Live Roof Weight

Each inch of water weighs approximately 5 2 pounds per square foot so at maximum water detention the blue roof solution would add up to 18 2 pounds per square foot of load to the weight of the green roof modules find saturated weights here.

Live roof weight.

Steel roof deck 22 gauge corrugated. I found online is that living roofs can weight anything up to 150kg per sqm so i asked our builder and engineer to work to a dead weight of 150kg whats a dead weight i hear you ask well. For retrofit projects where load limitations exist. The load increases with the use of heavier roofing material.

Maximizes storm water management and integrates perfectly with both new construction and existing buildings liveroof deep. Irrigated to expand plant biodiversity to an array of drought resistant conventional and native perennials. Step 3 determine the transient load of the roof. All roofs must slope in order to drain and what most people refer to as a flat roof will have a slope of per 12.

This is because soil holds water by cohesion but there is a limit to how much cohesive force soil can provide. Systems offer a variety of plant options with four system depths. Thatch approximate typical weight 7 lbs. This is all of the natural stresses imposed upon a roof such as snow loads rain loads and wind loads.

Stone coated steel roof tiles 26 gauge. L live load symbol l r live roof load symbol lrfd load and resistance factor design r rainwater load or ice water load. Tpo roof membrane 60 mil fully adhered membrane only 0 29 lbs. If you live in the us our snow load calculator compares the total weight on your roof with the permissible load calculated according to the standards issued by the american society of civil engineers regarding the minimum design loads for buildings and other structures asce7 16.

W wind load symbol force due to a weight name for total force due to distributed load j density or unit weight design codes in general design codes are issued by a professional organization interested in. Western states metal roofing. Asphalt shingle or asphalt fiberglass composite shingle 2 7 lbm ft2 13 2 kg m2 metal roofing aluminum or steel panel sheet or shingle 1 2 lbm ft2 5 9 kg m2 terne plate copper bearing steel sheet 0 7 lbm ft2 3 4 kg m2 wood shingle or shake 2 4 lbm ft2 11 7 kg m2 zinc roofing 1 6 lbm ft2 7 8 kg m2. The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot.

Practically speaking soil acts as a sponge. Such roofs will retain more water than roofs with greater slope. Thats the weight it ll be when there is just itself up there a live weight is stuff like water rain snow or the bloke on a ladder trying to install a satellite dish.