Pemko S771D Silicone Astragal & Meeting Stile Gasket - 84" Dark Brown

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19.06



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Pemko S771D Silicone Astragal & Meeting Stile Gasket - 84" Dark Brown

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Pemko S771D Adhesive Silicone Astragal/ Meeting Stile Gasketing, Dark Brown, 84" Length

19.06 19.06 USD 19.06

19.06

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  • Gasketing Set Size
  • Brand
  • Mounting Type
  • Fire Rated
  • Smoke Rated
  • Sound Rated
  • Insert Material
  • Insert Material
  • Gasketing Finish
  • Weatherstripping Type

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Pemko S771D Silicone Astragal & Meeting Stile Gasket - 84" Dark Brown


The Pemko S771D is a professional-grade, Self-Adhesive Silicone Gasket engineered for use as an astragal or meeting stile seal on pairs of doors. Finished in a discreet Dark Brown (D), this 84-inch (7 ft) strip creates a tight, flexible barrier that significantly reduces sound transmission, prevents heat loss, and slows the passage of smoke. Manufactured from high-quality silicone, the S771D offers superior resistance to "compression set"—ensuring the seal bounces back after every opening—and maintains its integrity under extreme temperature fluctuations.

Institutional Grade Features

  • Advanced Material Performance: Remains flexible in extreme environments ranging from -58°F to 450°F, ensuring a low closing force and consistent seal in both walk-in freezers and high-heat mechanical rooms.
  • Fire & Life Safety Certified: UL10C Positive Pressure rated, making it suitable for steel doors rated up to 3 hours and wood/plastic composite doors rated up to 1-1/2 hours.
  • Acoustic & Thermal Shield: Designed for superior sound attenuation and weatherization, acting as a thermal break to reduce energy costs and improve occupant comfort in LEED-certified buildings.
  • Flex Fatigue Resistance: Engineered to withstand hundreds of thousands of cycles without cracking or losing its shape, providing a long-term solution for high-traffic entryways.
  • Easy Field Installation: Features a high-bond adhesive backing for quick application without the need for mechanical fasteners. The 84" length can be easily trimmed to fit standard or custom door heights.

Technical Specifications

  • Manufacturer: Pemko (ASSA ABLOY)
  • Model Number: S771D (Dark Brown) / S771C (Clear)
  • Length: 84" (7 Feet)
  • Material: Siliconoseal (High-Grade Silicone)
  • Fire Rating: UL10C - Category H & J
  • Standards: Meets UBC 7-2 (1997) Part II for positive pressure openings.

Gasketing Set Size 7 ft roll
Brand Pemko
Mounting Type Adhesive Applied
Fire Rated Fire Rated
Smoke Rated Smoke Rated
Sound Rated Sound Rated
Insert Material Silicone, Single Fin
Gasketing Finish Dark Brown
Weatherstripping Type Astragal

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