Tool 6 takes a look at Skylights, Roof Lights, sloped and horizontal glazing covered in the SANS 10400 part XA. It calculates the thermal conductivity of the window/light and works out the max. SHGC and max. U-value allowed in that space, based on Roof light/windows size and build. Get access to SSA licensing folder and help-files.
For more information about Smart-XA visit: http://www.smart-tools.co/smart-xa/