eudonaqcu1

Table of ContentsUpgrade A Roof With Architectural ShinglesCan You Put New Roofing Shingles Over Old Ones?A Guide To Roofing Over Existing ShinglesUpgrade A Roof With Architectural Shingles

In order to completely inspect the roofing decking and deal with any potential issues with it, you require to remove the existing shingles. The underlayment installed between the roofing system decking and the shingles is there to prevent water from coming in through the roofing system deck and into the attic. If the underlayment is old and damaged, it will not protect your roofing system deck from the water that surpasses the shingles.

For many house owners who are preparing to sell their home in the future, adding a second layer of shingles might sound like a great concept: why pay for a tear-off if you can just avoid it? Naturally, it'll be the new owners who are stuck with the extra cost of a two-layer tear-off down the roadway, together with any issues arising from having several layers of shingles.

As you can see, even if you're selling your house, including extra layers is not helpful as it may dissuade potential buyers. In conclusion, Portland Quality Roof Inc recommends getting rid of all existing roofing product prior to installing your brand-new roof. The short-lived cost savings are simply insufficient considering the threats associated with re-covers.

Website Link: http://tirlewvzie.nation2.com/a-guide-to-roofing-over-existing-shingles

POST a CONCERN or REMARK about re-roofing, tear-off, shingle-over with asphalt roofing shingles Asphalt roofing shingle re-roofing advice: This article talks about how to prepare an existing asphalt shingle roof for a roof-over or for re-roofing with brand-new asphalt shingles. This post series discusses best practices in the selection and setup of property roof.

The Diy Guide: How To Replace A Shingle Roof Yourself

New Roofing: Tear Off Vs. Overlay

Roof-over details for several layer asphalt shingle roofings. Characteristics of asphalt shingle roofing products. Best practices for roofing material setup, flashing, ventilation, nailing, underlayment We likewise offer a MASTER INDEX to this subject, or you can try the page top or bottom SEARCH BOX as a fast way to discover details you require.

If the roofing system is structurally sound, a lot of building codes allow for 2 layers of asphalt shingles and some allow for a 3rd on roofings with a 5:12 or steeper pitch. Here is a normal excerpt limiting the variety of shingle layers on a residential roof to two: Roofing systems that already have two layers of 2 shingles should not be roofed once again.

- FHA Single Family Real Estate Policy Handbook, mentioned at If the original shingles are not severely curled and the sheathing is sound (check for bouncy locations), then a reroof is an excellent option. The much heavier the shingle on the new layer, the less likely it is that irregularities in the surface area below will telegraph through.

and roofing system deck for numer of roof layers, soundness of roof decking, smoothness of existing roof setup, and other aspects that determine whether or not you can do a roof-over or if a roof shingle tear-off is required. Our asphalt roofing shingle layer photo (left) shows that this roofing system currently has 3 layers of shingles installed - more layers are not permitted.

On The Level: Tear Off Old Shingles Before Putting On New Roof

- Ed.; investigate, strip shingles completely, and change roofing system sheathing as needed prior to continuing with the roof-over on the rest of the roofing system. If removal of shingles is needed on some areas of a roof-over job, be sure that you correctly build-up or shim conference points between the removed-shingle location and the rest of the roofing system, so that the roof surface area stays both cosmetically appropriate and so that you do not develop a wear point in the new shingles that need to lap over these roofing shingle density transitions.

and get rid of any curled tabs, replacing them with new shingle scraps as shims. on rakes and eaves. Specialized drip edge profiles created for retrofitting twist around the exposed roof edge, leaving a neat protected edge. and one is needed, use a retrofit membrane such as Air Conditioner Evenseal (NEI, Brentwood, New Hampshire).

Don't even consider roofing-over a structure whose roof deck is in the condition displayed in our photograph at left. However a cautious assessment may be required to find more subtle but dangerous roofing deck conditions. Watch out: with an un-sound roofing deck can lead to severe injury if a worker enter a soft area and falls through the roof - a threat more most likely with thin plywood sheathing (on some low-cost houses as thin as 3/8" or perhaps 1/4") and likewise more likely where the roof is known to have been dripping, or finally, where fiberboard roof sheathing has actually been used.

This process starts with a 5-inch starter strip fit along the eaves and set against the 2nd course of existing shingles (see Figure 2-16). DF Notes: Notice that in re-roofing the starter strip is an inch less in width than when installing brand-new shingles over a fresh roof-deck, revealed in our asphalt shingle roofing guide at ASPHALT SHINGLE STARTER COURSE SETUP That's to prevent a raised ridge and to let the brand-new complete shingle course lay flat atop the initial shingles.

Leave Or Take Off Old Shingles

Can You Put New Shingles Over Old Ones?

So the upper edge of each new shingle course butts against the lower edge of the proper existing shingles on the roof above the course being installed. That will let the shingles lay flat on the roof. Only the first course needs assistance below - that's why we cut a special starter strip of more-narrow width than for a new roof setup.

Reroofing Replacement Vs. Recover – Asphalt Roofing

Even before setting up the starter strip or underlayment you must set up drip edge flashing along all roofing system edges. See DRIP EDGE FLASHING for ROOFINGS Next set up a course of shingles reduced to 10 inches large, so they fit versus the bottom edge of the existing third course (this creates a brand-new 3-inch first course).

https://www.youtube.com/embed/jdGqWS4zrCI

https://www.google.com/maps/embed?pb=!1m14!1m8!1m3!1d863711.1748974557!2d-110.848354!3d32.261532!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x0%3A0xbcf27ef93d33a9f6!2sDC%20Roofing%20of%20Arizona!5e0!3m2!1sen!2sus!4v1601847844810!5m2!1sen!2sus

DC Roofing of Arizona

Tucson, AZ

(520) 979-9095

https://www.dcroofingarizona.com/

https://www.google.com/maps?cid=13615084232433183222

https://www.google.com/maps/embed/v1/directions?key=AIzaSyAT8ig6vIZpArpz5aokN-7eevoH-Unfy0Y&origin=32.1433135,-110.9163409&destination= AZ 85706&mode=driving

Use galvanized roof nails enough time to completely permeate the sheathing, generally 1-1/2 inches for a 2nd roofing and 1 3/4 inches for a third. Nesting each new row listed below an existing one keeps the new nails 2 inches below the existing, which will assist lessen any splitting of the sheathing.