In modern sash windows, you're additional very likely to locate a spring stability (or sash harmony) process. It is a spring-loaded product which counters the pressure of gravity, in result Keeping your sash window open up with no want for cords, pulleys and those metallic counterweights.  All timber windows require https://bearbrick14691.wizzardsblog.com/35489452/how-sash-windows-can-save-you-time-stress-and-money