Building Technology Calculators

Jonathan Ochshorn

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IBC 2006–2015 Allowable Area Calculator: Calculates allowable areas, heights, and stories after entering values for occupancy class, construction type, sprinklers, and proposed number of stories. Recently updated!


Efficiency of tapered insulation calculator: Calculates the true efficiency of tapered roof insulation assemblies. A roof heat loss calculator based on the true efficiency of tapered insulation is also available.


IBC 2012 Hole in floor calculator: Calculates the viability of placing a hole in a building floor, based on the 2012 International Building Code (IBC). A more detailed discussion of the topic is also available. Also see the 2009 IBC version.