Pemko 321CN Fire Rated Door Bottom Sweep w/ Neoprene Insert, Satin Aluminum Finish

Pemko 321CN Fire Rated Door Bottom Sweep, Neoprene Insert, 1" Profile Height, 3/16" Width, 1-15/16" Total Height with Insert, Satin Aluminum Clear Anodized Finish

**Extra Shipping Charge for Oversized Item is required in order to ensure that it will arrive undamaged**

The 321 Series Surface Plate Neoprene Door Sweep is designed to provide insulation and prevent the infiltration of moisture, fire, smoke, sound, and light. It features a .938" neoprene extrusion, which is smoke, fire, and air infiltration rated. The 1" aluminum anodized casing creates a seal between the door bottom and the floor surface. Available in different anodized finishes and custom cut to size.

Features
• Synthetic rubbers produced by polymerization of chloroprene
• Good chemical stability and resistance to sunlight, ozone, oxidization, and water
• Maintains flexibility over a wide range of temperatures
• Excellent resistance to weather
• Exhibits resistance to moderate chemicals, acids, oils, and solvents, but not recommended in situations where esters, ketones, and many hydrocarbons are present
• Used for weatherstripping for fire doors

Benefits
• Reduces the infiltration of light, air, wind, rain, and snow; prevent heat loss; and control the penetration of smoke and fumes
• Outstanding resistance to abrasion, hydraulic fluids, alkalis, heat, ozone, weather
• Resistant to polar substances and steam

Specifications
Base Material: Aluminum, Stainless steel

Minimum Length: 24"

Profile Height: 1"

Width: 3/16"

Total Height with Insert: 1-15/16" 

Certifications
• UL 1784 - Standard for Air Leakage Tests of Door Assemblies and Other Opening Protectives
• UL 10C - Standard for Positive Pressure Fire Tests of Door Assemblies
• ASTM E-283-04 (2012)
• ANSI/BHMA A156.22 Door Gasketing and Edge Seal Systems

Model: Pemko 321CN 36, 321CN 48