Sound Transmission Control (STC)

• Reduces sound transmission up to STC 44
• Tested in accordance with ASTM E90-90
• Sound seals, automatic door bottoms and threshold required
• Interior and exterior use
• Frame must be solid grouted by others
• 18-gauge steel standard
• Rust inhibitive prime coat ANSI/SDI A250.10-1998

MATERIAL OPTIONS

• 16-gauge and 14-gauge steel�
• Available in 304 or 316 alloys
• Stainless steel

HARDWARE REINFORCEMENTS

• 3/16� for hinges
• 14-gauge for locks ? standard
• 14-gauge for closers � standard
• Heavier gauge reinforcements available

USES

• Convention rooms, board rooms, executive offices, schools, hospitals and sound studios

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