Beware of unglazed Residence 9 windows

摘要

If you're a window industry veteran like me, chances are you'll remember the 'pinking profile' issue that arose during the late 80s and early 90s. As systems companies fought for better margins they 'value engineered' their formula, taking out essential components that resisted UV attack. The net result was profile discolouration and it severely damaged the reputation of the PVC-U window and door industry, costing installers millions in the process.