Strips/Closures; Venting Material Secure the horizontal flange to the roof. The 250 mm (10″) length is bent in half so that 125 mm (5″) will reach up the wall surface and the other 125 mm (5″) will extend onto the roof deck. Ice and water shield will cost you a fair amount at around $50 per square foot but the job it does is invaluable and a vital step when you are finishing your roof preparation before installing roof shingles. Some professionals snap a chalk line across the roof to ensure that their rows are straight and parallel. Center a 914 mm (36″) width strip of an ice and water protector membrane in the valley. On the side edges, make a small 90 bend for the shingles to hook onto; see the picture. Why an ice and water protector? If you’ve chosen closed valleys, they are completed as shingle courses approach and run through the valley. If you only have a few damaged shingles … But you'll need to match the new shingles with the old ones so the repair won't be too noticeable. The goal is to provide a reasonably flat surface for the new shingles to lie over, with no gaps greater than 1/2 inch. Repair Damaged Shingles. Always remember to use longer nails for ridge cap shingles. Once you have contracted an asphalt roofing company, you need to make the necessary preparations to allow them access to the roof. To install the flashing piece on the first course, place it over the end of the starter strip. When going up the sloped edges of the roof (called the “rakes”) it goes on top of the underlayment. Work from the bottom up. You’ve nailed in the last field shingle and you can see the finish line from here. It is vital to ensure that you complete adequate roof preparation before installing roof shingles otherwise you are risking the integrity of your new roof. At this time, any valleys on the roof should also be flashed with an ice and water membrane. Note: Other step flashing sizes are also acceptable. Professional contractors often recommend and use starter strips along rake edges in order to yield a straight edge from which all the field courses can begin. You can see that this method is very old even since the use of shingles. NOTE: Not all products featured will be available in your area. Support wikiHow by Placing the roof shingles in columns is known as racking. Step 2 - Cut Shingles. However, due to manufacturing variances, the limitations of your monitor resolution and the variation in natural exterior lighting, actual colors may vary from the images you see. They are asphalt and I plan on using asphalt for the new ones. The most common closed valley is a “closed cut” valley, where shingles are installed on the entire roof area on one side of the valley first, with each shingle course extending at least 12″ through the valley centerline. IKO’s RoofGard-Cool Grey Synthetic Roof Underlayment gives your roof secondary layer of protection. Not only are we working from the bottom of the roof, we’re also starting with the bottom-most layer, in terms of roofing components. If a shingle is torn or cracked, glue the broken piece back in place using roofing cement. IKO strives to accurately reproduce the screen images of the shingle swatches and house photos shown. Also, any wind-driven rain blowing on the rake edge would cross the top flange of the drip edge and go on top of the underlayment instead of beneath the underlayment where it could potentially cause a problem. Shingles a roof is pretty straightforward: just line up each section of shingles one after the other, and securing them with nails as you go. An end, and their affiliated and related entities vertical cutouts driveway, need. Allow air to circulate freely under the shingles down so that they ’. Other objects are protruding out of the roof risks and other safety concerns to around... 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