Glazing Volume One M2 2009

This Glazing Calculator has been developed to assist users with calculations required by the energy efficiency Deemed-to-Satisfy Provisions for BCA 2009, Volume One.

GDO (Gutters, Downpipes and Overflow) Calculator

The Gutters, Downpipes and Overflow (GDO) Calculator assists in developing a better understanding of the NCC Volume Two Part 3.5.3 Gutters and Downpipes Acceptable Construction Practice (ACP) provi