St Louis Roofing: Article About Signs A Roof Needs Replacement
Inclement weather can have a negative effect on roofing materials. Heavy rains, high winds and scorching sunlight take a toll on asphalt based shingles. On average, asphalt shingles have a lifespan of about 15 years. This number will fluctuate depending on the weight of the shingle, where the building is located, the type of maintenance performed and the pitch of the roof. The 15 year average lifespan of an asphalt roof can vary drastically depending on the quality of the installation and the materials used. For this reason, it is recommended that homeowners carefully research the St Louis roofing contractor they hire to install and repair the roof before having them start any project.
Some homeowners wonder when is the right time to repair or to change their roof. They may also wonder what types of shingles are best for a reroofing project.
Homeowners should remember that different contractors are going to use different terms to describe the same type of shingle. Some may refer to them as fiberglass, some might use the term asphalt fiberglass and some may just call them asphalt. In most cases, all of these terms are referring to shingles that have a fiberglass base, an asphalt covering and mineral granules on top.
While there are different shingle weights and different designs of shingles that can be used when building a roof on a new construction project, in most cases, a reroofing project is done using shingles that conform to the standard configuration and that are lighter in weight.
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These are referred to as three tab strip shingles.
After determining the shingles that are going to be used in the reroofing job, the next question is, when will the job be done? If a reroofing job is done too early, homeowners may be covering over shingles that are still good. Conversely, if a homeowner waits too long, water may have infiltrated into the roof, causing structural damage, and the existing shingles may be so damaged that they will need to be stripped from the roof and the entire roofing project will need to be done from scratch. This will increase the length of the project and its expense. As a rule of thumb, if a residential roof is more than 20 years old, it is a good candidate for a reroofing job.
Reroofing a home is an expensive and time consuming project. Having a qualified roofing contractor inspect a home's roof is the best way to determine when a reroofing job needs to be done and what materials and techniques need to be used.