How to shingle over an existing roof

WebJul 15, 2024 · Start by nailing down a row of start shingles on the bottom edge of the roof. Lay more shingles on the sides of the roof, so that they overlap the start shingles. The first row of shingles should overhang the … WebBut before we get started, one thing must be clear: adding new roofing over old (sometimes called a "re-roof") is possible only with asphalt shingles (also called "composition shingles"). You can't do it with wood or slate, for example, and you should never mix materials, such as laying asphalt shingles over cedar shakes.

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WebStep 3: Tie-in the Shingles. Now it is time to use a cut valley in order to tie the new shingles in with the old roofing system. After framing and sheathing the new addition’s roof, snap a line over the existing roof shingles. You want to be about two inches above the very center of the valley itself. WebMar 25, 2010 · If there's a history of leaks or insect infestation, it's probably best to remove even a single shingle layer. This will allow your contractor to check whether rot, mold, or insects has damaged... razor edge harrisonburg https://cocosoft-tech.com

Metal Roofing Installation (DIY) Family Handyman

WebBecause Pete needed to replace the cedar shakes on the exterior, he opted to strip the roof to the sheathing, then build a new roof over the old one. The area between the roofs was filled with closed-cell foam to provide an insulating value of R-45, and snow now slides off the new steel roof instead of building up and leading to ice dams. WebThe cost of putting a metal roof over an existing shingle roof will depend on the type of material you choose to use, but typically ranges from $4-$7 per square foot. This price includes the materials and installation. The cost of a metal roof over shingles is more expensive than simply replacing the shingles. WebApr 13, 2024 · Using your chalk and tape measure, mark about 1 foot up on the roof for the first set of shingles. Every 5 inches, make a new mark until you get to the top of the roof. … razor edge gator mix

How to Shingle a Roof - Bob Vila

Category:Roofing Over An Existing Roof - What To Know - Fortified …

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How to shingle over an existing roof

Can You Put New Shingles On Top of Old Ones?

WebNov 29, 2024 · If you want to install steel over asphalt, your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common … WebNov 23, 2010 · Installing New Shingles Over Old Shingles Step 1 — Seek Professional Advice. Contact your local government office to inquire about local codes regarding... Step 2 — …

How to shingle over an existing roof

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WebNov 6, 2024 · Installinga new roof over an existing one can only be done if you have shingles becauseyou can only put shingles over shingles. It is not possible to mix materials,nor to install a new layer over slate or wood tiles. Another reason is curling shingles, as you can onlyinstall a new layer if the first one is completely flat and level. WebApr 20, 2024 · When contemplating a new roof, many people hope to simply do a shingle over and avoid the extra cost and mess of tearing off the existing roof and starting from scratch. Although it sounds like a good idea, we can assure you the cons heavily outweigh the pros. In fact, the ONLY pro to a shingle over is it’s cheaper and cleaner.

WebApr 5, 2024 · How are the metal sheets installed over shingles? 1 Nail or screw the underlayment and battens into the shingles. If the shingles are in decent shape, lay out … WebThe cost of putting a metal roof over an existing shingle roof will depend on the type of material you choose to use, but typically ranges from $4-$7 per square foot. This price …

WebOct 19, 2024 · The first is to apply an approved underlayment over the old shingles. This is the fastest way to install but it doesn’t provide the flattest surface for metal roofing …

WebAug 7, 2024 · Lay down asphalt roofing paper over the roof sheathing: The layer of roofing paper creates an inner barrier against water penetrating into the house. Rows of roofing paper are overlapped as they progress …

WebFastening / Nailing Details When Re-Roofing with Asphalt Shingles. Use galvanized roofing nails long enough to fully penetrate the sheathing, typically 1-1/2 inches for a second roof and 1 3/4 inches for a third. … razor edge graphicsWebMar 28, 2024 · Shingles Nails long enough to penetrate sheathing Step 1: Remove Caps Remove the ridge caps. Doing it now will make it easier to keep the job clean. Use a roofing shovel or flat pry bar to pry... razor edge game boosterWebMay 1, 2005 · The roofing cement will resist possible leaks overnight. The easiest way to tie in the new shingles with the old is with a cut valley (see Four Ways to Shingle a Valley). After the addition roof is framed and … razor edge french bulldogWebOct 21, 2024 · Snap a vertical chalk line from the inside edge of the first shingle on the second row to the top of the roof, and from the inside edge of the first shingle to the top of the roof. These chalk lines will serve as a guide for subsequent even-numbered rows of shingles, and odd-numbered rows, respectively. simpsons references in other mediaWeb3. 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 … razor edge hilton headWebInstall the new shingles and step flashing over the roof underlayment. Lap the existing house wrap or building paper over the top of the step flashing (Figure 11). Re-install the siding over the house wrap or building paper. Ensure a minimum 1.5-inch reveal between the bottom of the siding and the shingles of the roof. Figure 6. razor edge headphonesWebCommercial Roofing. Metal Roofs & Green Roofs. Gutters & Downspouts. Siding. Portfolio. Residential Roofings. Commercial Roofings. Claim Process. Insurance Claim Process. Quick Facts About Roof Claims. The Insurance Claim Check. How Does My Depreciation Work? Quick Depreciation Tips. My Roof Deductible. razor edge heal boss fight