While metal roofing material used to be found only in commercial buildings, it is now becoming more common in residential buildings as well. This is due in large part to the large number of choices now available in terms of appearance and design: many different textures and types can be bought, from the standing seam variety (sued mainly in commercial buildings) to tile and even shingle designs. Becasue metal roofing is so light, it can be used on any type of roof, both pitched and flat, and is much easier to work with even on very steep roofs.
Although metal roofing is more expensive than asphalt roofing material, it is still far cheaper than slate roofing material, the most expensive material on the market. Despite being more expensive, metal roofing does last far longer than asphalt roofing; most metal roofing material will come with a warranty for up to fifty years.
Standing seam metal roofing used to be the most common form of metal roofing. Squares of metal were joined together by concealed fastenings so that the finished product looked like one solid piece of ridged metal. Tile metal roofing can be customised according to the design of your home; it can come in many different colours, or can mimic the heavier tile sometimes seen on pitched roofs. Shingle metal roofing can come in any colour or texture that you want. For example, you can order metal shingles that look like cedar shake, but without the drawbacks of needing to add fire-retardant.
‘Cool metal’ is a type of metal roofing which can deflect sunlight, reducing the temperature of the building and cutting down on air conditioning costs in hot climates. It is also made of twenty-five percent recycled metals, and so is vey environmentally friendly. Most metal roofing materials re recyclable, and they can be taken from one project to another.
One major advantage of metal roofing is that metal roofing material can also come insulated. The two metal sheets are filled with a liquid foam insulation. This enlarges and fills the gap between the sheets, and solidifies to form one solid piece. This will give uniform insulation across the entire roof, which is better than some other types of insulation that can leave gaps. Gaps such as these can let heat out in the winter.