![]() Per Inch of Thickness 0.105 lbs 10.5 lbs 0.51 kg Siplast Polystyrene (XPS) Per Inch of Thickness 0.216 lbs 21.6 lbs 1.05 kg Siplast Polystyrene (EPS) Per Inch of Thickness 0.94 lbs 94 lbs 4.59 kg Johns Manville Plywood Roof SheathingĪpproximate Weight 1.4 lbs 140 lbs 6.84 kg APA – The Engineered Wood Association Polyisocyanurate Insulation Board Self-Adhering 0.29 lbs 29 lbs 1.42 kg GCP Applied Technologies Modified BitumenĢ-Ply Membrane 2.0 lbs 200 lbs 9.8 kg Siplast OSB Roof SheathingĪpproximate Weight 1.4 lbs 140 lbs 6.84 kg APA – The Engineered Wood Association Perlite Board (Membrane Only) 0.56 lbs 56 lbs 2.73 kg Firestone Building Products Gypsum Roof Boardġ/2-Inch Thick 2.0 lbs 200 lbs 9.8 kg Georgia Pacific Gypsum Ice and Water Shield (Membrane Only) 0.47 lbs 47 lbs 2.29 kg Firestone Building Products EPDM Roof Membrane (Membrane and Stone Ballast Only) 10.75 – – 2000 lbs 52.5 – 97.65 kg Firestone Building Products EPDM Roof Membrane Copper, Flat Seam 1.1 lbs 110 lbs 5.37 kg Revere Copper Products EPDM Roof Membrane “Designer”, “Luxury”, or “Premium” 4.25 lbs 425 lbs 20.75 kg CertainTeed Built-up Roof Membraneģ-Ply, Gravel-Surfaced 6 lbs 600 lbs 29.3 kg Owens Corning Roofing and Asphalt GAF Built-up Roof Membraneģ-Ply, Smooth-Surfaced 2.33 lbs 233 lbs 11.38 kg Owens Corning Roofing and Asphalt GAF Built-up Roof MembraneĤ-Ply, Gravel-Surfaced 6.3 lbs 630 lbs 30.76 kg Owens Corning Roofing and Asphalt GAF Built-up Roof MembraneĤ-Ply, Smooth-Surfaced 2.58 lbs 258 lbs 12.60 kg Owens Corning Roofing and Asphalt GAF Clay Tile Roofing 6 – 15 lbs 600 – 1500 lbs 29 – 74 kg Ludowici Roof Tiles Concrete Tile Roofing 6 – 11 lbs 600 -1100 lbs 29.29 – 53.71 kg Boral USA ġ6 oz. “Architectural”, “Dimensional”, or “Laminate” 3.05 lbs 305 lbs 14.89 kg CertainTeed Asphalt Shingles “3-Tab” or “Strip” 1.95 lbs 195 lbs 9.52 kg CertainTeed Asphalt Shingles Weight of Roofing Materials These are the weights of typical actual products the weights of other actual products of the same type may vary. When precision is necessary, always refer to the data sheets of the actual, specific product you intend to use, or contact the technical department of the product manufacturer or material provider. In all cases, these values are meant to provide a general idea of what the various roofing materials weigh, and should not be used if precise values are needed for critical engineering calculations. In a few cases, the weight of roofing materials we provide was calculated using more general manufacturer data, or taken from a non-manufacturer source that we consider reasonably authoritative. Where possible, the values for the weight of roofing materials were taken directly from manufacturer technical data sheets and are the actual weights of specific, representative products. These values can be considered the dead load values or self-weight of roofing materials. The following table provides typical values for the weight of roofing materials and related building products. ![]()
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