You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
Green roof loading calculations.
Arch 331 note set 13 1 s2014abn 2.
Required climate data for the calculation with the generic green roof model.
Live roof load w wind load s snow load e earthquake load r rainwater load or ice water load t effect of material temperature h hydraulic loads from soil f hydraulic loads from fluids.
Structural engineers use the solar panel roof load calculator to come up with the correct load capacity of the roof material.
A majority of roofs can withstand the weight of solar panels.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
Exterior climate data set.
Green roof calculator green roofs have become popular over the years.
This is essentially the result of green roof s versatility like role in urban development role in planning open spaces ecological role and economic protective role.
Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.
The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2.
For example the weight per square footing for asphalt shingle weight per 100sq ft lbs range is 190 250.
The green roof energy calculator is an online tool that allows users to compare the annual energy performance of a building with a vegetative green roof to the same building with either a dark roof or a white roof.
Simulations are available for new construction ashrae 90 1 2004 and old construction pre ashrae 90 1 2004 office and residential buildings driven by typical precipitation and.
After start of calculation the warning explicit radiation balance disabled but inclination is e g 2 appears this warning can be ignored for the calculation of a green roof with the generic model.
So the calculation becomes.