balanced sash

balanced sash

[′bal·ənst ‚sash]
(building construction)
In a double-hung window, a sash which opens by being raised or lowered and which is balanced with counterweights or pretensioned springs so that little force is required to move the sash.

balanced sash

In a double-hung window, a sash which opens by being raised or lowered and whose weight is balanced with counterweights or with pretensioned springs so that little force is required to lift the sash.
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At ground level on this Portland Street side, there are now upmarked, canopied entrance doors in classic panelled style with understated coach lanterns and nicely balanced sash windows to complement the original tall arches of the upstairs.
House Design Awards: Praise from conservationists

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