• A metal roof should always be applied after the old shingles are torn off completely, and new synthetic felt paper is applied. I was telling them that all of my competitors were putting the metal right over the old shingles, and they repeatedly said you cannot do that, its just not correct.
      • A better solution would be to use a flexible sheet membrane roof on the patio roof. Seperate flashing material from the patio roof to the slightly sloped roof. Then install the neww roofing material on the mobile home roof. The roll roofing, if it is the 90 # granule surface stuff will not last even the 10 years that the shingles have.
      • If your old, rolled roof has been subjected to severe damage by wind, rain, snow or ice buildup, never install new shingles over the old roof. In these cases, a complete rip off is called for so that any structural damage to the subroofing can be repaired properly.
      • Briefly I want to install metal shingle roof over two layers of old aspalt shingles on my cottage. Roof slope is 3:12 and there is no attic. Would it make sense to add foam insulation between old roof and new metal shingles to keep house cooler in a summer.
      • The asphalt-based brick pattern exterior siding products found on some older buildings were generally produced by the same companies who produced asphalt-based roofing shingles. Asphalt-based [roof shingle material on an organic (paper mat) or asphalt on hardboard] siding products were later supplanted by cement-asbestos siding-shingles, then ...
      • Going over the old shingles also avoids the potential issues that can occur, like unexpected rainstorms, when old roofs are torn off. Still, ultimately, it is the property owner's decision but I would have no qualms about going over a layer of old shingles. It's not uncommon to go over multiple layers either actually.
      • Jul 18, 2017 · A metal roof is an alternative to a shingle covered roof, but a metal roof can actually be installed over shingles. However, you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Otherwise, you will need to remove the shingles.
      • A better solution would be to use a flexible sheet membrane roof on the patio roof. Seperate flashing material from the patio roof to the slightly sloped roof. Then install the neww roofing material on the mobile home roof. The roll roofing, if it is the 90 # granule surface stuff will not last even the 10 years that the shingles have.
      • Roll roofing is made from the same asphalt composition material as shingles, and it's easier to install. There are three systems, including glue-down, torch-down and peel-and-stick. Peel-and-stick...
      • Roof Coating & Color. A specially formulated 100% acrylic roof coating specifically designed for use on asphalt shingles. Its’ unique formulation provides excellent durability, superior fade resistance and a smooth low sheen that resists cracking, peeling and chipping while binding the shingles together to resist wind lift-up.
      • Building codes say you can put a second layer of shingles over the first layer, but it’s better to strip off the old shingles and start with a clean slate. There’s anecdotal evidence that new shingles installed over old shingles won’t last as long as a single-layered roof, most manufacturers offer the same warranty for both methods.
      • If removal of shingles is required on some sections of a roof-over job, be sure that you properly build-up or shim meeting points between the removed-shingle area and the rest of the roof, so that the roof surface remains both cosmetically acceptable and so that you do not create a wear point in the new shingles that have to lap over these roof ...
    • Shingle the addition roof, letting the new shingles fold through the valley center and onto the old roof deck by at least 1 ft. Re-lay the shingles you removed from the existing roof.
      • Going over the old shingles also avoids the potential issues that can occur, like unexpected rainstorms, when old roofs are torn off. Still, ultimately, it is the property owner's decision but I would have no qualms about going over a layer of old shingles. It's not uncommon to go over multiple layers either actually.
      • Jun 12, 2015 · Is Roofing over an old layer OK? Also know as a re-roof - Duration: 4:51. Grand Roofing Inc. 6,217 views
      • Aug 23, 2018 · Roll roofing is a lightweight, comparatively inexpensive roofing material that's sold in a large roll. It differs from other types of roofing, which typically come as shingles, in that it is one piece of material. Generally, this product is sold in rolls that are 36 inches wide and contain 100 square feet of material.
      • If removal of shingles is required on some sections of a roof-over job, be sure that you properly build-up or shim meeting points between the removed-shingle area and the rest of the roof, so that the roof surface remains both cosmetically acceptable and so that you do not create a wear point in the new shingles that have to lap over these roof ...
      • Roof shingles don't last forever. A storm can rip some off the roof, or time can break them down. 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. But you'll need to match the new shingles with the old ones so the repair won't be too noticeable.
      • If removal of shingles is required on some sections of a roof-over job, be sure that you properly build-up or shim meeting points between the removed-shingle area and the rest of the roof, so that the roof surface remains both cosmetically acceptable and so that you do not create a wear point in the new shingles that have to lap over these roof ...
    • Jul 31, 2017 · Rolled Roofing vs. Shingles: Cost and Installation. Rolled roofing is generally more affordable and budget-friendly than roof shingles. Of course, the production costs for rolled roofing is significantly lower because it requires less effort to put asphalt on a large roll than making individual roof shingles.
      • Shingle the addition roof, letting the new shingles fold through the valley center and onto the old roof deck by at least 1 ft. Re-lay the shingles you removed from the existing roof.
      • Rolled roofing is typically considered a less attractive roofing choice than other types of roofing systems. Compared to composite shingles, whose lifespan is roughly 20 years or more, rolled roofing does not last nearly as long — typically 5-8 years.
      • Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer. Applying roofing felt first will better protect the sheathing against condensation, as well as against leaking. If the roof is sloped, you can use the exposed-nail method. For a slightly sloped roof, use the concealed-nail method shown.
      • Once you have installed shingles just past a plumbing vent, install the flashing piece so it will lie on top of roofing at its bottom but be covered with roofing at its top. Depending on the width of the pipe, you may need to tear away a segment or two of the rubber boot.
      • A better solution would be to use a flexible sheet membrane roof on the patio roof. Seperate flashing material from the patio roof to the slightly sloped roof. Then install the neww roofing material on the mobile home roof. The roll roofing, if it is the 90 # granule surface stuff will not last even the 10 years that the shingles have.
      • If your old, rolled roof has been subjected to severe damage by wind, rain, snow or ice buildup, never install new shingles over the old roof. In these cases, a complete rip off is called for so that any structural damage to the subroofing can be repaired properly.
    • Why Installing New Shingles Over Old Shingles Can Be Good. Let’s start with the good. Many Arizona homeowners with shingle roofs do decide to roof over their existing shingles because: Less expensive. You can save money because there’s no dump fee for removing your old roofing, and there’s no need for additional felt paper over the old roof.
      • Armor Shingle Roof Coating is the best one part sealer that penetrates and forms a protective roof coating that extends the life of old asphalt roof shingles. Easily applied. Save thousands on a roof replacement.
      • Modern 90-pound asphalt roll roofing is built of either mineral-coated fiberglass-reinforced mat or an organic-mat material very similar to asphalt roof shingles. Roll roofing is coated on both sides with asphalt and its exposed side is protected with mineral granules. Single-coverage roll roofing usually has a 2-inch lap with exposed nails.
      • Apr 23, 2006 · As a roofer i would advise not the re-roofing over roll roofing is a bad idea. the old roofing traps moister under new shingles causing them to fail sooner. there is an added weight issue that even if the building code allows it in heavy snow can cause roof failure. and if you just go over the top of the old roof you can not see if any deck damage has been done from leaks
      • Asphalt shingles are the most common roofing option for residential properties. However, rolled roofing offers many of the same features. Both roofing materials consist of a base mat with a layer of asphalt that is covered in granules. While both options use a similar manufacturing process, there are several major differences.
      • Going over the old shingles also avoids the potential issues that can occur, like unexpected rainstorms, when old roofs are torn off. Still, ultimately, it is the property owner's decision but I would have no qualms about going over a layer of old shingles. It's not uncommon to go over multiple layers either actually.
      • Re-roofing over old shingles can save you time and money since you will not have to rip off the old roof and pay to have it hauled away. Step 1 — Seek Professional Advice Contact your local government office to inquire about local codes regarding installing new shingles over old ones.
      • Dec 02, 2012 · We're into our rainy fall season and I don't feel comfortable pulling the one layer of singles on there and then replacing it with rolled roofing. Can you put rolled roofing over a single layer of shingles and will it hold up.
      • Jul 31, 2017 · Rolled Roofing vs. Shingles: Cost and Installation. Rolled roofing is generally more affordable and budget-friendly than roof shingles. Of course, the production costs for rolled roofing is significantly lower because it requires less effort to put asphalt on a large roll than making individual roof shingles.
      • Reroofing Over Asphalt Shingles As a roofing contractor doing business in my hometown for more than 20 years, I consider it my obligation to give customers the best value for their money. When their asphalt shingle roof has reached the end of its life, most people assume their only option is to strip the roof to bare sheathing before a new roof can be applied.
    • I had new roof put on in Jan. They put new plywood on over the old. Now the shingles are popping up & moderate lumps. What's wrong? Is it ok to put new roof composition shingles over old shingles that were laid 25 years ago on new 3/4 plywood?
      • I had new roof put on in Jan. They put new plywood on over the old. Now the shingles are popping up & moderate lumps. What's wrong? Is it ok to put new roof composition shingles over old shingles that were laid 25 years ago on new 3/4 plywood?
      • Jun 24, 2015 · Roofing over your old roof can save you around $1,000 on installation costs, because the roofing company won’t have to remove and dispose of old shingles. It can save you money at the time, but it might actually end up costing you more in the long run.
      • The main benefit of doing it this way is that it is the fastest way to install a new metal roof over a shingle roof. This is the minimum that needs to be done. Some people think that they can just install the metal roofing right over the old shingles roof without any barrier in between, but this is highly not recommended.
      • Mar 24, 2012 · PART 1 of 4 Roll roofing the old section of the shed. ... Roll Roofing A Small Flat Roof with Greg Zanis - Duration: ... How to remove shingles to do a repair - Duration: ...
    • Why Installing New Shingles Over Old Shingles Can Be Good. Let’s start with the good. Many Arizona homeowners with shingle roofs do decide to roof over their existing shingles because: Less expensive. You can save money because there’s no dump fee for removing your old roofing, and there’s no need for additional felt paper over the old roof.
      • Reroofing over an existing roof - Installing roll roofing - Repairing A Rolled Roof Reroofing over an existing roof If you’re reading this, your roof currently has only one or two layers of shingles and they are worn, but basically sound and in good repair.
      • Building codes say you can put a second layer of shingles over the first layer, but it’s better to strip off the old shingles and start with a clean slate. There’s anecdotal evidence that new shingles installed over old shingles won’t last as long as a single-layered roof, most manufacturers offer the same warranty for both methods.
      • Feb 17, 2020 · Rolled roofing has become more and more popular in recent years. When compared to shingles, rolled roofing is far cheaper and much easier to apply. You don't need to get a professional in to apply rolled roofing to your house or shed, you can do it yourself.
      • Shop roll roofing in the roofing section of Lowes.com. Find quality roll roofing online or in store.
      • Apr 23, 2006 · As a roofer i would advise not the re-roofing over roll roofing is a bad idea. the old roofing traps moister under new shingles causing them to fail sooner. there is an added weight issue that even if the building code allows it in heavy snow can cause roof failure. and if you just go over the top of the old roof you can not see if any deck damage has been done from leaks

Roll roofing over old shingles

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Roof Coating & Color. A specially formulated 100% acrylic roof coating specifically designed for use on asphalt shingles. Its’ unique formulation provides excellent durability, superior fade resistance and a smooth low sheen that resists cracking, peeling and chipping while binding the shingles together to resist wind lift-up.

Re: replacing asphalt shingle roof vs applying sealent coating And when you do a re-roof prior to putting up panels, do a proper job of it. Do not shingle over; tear it down to the wood, inspect for damage, check the structure, and bring it up to code. Roll roofing is asphalt based like most shingles. It is easier and quicker to manufacture than shingles since it is a single piece, and as a result, it is a good deal cheaper. A Champaign roofing company can install it for a reasonable price if the homeowner does not wish to do it.

Dec 02, 2012 · We're into our rainy fall season and I don't feel comfortable pulling the one layer of singles on there and then replacing it with rolled roofing. Can you put rolled roofing over a single layer of shingles and will it hold up. Dec 29, 2018 · Add a second piece of full-width roll roofing over the first. Nail it in place with roofing nails spaced 6 inches apart and placed 1 inch from the edge. Measure and mark 35 inches from the bottom...

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Why Installing New Shingles Over Old Shingles Can Be Good. Let’s start with the good. Many Arizona homeowners with shingle roofs do decide to roof over their existing shingles because: Less expensive. You can save money because there’s no dump fee for removing your old roofing, and there’s no need for additional felt paper over the old roof. Modern 90-pound asphalt roll roofing is built of either mineral-coated fiberglass-reinforced mat or an organic-mat material very similar to asphalt roof shingles. Roll roofing is coated on both sides with asphalt and its exposed side is protected with mineral granules. Single-coverage roll roofing usually has a 2-inch lap with exposed nails.

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So when we talk about metal roofing over shingles, how does it work? There are really two ways to install a metal roof over a shingle roof. The first way is to run new underlayment over the existing shingle roof, completely covering the old roof. .

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Jun 12, 2015 · Is Roofing over an old layer OK? Also know as a re-roof - Duration: 4:51. Grand Roofing Inc. 6,217 views Ancient gear farming botw
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