Details: NGP 178S Overlapping Astragal with Silicone Seal

Features

Aluminum alloy 6063, T5 temper
Synthetic rubber polymer: Siloxane
Excellent flexibility and memory
Flame resistant
Moisture resistant
Temperature range -100°F to 500°F, remains flexible at extreme temperatures
Excellent resistance to ozone, UV and aging
Recommended for areas using FM200 or Halon Fire Suppression Systems
BHMA Certified to ANSI/BHMA A156.22 performance tests for heat, cold, air infiltration and smoke infiltration
Maximum height 120"
#10 × 3/4" SMS furnished
Silicone is black
Anodized aluminum

AIR INFILTRATION TESTED to ASTM E283, Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors.
ANSI/BHMA CERTIFIED. Certified Gasketing complies with American National Standard for Door Gasketing and Edge Sealing Systems ANSI/BHMA A156.22 and is listed in the BHMA Certified Products Directory.

	Post-Consumer Recycled %	Pre-Consumer Recycled %
Aluminum Thresholds, Rain Drip Guards	18%	49%
Architectural Bronze Thresholds, Rain Drip Guards	70%	25%
Stainless Steel Thresholds, Rain Drip Guards	25%	3%
Rubber Ramps	0%	0%
Gasketing with Aluminum Retainers	13%	37%
Gasketing with Bronze Retainers	52%	19%
Gasketing with Stainless Steel Retainers	19%	2%
Self-Adhesive Gasketing	0%	0%
Finger Guard 2248	13%	37%
Finger Guard 2252	0%	0%
Metal Edge/Astragal sets (Steel)	25%	3%
Lite Kits & Louvers (Steel)	15%	5%
Aluminum Lite Kits & Louvers	18%	49%
Stainless Steel Lite Kits	25%	3%
Continuous Geared Aluminum Hinges	18%	49%
Stainless Steel Continuous Hinges	25%	3%