More than happy and I am about to get more secondary double glazing and several polycarb replacements for the greenhouse. We offer glazing from 4mm to 8.8mm so you're able to customise your removable raise out window for thermal and also acoustic overall performance. Pick from above 200 exclusive RAL https://corporate-photography64193.amoblog.com/the-retrofit-double-glazing-in-london-sw1v-diaries-48104952