4" 3 Hour Vertical Mount Fire Door 2661-20X14 Specialty Products 950 Series Submittal

950 Series Submittal

Damper manufactured from corrosion tested galvanized mild steel (G-90)

Dampers above 80 square inches free area will be provided with blade insulation

Standard Features * Heavy duty 16 gauge steel construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Soft White Options * No mounting holes * For opposed blade damper

1/2” Wide x 1/2” High square holes

4" 3 Hour Vertical Mount Fire Door 2661-20X14 Specialty Products 950 Series Submittalh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"