QUEENS, NY — National manufacturer Crystal Window & Door Systems, based in New York City, has added an outstanding sound reduction window – the AC85 Acoustic Casement Window – to its ever-growing product line. The Crystal AC85 Acoustic Casement Window delivers superior sound attenuation and is increasingly popular in buildings situated near airports, rail lines, highways, heavy-traffic city streets, or other demanding high-noise locations.
The aluminum frame Crystal AC85 Acoustic Window is available in either the combined in-swing/out-swing casement or fixed window styles. The heavy-duty aluminum 7-⅞” depth thermally-broken master frame window features a dual-sash configuration (the interior sash opening in and the exterior sash opening out) capable of delivering impressive acoustical sound reduction ratings of STC 57 and OITC 46.