Browse Forums Windows & Doors Hi, I have an area of zincalume cladding encasing a number of external downpipes. Unfortunately one of them has been permanently stained by some diluted phosphoric acid -… 0 907 Building Standards; Getting It Right! AS2047 Section 6 Page 31 speaks to Construction/Tolerances of Windows and external glazed doors in buildings Check also New South Wales Guide to Standards and Tolerances,… 12 24830 920 was enough to get the furniture in. We live in a pretty safe area and it’s great to see people walking to the front door. We’re not too fussed about people… 4 1516 |