The Pemko PK33W Adhesive Perimeter Gasketing - 3/8" Width, 3/16" Height, Fire-Smoke Seal, Weatherstripping, The Pemko PK33W offers a variety of adhesive-backed smoke and fire gasketing and edge sealing systems, including SiliconSeal, PemkoPrene, silicone triple-fin gasketing, Hot Smoke Seal intumescent edge sealing for Category B doors and combination fire and smoke gasketing. Adhesive-backed material installs easily to the door frame

Features:

• Excellent resistance to compression set, particularly at elevated temperatures and for extended periods of time
• Stays flexible between -40 degrees (F) and 250 degrees (F) with very high resistance to flex fatigue
• Outstanding ozone resistance rating
• Designed for tighter frames
• Demonstrates extremely low closing force
• Seal begins compressing at 3/16"; compresses to seal up to a 1/16" gap