Chesapeake Roofers: Article About Metal Roofs
Chesapeake roofers encourage homeowners who are considering purchasing a metal roof to carefully weigh the pros and cons of using metal instead of more commonly used materials, like asphalt and wood. Homeowners should also understand the benefits that different types of metal roofs can provide.
Metal roofs outshine conventional roofing materials in a number of areas. They have an expected life span that is more than double that of wood, asphalt and clay tiles. If a metal roof is properly installed, it will protect the home from water, endure high winds, shed snow, resist insects and wildlife and resist mold. Most metal roofs have a warranty of between 20 and 50 years.
Metal is a lot lighter than concrete or tile. One hundred square feet of tile weighs around 750 pounds. The same amount of concrete tile weighs around 900 pounds. Comparatively, metal roofing weighs between 50 to 150 pounds per every 100 square feet. Some metal roofing material is so light that it can be placed over an existing roof without the need to tear off old roofing material.
Metal roofing material is easy to install. It sold in 12 to 36 inch wide panels that can be installed in one or two days less time than it would take to install traditional roofing materials. Metal roofs are fire resistant and have received a Class A fire rating.
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This classification changes if a metal roof is installed over combustible materials like wood or asphalt.
Metal roofs reflect heat from the sun, thereby minimizing the heat inside the home. This allows homeowners to save by reducing the amount of money they spend on air conditioning. However, metal roofs have a very low R value and will require insulation to keep heat in the home during winter. Their waterproof composition means that metal roofs can have a low pitch and not experience leaks. The minimum pitch for a metal roof is 3:12.
The drawbacks of metal roofing include, first and foremost, its expense. This is a relative expense when looked at over the life of the roof. Metal roofs are noisy, especially during the rain. Structural barriers can be used to minimize the sound from the rain. A metal roof may dent during a hailstorm, especially if they are made from materials like copper and aluminum, while other types of metals are guaranteed not to dent.
There are a lot of pros and cons associated with installing a metal roof. Homeowners should familiarize themselves with these and make the decision that is best for their situation.