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Quick Overview
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Can be surface applied or semi-mortised
- Used for general purpose gaskets, weatherstripping for windows and doors, and commercial glazing seals
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Pemko STC4131 Acoustic Automatic Door Bottom
The STC4131 Automatic Door Bottom is a high-performance solution for acoustic openings. It has been independently tested and meets ANSI standards for acoustical performance. The door bottom features a smooth action positive seal mechanism and is easy to install.
- Independent testing has shown that the STC Series Automatic Door Bottom has "sealed-in-place" type performance
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Meets ANSI Standard S12.60-2002, Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools
- Smoother action positive seal mechanism: Aluminum case encloses a movable drop-bar seal actuated by a jamb-contacting plunger during door closure, providing an effective seal
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Drop-bar seal actuation mechanism (all models) ensures hinge-side actuation, preventing seal skidding and door hang up during closure
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End plate kits are included. Replacement part is K4133C or K4133D
Certifications:
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GREENGUARD Gold Certified
- UL 1784 - Standard for Air Leakage Tests of Door Assemblies and Other Opening Protectives
- Environmental Product Declaration (EPD)
- UL 10C - Standard for Positive Pressure Fire Tests of Door Assemblies
- ASTM E-283-04 (2012)
- ASTM E 90-2009
- ANSI/BHMA A156.22 Door Gasketing and Edge Seal Systems
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