Roofing Over Existing Shingles. If conditions are right, new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. But you must take care to install the shingles correctly so they lie flat. And a good job involves installing new flashings rather than relying on the existing ones. Reroof jobs are sometimes done without replacing flashings. However installing new flashingsincluding special drip edge flashings made for reroofingwill ensure a tight seal and a long life. Some roofers install a layer of waterproof shingle underlayment WSU over the existing shingles at the eave end, as would be done for a roof laid on bare sheathing. This provides added protection against ice dams. Asphalt shingles can be laid over cedar shakes or shingles, a job 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. Installing Flashing Under Existing Shingles' title='Installing Flashing Under Existing Shingles' />Roof Removal How To Tear Off Roof Shingles. Overview Savings, planning and timing. Iphone Unlock Toolkit. Dont be intimidated by the toughest part of reroofingthe tear off. In this article, well show you how to remove asphalt shingles quickly, so you can move on to the more rewarding part of the joblaying new shingles. Well also show you how to button up the roof by applying new ice and water barrier and felt paper. How to Install Asphalt Shingles. Installing new shingles yourself can save considerable time and money, and you can follow the same steps they do to achieve the same. Is your roof in disrepair You might be able to lay new shingles over existing shingles and avoid the cost of tearoff. In most cases, installing a steel roof is the doityourselfers dream. Because youre just laying it on top of the old shingles, you dont have to worry about. Before you take on this big chore, get a bid from a contractor to make sure the savings are worth the strain. The cost of professional roof tear off varies widely, depending on where you live, the style of the roof and how many layers of shingles it has. In most situations, you can expect to save at least 1,0. In some situations, youll save 3,0. Louisiana Building Code Step Flashing How Build Shed Free Shed Plans Louisiana Building Code Step Flashing Meal Plan To Build Muscle How To Build Wall Frames. Tesla Solar Panels Shingles Home Built Solar Panel Tesla Solar Panels Shingles Installing Solar Panel On Fish House Solar Panels For Homes Kenya. Before starting the tear off, get a building permit and check local building codes. Keep the time between the tear off and reshingling to a minimum, and wait until clear weather is forecast. Although the underlayment should protect against water infiltration, the felt paper can easily tear or blow loose, making your home vulnerable to rain damage. If youre having a contractor apply the new shingles, coordinate the tear off so the new shingles will be installed right away. If youre tackling everything yourself, work in sections. Rip the old shingles off one area, then reshingle before moving on to the next section. Step 1 Prep for the tear off. Photo 1 Install roof jacks. Hp Photosmart C4450 All-In-One Driver Download'>Hp Photosmart C4450 All-In-One Driver Download. Nail roof jacks to the rafters and then nail on a 21. Photo 2 Wear a safety harness. Use a safety harness system to prevent falls. Wear shoes with soft rubber soles for a good grip and long pants to protect against the skin scraping shingles. Doing a little prep work on the ground will keep nails and other debris out of the grass and flower beds, reduce cleanup time and preserve the landscaping. Place plywood over the air conditioner make sure the power to it is turned off and over doors or windows near the spot where youll be tossing the debris off the roof. Then cover plants, shrubs, grass and other areas around the house with inexpensive tarps to vastly simplify cleanup. Rent a trash container a 2. If possible, have it dropped next to the house so you can easily throw old shingles directly into it from the roof. For safety and better footing, nail the roof jacks below the area you intend to strip first Photo 1. Buy the adjustable type designed to hold a 21. Space the jacks no more than 4 ft. Fasten them with at least three 1. Roof Safety. Working on a roof is dangerous, so take precautions Set roof jacks about 6 each and a 21. Photo 1. Wear a safety harness about 1. Wear soft rubber soled shoes for traction, long pants to protect your legs, work gloves and safety glasses. Step 2 Strip the roof. Photo 3 Start at the peak. Tear off the ridge caps so you can work the fork under the shingles near the peak Photo 4 Work downward. Work from the peak down, tearing off shingles in easy to carry sections. Tear off a section all the way down to the roof jacks before returning to the peak. Start the tear off at the section farthest from the trash container. Standing at the peak, use a garden fork or a specially notched roofing shovel to tear away the ridge caps and the top courses of shingles Photo 3. Forks and roofing shovels are available at roofing and home centers, starting at about 2. Some roofers prefer forks because they dont get caught on nails, making it easier and faster to remove the shingles. Others like the shovels because they pull out more nails with the shingles. Work the fork under the ridge caps, prying them loose. As they come loose, allow them to slide down to the roof jacks. Or, if they dont slide down the roof, carry them to the edge of the roof and throw them into the trash container. Once the ridge caps are gone, slide the fork under the shingles and felt paper and pry the shingles up. Some nails will come up with the shingles. Others wont. Ignore them for now. Remove shingles in a 2 to 3 ft. Photo 4. The shingles will roll up like a ball in front of the fork. Push the shingles down to the roof jacks. Continue tearing off the shingles and underlayment until you reach the roof jacks, then start over at the top of the roof. CAUTION Watch for soft areas as you walk on the roof. The sheathing may be rotted, and you could break through. Step 3 Toss from roof to trash container. Photo 5 Toss directly into trash. Throw old shingles directly into the trash container as they pile up at the roof jacks. Dispose of the shingles before the pile gets too large and they slide off the roof. As the old roofing material piles up at the roof jacks, carry it to the edge of the roof and toss it into the trash container below Photo 5. If you couldnt get the trash container close to the house, throw the shingles onto a tarp on the ground. Make the pile on a flat area away from flowers and shrubs. Shingles are heavy. They usually come off in clumps. If youre peeling off two or more layers of shingles, even a small section will be heavy. You may have to pull the shingles apart to make them light enough to carry. Rolling the shingles and felt paper into a ball will also make them easier to handle. Step 4 Work with care around roof penetrations. Photo 6 Evaluate existing flashing. Pull nails carefully around flashings you plan to reuse. Skylight and chimney flashings are often worth saving if theyre in good condition. Photo 7 Work around step flashing. Pull nails from any step flashing you want to save, bend it up slightly and pull out the shingles from underneath. Slow down and work with care when youre next to chimneys, skylights, dormers or an exterior wall. While its usually best to replace metal flashing, sometimes its better to preserve and reuse difficult to replace types if theyre in good shape. But if you see rust and cracks in the metal, replace it. Metal in that condition wont last as long as your new roof. If youre keeping the old metal flashing, remove nails and bend it upward off the shingles with a pry bar Photo 6. Be careful not to damage the flashing. Once its out of the way, pull any nails and remove any shingles and underlayment that are underneath. Do the same with step flashing flashing thats interwoven with the shingles where the roof abuts a wall Photo 7. Tip Heavily tarred areas usually signal a Band Aid fix for bad flashing underneath. Replace all this flashing. Step 5 Tear off shingles along the edge. Photo 8 Strip the roof edges. Remove the roof jacks and work the shingles loose along the roof edge with a fork. Then pull them off by hand. After stripping the shingles down to the roof jacks, remove the jacks. Work the remaining courses loose with a fork or shovel, but dont pry them completely free or theyll slide off the roof Photo 8. Loosen the shingles all along the eaves. Then pull off the shingles with your hands, carry them across the roof to the trash container location and throw them in. Some roofs have a self adhering ice and water barrier installed along the roof edge. This asphalt membrane usually pulls up with a fork or shovel, although it may require some scraping. If it refuses to come loose, simply leave it and install your new underlayment over it. If you dont have time before dark to clean the roof and apply felt, nail down plastic tarps for the night. Step 6 Trash old valley and vent flashing. Photo 9 Remove valley flashing. Pry up the old flashing in the valleys using a fork.