Are the formulae for calculations readily changeable?
We have 4 different calculation methods for sheet areas, 2 for Tiles and 2 for Flat Roofing (EPDM, Membrane, BUR, Single-Ply). Each calculation method has a large range of parameters that can be altered by the user, thereby essentially modifying the calculation method. On top of this, sheeting and flashing allowances also allow for the roof geometry to be re-evaluated and waste options at the conclusion of the calculations can also be used to modify the figures further.