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NAAMM HMMA 865-13
- Guide Specifications for Sound Control Hollow Metal Doors and Frames
- standard by National Association of Architectural Metal Manufacturers, 02/27/2013
- Publisher: NAAMM
$13.00$25.00
This specification is comprehensive in regard to steel swinging sound control doors, door frames, sidelight, transom, borrowed light and fixed and operable window assemblies. It does not cover sliding sound control doors or other related components. Due to the complexity of the field of acoustics, it is advisable to retain an acoustical consultant or acoustician.
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