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The life expectancy of your roof depends on several factors type of roofing, high quality of material, and exposure to harsh climate elements amongst the prime. With regular upkeep and normal weathering aspects, a roof can final anywhere from ten 100 years.  [http://level1generalconstruction.com/dallas-roofing-contractor/ dallas roofing contractors]  Frequent roofing material such as constructed up roofing typically lasts 12 20 years, metal roofing 15 40 years, wood shake or shingles 10 40 years, asphalt shingles 15 20 years, and specialty material like slate up to one hundred years beneath good situations. Leaks start as little cracks in roofing material that may not be visible water could gather in an adjacent area. To detect such harm, a close inspection of the roof may be essential. A certified roofing contractor can be referred to as to avoid further damage to the roof, or personal injury to the homeowner triggered by attempting to inspect it his or her self. A roof inspection must be performed annually constant weathering by sun, heat, rain, snow, hail, wind, and cold can lead to roofing material to break down. A certified roofing contractor will know what to look for. A roof and soffit program must be properly vented to prevent over-heating and moisture retention, two elements that can cause a roof to break down prematurely. Choosing a Qualified Roofing Contractor A certified, skilled contractor gives numerous services. From fully tearing off an old roof and replacing it with a new 1, to inspecting and certifying an existing roof. The latter is a method in which the roof is inspected and guaranteed to function properly for a particular period of time generally 2 years. The contractor takes responsibility for any required roofing repair throughout that period. A certified contractor is knowledgeable of roof method kinds, supplies, and installation procedures greatest suited to every single project, and will make certain there is sufficient venting. Ask prospective roofing contractors queries such as regardless of whether or not they are licensed and bonded. What liability insurance coverage they carry, and no matter whether it is up to date. Ask which roofing product manufacturers they are licensed and authorized by, for installation of products and warranty purposes. Also ask if they are a member of any regional or national trade organizations.  [http://level1generalconstruction.com/dallas-roofing-contractor/ powered by]  Several resources are accessible to uncover a certified roofing contractor referrals, nearby government licensing agencies, and internet sites that offer contractors for hire, or a list of contractors who are licensed and bonded. In Canada, go to www.handycanadian.com for a listing of certified roofing contractors in your location.  [http://level1generalconstruction.com/anna-roofing-contractor/ anna roofing contractor]