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(Image: https://prolinecontractors.com/wp-content/uploads/2020/07/repairing-decking-under-shingles.jpg)Some shingle manufacturers will actually shorten their warranties, or void them altogether, if they are laid on top of old shingles. Lifespan - Shingles don’t last as long when placed on top of old shingles.external frame Leaks into the attic or the interior of the house can result in thousands of dollars of damage if left unattended. We are fully licensed and insured, but care more about long term clients, since we are a full service contractor, rather than making a quick buck. Sounds to me like you saved 3 grand and risked EVERYTHING ELSE YOU OWN! I am a licensed roofer and have seen this happen before. Atlas Roofing makes all three types of asphalt shingles, and its more premium lines incorporate Scotchgard to resist mold and mildew. The addition of solar panels can also affect your warranty. So if you think you might add solar panels to your new roof, check the warranty of the shingle you’re considering to make sure a solar-panel installation won’t void it. The specific shape of your roof can also influence cost. If your roof is less accessible or the parts needing to be repaired or replaced are limited, a roofer typically charges more. Similarly, the project will be more expensive if the roof is steep or more than two stories. Below is a breakdown of the average cost of an asphalt shingle roof and the typical cost range by square footage of your roof. That said, with the over-top installation (no tear-off), rain should not be a major issue for the installers. While solar-powered vents sound cool, there is probably no need to install them as long as your roof has both, the soffit and ridge vents, plus a properly insulated attic space. If there are no soffit vents, then a solar-powered vent sounds like a good option. It’s worth homeowners considering roof replacement if the current roof is over 20 years old, is sagging, has significant weather damage, or has visible mold growth. Roof replacement can cost between $5,727 to $12,418, with a national average of $9,072. Interlock roofing is one of the largest manufacturers of metal roofing, with options primarily made from aluminum and steel. Major roofing manufacturers GAF and CertainTeed have joined Tesla in introducing photovoltaic—aka solar—roofing shingles for homes. Based on the quote, your roof’s total square footage including the garage is 3,700 sq.ft. As a contractor handling this job, I would add another 300 sq.ft. Of materials to account for cutting of the shingles and materials waste, which brings us to the total of 40 squares of materials required for the job. If you loved this article and you also would like to acquire more info with regards to related resource site kindly visit the webpage. There are three layers of old shingles that need to be torn off and hauled away. This alone adds an extra $.50 to $1.00 per square foot expense, as the standard tear-off and disposal is typically only for up to two layers of old shingles. The contractor may need to arrange for a dumpster on-site, so homeowners can expect a charge for general material disposal fees. Before giving you an estimate, a contractor should assess all components in and around your roof, including the drip edge and gutters that steer water runoff. In a complete roof repair or redo, you’ll typically need to replace the underlayment. In a cold climate, a roofer may suggest applying an ice-dam protection membrane in some areas to guard against water seepage caused by ice buildup. The roofing contractor may also guarantee their work for a certain amount of time, or let you pay to extend it. Your homeowners insurance probably won’t pay to fix a roof declining due to age or normal wear and tear. However, damage done to your roof resulting from climate or weather-related events like thunderstorms, hail, wind, snow and tornadoes or hurricanes often is. A policy can also cover damage done from falling trees, limbs or other debris. Roofing material is estimated by the square, which is equal to 100 square feet. The average roof is 1,500 to 2,000 square feet, or around squares. A roof is an essential part of your home and provides the vital function of keeping you dry and protected from the elements. The average asphalt roof lasts about 20 years before replacement is needed, while newer architectural roofing materials and metal roofing may last 50 years or more before needing to be replaced. It pays to be an educated consumer for a home project like a roof replacement. Be sure that you understand all project costs before you accept an estimate. While this roof is easy to repair if a shingle is damaged, wood’s natural properties mean this roof requires a lot of maintenance. It will break down faster than synthetic or man-made materials, requires treatments to resist insects, is prone to mold growth, and is a greater fire risk than other materials. CertainTeed makes asphalt shingles, as well as more premium metal and faux slate roofing. While manufacturers price their product by the square, roofing is generally packaged, and sold, in bundles. By law, each shingle bundle should state clearly how many square feet it covers so that you can calculate the number of bundles you need and budget accordingly.