Roof Recover, Re-Roof or Roofing Tear Off Portland OR...(503) 639-7663

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• published: 25 Apr 2013
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"Mention this video Title and get 10% off any service." Chad Westover & The Portland Roofers http://theportlandroofers.com Roof Recover,Re-Roof or Tear Off Portland OR (503) 639-7663 So What is a Roof Recover? Although in general tearing the the old roof off and starting over new is the most likely recipe for a leak free roof, building codes currently allow up to three layers of roofing to be applied to your home. A" recover" also called "lay over" or "over lay", is to put a new layer of roofing over an old layer of roofing. This could save you significantly as you will not have to pay the dump fees, tear off labor or the cost of underlayment or labor for installation of underlayment/felt. However I will turn down a job in which the customer has their mind set on a recover. Imagine having to have your new layer of roofing you just paid off removed because the old roof curled up under the new. Some old roofers told me that is what can happen which is the main reason I will not do a recover. It also adds more weight to the framing of the roof. Another reason I will not do a roof recover is people are usually not happy when their contractor fails to convince them to increase their budget to get a job done right. The best type of roof for a roof recover are three tab shingles because they lay flat and are less likely to cause bumps in the new roofing. They can be over layered with architectural style shingles and in many case as a result look every bit as attractive as if you had paid to tear off the roof. Only a roofer of building inspector peaking underneath your shingles will be able to tell in many cases. A recover over one layer of three tab can result in a long lasting leak free roofing system, the old roof could dry up and curl up and make your new roof all lumpy. The roof decking under your roof must be solid. Have several roofing contractors give their opinion. Ask them to also look to see that building up a second or third layer of roofing will not cause the water run off to shoot over the top of the gutter system in a heavy rain. Does my roof need to be torn off? I recommend you do not get a roof overlay, but if you do you should properly ventilate your attic. In almost all cases, continuous soffit and ridge vents will provide maximum cross ventilation and that is important to prevent condensation, mold and moisture problems in your attic. If any of the following are true, a complete tear-off of the existing roof system(s) should be considered: Too many layers -- If a roof has more than one layer of roofing, the roof should be torn off. In most cases this is a code requirement. Codes rarely permit more than two layers of roofing. To determine this, all you need to do is contact your local building inspections department. Bad decking -- if spongy areas are noticed when walking on a roof, or if you see sags between the rafters or trusses, there's a chance that some of the roof deck may be deteriorating or be damaged. Deterioration can be attributed to dry rot or de-lamination of the plies in the plywood due to glue failure. Dry rot is wood rot caused by certain types of fungi and if it isn't taken care of, it can spread. If there is suspicion of bad decking, then a full tear off should seriously be considered. Ice dams -- ice dams can be a big problem. In areas where there the average January temperature can be below 30 degrees F, and no ice and water protection membrane is present on a roof, then a full tear off should be considered. Twenty year old buildings with no ice and water protection and no prior problems, can suddenly experience thousands of dollars in damage when a freak cold front hits. Incompatible shingles -- if a heavy weight architectural style shingle is used to cover a light weight strip shingle such as 3-tabs, then the roof will look good. However, if a light weight shingle is used to cover a heavy weight shingle, the light weight shingles have a tendency to show all the bumps and ridges (called telegraphing) and won't look good. Existing roof is in poor condition -- if the existing roof is in really poor shape, such as tabs being severely curled or if the rows are crooked, then complete tear off and replacement should be considered. Shorter Life Span -- There is no known documented research, but most roofing professionals agree that with an overlay, the average lifespan of the shingles will be shortened by about 10-20 percent. http://youtu.be/r-WJkZQbd18 Roof Recover or Tear Off Portland OR Areas Served: Throughout the Portland, Oregon metro area, including the Portland west side areas of the West Hills, Beaverton, West Slope, Aloha, Cedar Hills, Raleigh Hills, forest heights, Garden Home, Tigard, Mt. Park, Lake Oswego, West Linn, Wilsonville, Sherwood, McMinnville, Oak Grove and anywhere else within a 45 minute drive from Portland, OR. The Portland Roofers 7811 SE Ellis St Portland, Oregon 97206 Phone: (503) 639-7663 Email: info@theportlandroofers.com