The roof of a building is its most visible element and provides protection from rain, snow, sunlight, extremes of temperature, and wind. It can be flat or sloped, vaulted or domed, and made from a wide variety of materials. It may be covered with shingles, wood shakes, cut turf (modern ones known as green roofs, traditional ones as sod), clay tile, concrete slabs, or metal panels. The roof structure is the frame of trusses, beams and rafters upon which the roofing sheathing is attached.
Traditionally, residential roofs have been covered with asphalt shingles, although the demand for energy efficiency and environmentally friendly options has encouraged many homeowners to opt for a metal roof. While metal feels modern, it has been used for centuries and is available in a range of styles that complement many different types of houses.
A roof’s pitch, or slope, determines how quickly water and snow will flow off of it. The steeper the pitch, the faster it will drain. Most single-family homes have a roof that is pitched at 3:12, which means it rises 3 feet for every 12 feet of horizontal distance.
There are also Ace Roofing & Building Ltd that are very steep, nearly vertical. Those are often found on historic buildings or on some new construction. These roofs are designed to provide maximum protection from wind but are not suitable for areas that experience heavy rainfall.
Shingles are the most popular roofing material in the United States, covering 75 percent of homes. They are easy to install and cost from $3 to $7 per square foot, depending on the type of shingle. Some shingles are machine-cut, with cleaner edges and a more uniform look, while others, such as wood shakes, are hand-cut for a more rustic appearance.
Metal roofs have long been in use and are an excellent choice for commercial and industrial buildings. They are very durable and are available in a wide array of colors, textures, and designs to complement any architectural style. Most of the metal roofing is produced from recycled steel, making it an exceptionally green product that is 100 percent recyclable at the end of its life.
The most common roofing materials are asphalt shingles, wood shingles and shakes, and metal sheets and shingles. Metal is a great option for contemporary homes and can be painted to match the color of the home. It is available in a range of standing seam and ribbed profiles that can be designed to be seen or to blend into the roof’s overall shape.
Other roofing materials include cut turf (as in green roofs), and adobe clay. These roofs are sometimes used to reduce the need for drainage pipes in regions that experience frequent rain. They also have good insulating properties. Blown-in insulation, such as mineral wool or cellulose (recycled newspaper), is also an option for roofs. It is important to select a material that is resistant to mold and fire.