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Pemko S771 Self-Adhesive Astragal Meeting Stile Seal 7/16"; x 9/32"; Fire Rated
Professional Sound Attenuation and Weatherization Solution
The Pemko S771 Self-Adhesive Astragal Meeting Stile Seal delivers professional-grade sound attenuation and weatherization for pairs of doors. This high-quality silicone seal measures 7/16"; wide by 9/32"; high and maintains flexibility between -58�F and 450�F with excellent resistance to compression set. Available in 7-foot minimum lengths up to 30-foot maximum lengths, the T-shaped seal provides Category H and J fire ratings for various door assemblies.
Professional Features & Benefits
- Dimensional Specifications: 7/16"; width by 9/32"; height T-shaped profile designed for meeting stile and astragal applications on door pairs.
- Extreme Temperature Performance: Maintains flexibility from -58�F to 450�F with high resistance to flex fatigue and low closing force requirements.
- Fire-Rated Construction: Category H gaskets rated for steel frames and doors up to 3 hours, wood/composite doors up to 1.5 hours, and wood core doors for 20 minutes with UL 10C certification.
- Universal Door Compatibility: Suitable for glass, metal, or wood doors in single or double active configurations with non-handed installation.
- Self-Adhesive Installation: Pre-cut strips install easily with household scissors, requiring no mechanical fasteners and field-cuttable to required lengths.
- Multi-Function Performance: Prevents heat loss, slows smoke passage, provides weatherization, and reduces interior and exterior noise transmission.
- Professional Certifications: GREENGUARD Gold Certified, UL 1784 air leakage tested, ASTM E-283-04 and E90-2009 compliant, BHMA A156.22 certified.
- Flexible Length Options: Available in lengths from 7-foot minimum to 30-foot maximum for various door configurations and project requirements.
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Fire Rating Compliance
The S771 provides Category H gasket performance for steel frames and classified steel covered composite or hollow metal doors rated up to 3 hours, wood and plastic covered composite doors up to 1.5 hours, and wood core doors for 20 minutes without hose stream. Category J gasket ratings apply for similar door assemblies with equivalent time ratings, ensuring comprehensive fire protection compliance.
Why Choose Pemko Quality?
Pemko astragal seals deliver professional-grade performance with high-quality silicone construction that withstands extreme temperatures and maintains low closing force requirements. GREENGUARD Gold certification and comprehensive UL testing including UL 10C positive pressure fire testing ensure reliable performance in demanding commercial applications. The combination of sound attenuation, weatherization, and fire rating capabilities makes this an essential component for professional door installations.
Product Documentation & Resources
Manufacturer Resources
Product Specs
- Features:
- Low Closing Force; Prevent Heat Loss
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Astragals, Gaskets and Weatherstripping
- Product Type:
- Astragals
- Subcategory:
- Astragals
- UL Listing Type:
- Air Infiltration Tested; Intertek Testing (Warnock Hersey); Sound Tested- ASTM E90; BHMA Certified; Smoke Tested- UL1784; Fire Rated UL10C- Positive Pressure; Underwriters Laboratory 4L10; Greenguard Gold Certified
- Product Model:
- S771
- Product Length:
- 7 FT
- Product Dimension:
- W: 7/16", H: 9/32"
- Product Substrate:
- Aluminum
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware