Measure the width and the peak in 3 distinctive sites, as shown. Measure the inside window opening to one/sixteenth of the inch. My husband and I can ultimately snooze all evening devoid of remaining wakened by outside noise! Indows are game changers if you reside on a chaotic street, https://fire-ratedsecondaryglazin92345.theblogfairy.com/34363519/top-sound-insulation-windows-secrets