![]() ![]() The weight of roofing materials is important, lots of people ask for that information, and they should be able to tell you pretty quickly. ![]() If you can’t find the information you’re looking for on their website, remember that almost every reputable manufacturer will provide a phone number so you can contact their technical department. Manufacturer technical data sheets (with the precise material weights) are almost always made available on the manufacturer’s website. Roofing Manufacturers Know the Exact Weight of Roofing Materials There also may be more than one roof system in place.ĭon’t forget to add all roof assembly materials when calculating total roof weight. Depending on what you are using this information for, this can include the roof deck and the supporting structure (typically roof trusses and/or rafters) as well as the roof system itself. When it comes to estimating the weight of roofing materials for an existing roof, field verification of the in-place construction is necessary in order to see what materials are actually present on the roof. Roof systems typically include more than one type of material, and the weight of a roof system can be determined by adding up the weights of the different roofing materials used in that system.Ī built-up roof, for example, will typically include the built-up membrane itself, the layer of gravel for a gravel-surfaced roof, and the insulation and cover board, which will vary in thickness and material type from roof to roof. Roof systems can vary wildly by weight, from well under a pound per square foot for an aluminum standing seam metal roof to over 15 pounds per square foot for very thick clay roof tiles. ![]() The total weight of a roof depends on the type of roof system (and the size of the roof, of course). EPDM rubber, clay tiles, asphalt shingles, modified bitumen, asphalt BUR, PVC, copper panels, roofing slates, and cedar shingles. ![]()
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