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Usually Ships Next Day
Transit time is determined by shipping method and destination. Most orders will ship via FedEx or UPS Ground. If an item is out of stock or will require significant lead time we will contact you. Same-Day shipping cutoff time is 12:00 pm EST. Please see our Shipping Info page for more details. You can also CHAT WITH US to determine Shipping Estimates for your specific Items.
Can be surface applied or semi-mortised
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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.
Meets ANSI Standard S12.60-2002, Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools
Drop-bar seal actuation mechanism (all models) ensures hinge-side actuation, preventing seal skidding and door hang up during closure
End plate kits are included. Replacement part is K4133C or K4133D
Certifications:
GREENGUARD Gold Certified
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