Description
Pemko S771 Self-Adhesive Astragal Meeting Stile Seal
The Pemko S771 Self-Adhesive Astragal Meeting Stile Seal provides sound control and smoke protection for pairs of doors. Specifically, it installs at the meeting stile to reduce noise, slow smoke passage, and minimize heat loss, thereby improving energy efficiency and door performance.
Made from high-quality silicone, it stays flexible from -58°F to 450°F and resists compression set, ensuring long-term durability with low closing force. Additionally, the self-adhesive backing allows quick installation, and you can easily trim it to fit glass, metal, or wood doors with square, bevel, or bullnose edges.
Key Features
- .438″ silicone “T”-shaped meeting stile/astragal seal
- Self-adhesive backing for quick, tool-free installation
- Reduces interior and exterior noise
- Slows smoke passage and improves weather sealing
- Prevents heat loss between door pairs
- Extremely low closing force
- Flexible from -58°F to 450°F
- Resistant to compression set and flex fatigue
- Available in five silicone colors
- Can be field cut to size
Specifications
- Material: High-quality silicone
- Mounting Type: Self-adhesive
- Application: Meeting stile / astragal
- Door Edge: Square, bevel, bullnose
- Handing: Non-handed
- Overall Height: 9/32″
- Length Range: 7′ minimum to 30′ maximum
- Weight: 0.02 lbs
⚠ Storage Requirement: Must be used within 6 months of purchase and stored between 50°F and 100°F.
Certifications & Compliance
- UL 1784 – Air Leakage Tests
- UL 10C – Positive Pressure Fire Tests
- ASTM E-283-04 (2012)
- ASTM E 90-2009
- ANSI/BHMA A156.22
- GREENGUARD Gold Certified
- Environmental Product Declaration (EPD)
The Pemko S771 delivers reliable sound attenuation, smoke control, and weather sealing in commercial door applications, making it an ideal solution for meeting stile and astragal installations.












Reviews
There are no reviews yet.