Pemko S773BL Silicone Adhesive-Backed Fire-Smoke Gasketing, 1/2" Width, 3/8" Height, Black Color

The Pemko S773BL is a silicone adhesive-backed gasketing designed to provide reliable fire and smoke protection around door openings. Featuring a durable silicone sponge profile measuring 1/2" wide by 3/8" high, this black gasket compresses to form a tight seal against smoke, drafts, and sound while remaining flexible across a wide temperature range. The pressure-sensitive adhesive backing allows for quick, tool-free installation directly onto the door frame or stop. Ideal for commercial and institutional applications, the S773BL helps buildings meet fire door and smoke control requirements without sacrificing everyday door performance.

Features

• Silicone sponge construction offers long-lasting resilience and consistent sealing performance.
• Pressure-sensitive adhesive backing enables fast, clean installation with no special tools.
• Combines fire and smoke gasketing in a single compact profile.
• Black finish blends discreetly with most door and frame colors.
• Flexible material maintains an effective seal against drafts, sound, and smoke infiltration.

Functional Details

The gasket mounts to the door frame or stop, where its silicone profile compresses when the door closes to create a continuous barrier against smoke and air passage. Under fire conditions, the silicone material resists degradation to help maintain the integrity of the opening.

• Adhesive-backed for surface application to the door frame.
• Silicone material provides fire and smoke sealing performance.