Photo: CertainTeed
Whether you are building from scratch or choosing a new roof for your existing home, a wide range of materials are readily available and worthy of consideration. These include asphalt, wood, and composite shingles, as well as slate, concrete, and clay tiles. Style is an important factor, but it’s not the only one. Product cost, material weight, and installation requirements should also influence your selection. Here’s what you need to know:
The Square
Before we talk materials, let’s talk terminology. Roofers don’t usually use the measure “square feet.” Instead, they talk in squares. A square is their basic unit of measurement—one square is 100 square feet in area, the equivalent of a 10-foot by 10-foot square. The roof of a typical two-story, 2,000-square-foot house with a gable roof will consist of less than 1,500 square feet of roofing area, or about fifteen squares.
Before we talk materials, let’s talk terminology. Roofers don’t usually use the measure “square feet.” Instead, they talk in squares. A square is their basic unit of measurement—one square is 100 square feet in area, the equivalent of a 10-foot by 10-foot square. The roof of a typical two-story, 2,000-square-foot house with a gable roof will consist of less than 1,500 square feet of roofing area, or about fifteen squares.
Cost
A number of considerations will affect the cost of a new roof. The price of the material is the starting point, but other factors also must be considered. One is the condition of the existing roof if you are remodeling a house—if old materials must be stripped off, and if the supporting structure needs repair, that will all cost money. The shape of the roof is another contributing factor. A gable roof with few or no breaks in its planes (like chimneys, vent pipes, or dormers) makes for a simple roofing job. A house with multiple chimneys, intersecting rooflines (the points of intersection are called valleys), turrets, skylights, or other elements will cost significantly more to roof.
A number of considerations will affect the cost of a new roof. The price of the material is the starting point, but other factors also must be considered. One is the condition of the existing roof if you are remodeling a house—if old materials must be stripped off, and if the supporting structure needs repair, that will all cost money. The shape of the roof is another contributing factor. A gable roof with few or no breaks in its planes (like chimneys, vent pipes, or dormers) makes for a simple roofing job. A house with multiple chimneys, intersecting rooflines (the points of intersection are called valleys), turrets, skylights, or other elements will cost significantly more to roof.
Materials
Not every roofing material can be used on every roof. A flat roof or one with a low slope
may demand a surface different from one with a steeper pitch. Materials like slate and tile are very heavy, so the structure of many homes is inadequate to carry the load. Consider the following options, then talk with your designer and get estimates for the job.Not every roofing material can be used on every roof. A flat roof or one with a low slope
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