A – pulley. The sash twine serves like a mechanism that facilitates the smooth opening and closing of your sashes by letting them for being counterbalanced versus each other. Caulk windows shut – For those who’ve received a sash window which you don’t use, like the more compact windows over a bay, https://garden-pathway-lights02467.bloguetechno.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-sash-window-draught-proofing-70885500