A – pulley. The sash cord serves as a system that facilitates the smooth opening and shutting of your sashes by allowing for them for being counterbalanced versus each other.  To address this, You may use self-adhesive brush seals, such as the Moroday 6 x 7mm x 5m Black MWS8, which may https://hectoroieln.mdkblog.com/41419703/the-sash-windows-diaries