Standard Construction:
• 16ga galvanized steel – welded
• 17-1/2″ Height 1-1/2″ 3# density rigid thermal and acoustical insulation
• 2×2 non-treated wood nailer
Options:
• Damper tray
• No wood nailer – (deduct 1-1/2″ for actual height)
• Sizes that increase or decrease
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