I produced a number of blunders when measuring, However they check, double Look at and triple Examine ahead of they start producing. The windows glance good and work beautifully. I'd advocate them to any individual. Many thanks heaps to Andrew, Deborah and the rest of the workforce. Good! Products specification https://kameroniquyb.dreamyblogs.com/26710056/new-step-by-step-map-for-noise-reduction-windows-in-notting-hill