By the flip of that century the double-hung sliding sash was introduced, although it was not commonly adopted right up until the mid eighteenth century. From that time period onward the double hung sash remained common, getting adapted to match varying architectural styles. Although they're going to enable keep warmth https://exteriorpostlight96061.jaiblogs.com/62545442/sash-window-draught-proofing-can-be-fun-for-anyone