How long should my roof last is a question you should ask if you have just bought or are buying a house. A beginning question and one of the more important questions you ask, is “how old is the roof?” Why? Because replacing a roof is an expensive proposition and knowing how long you have, generally, before you have to come up with the money for that expense is essential. How long your roof will last, the number of years you have left depends on a few things, like type of roofing materials and how well the roof has been cared for.
Asphalt shingles are designed to provide about 20 to 30 years, sometimes longer. In areas where there is a lot of heat and humidity, shingle life will be shorter. The heat and humidity affects the lifespan. Humidity also encourages growth of algae and mold. Each of these will damage asphalt shingles. Poor ventilation also affects shingle life.
Metal roofing materials can last for decades, some have even lasted over 100 years! Today’s metal roofs use technologies that decrease the instances of rust which definitely extend the roof life. Rust is the biggest problem with metal roofs, and in much older ones it is something that will shorten their life span. Replacing a metal roof can be expensive, but you will most likely never have to do it again.
Tile roofs come in two forms, concrete and clay. Concrete tile roofs withstand many of the heat and humidity issues that harm other materials and can last 50-100 years or more. Clay tile roofs are also very weather resistant and can last 50-70 years, if cared for properly.
Contact a roofing professional to discuss the best type of roofing for your home, budget and area.
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