NW ACOUSTICAL 645
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NW ACOUSTICAL 645 STC 45 FOLDING GLASS WALL SYSTEM NW Acoustical 645 is the first floor supported folding glass wall able to achieve unprecedented sound control up to an impressive unit STC 45. This system combines sleek acoustically separated aluminum framing and specialized gasketing with sound-enhanced glass to achieve optimal performance with the range from unit STC 32 up to unit STC 45—all while allowing maximal transparency and natural daylight to flood interior spaces. NW Acoustical 645 is specifically engineered for educational applications and for interior spaces where acoustical privacy and ease of use are of utmost concerns. Folding Glass Walls by NanaWall

FLOOR SUPPORTED FOLDING NW Acoustical 645 is the only floor supported folding opening glass wall to achieve unit STC 45 for the educational and interiors market. With floor supported systems, the main weight of the unit is carried by the lower stainless steel wheel assembly gliding on top of the stainless steel floor track. Floor supported systems are ideal for applications where load-bearing capability of the header is a concern. MINIMAL SIGHTLINE EQUALS INCREASED TRANSPARENCY TWO SILL OPTIONS FOR SEAMLESS INTEGRATION Two sill options are available: Flush and Minimal Surface Mounted Flush....

NW Acoustical 645 TYPE OF TEST RESULTS STC (Rw) 33 and OITC 27 achieved with STC 32 glass (15/16" [24 mm] double IGU, 4 mm tempered + 4 mm tempered) Acoustical Performance STC (Rw) 38 and OITC 32 achieved with STC 39 glass (1 1/8" [28 mm] double IGU, 6 mm laminated + 6 mm tempered) STC (Rw) 45 and OITC 37 achieved with STC 48 glass (1 7/16" [36 mm] double IGU, 12 mm enhanced laminated + 8 mm enhanced laminated) with head track recessed  Excerpts of results of a three panel unit 9' 10" W x 8' 2" H (3000 mm x 2500 mm) tested in December 2017 by SG Bauakustik, Muelheim an der Ruhr, Germany,...