The gasket is also listed for use with both wood and metal acoustical doors with fire listings ranging from 20 to 90 minutes under both negative a positive-pressure testing standard. It is exceptional engineering, design features, and performance have made the #770 our long-time favorite for acoustical engineers and specifier.
- UL Rated
- Aluminum Finish
- Solid neoprene seal – weatherproof and remains flexible in extreme temperatures.
- Fully Adjustable upto .3 inches
- Installed as surface mounted
- Easily Trimmable
- Width: 7/8″
- Depth: 1 1/2″
- Size: Standard 3′ 0″ x 6′ 8″ Door Opening
- Finish: Brushed Aluminum
- Gasket: Premium Sponge Neoprene
Positive Pressure Tested Gasket Material for Fire Doors. Intended for Application to/with listed steel covered composite, hollow metal type fire doors rated up to 3 hours, wood and plastic covered composite type fire doors rated up to 1 1/2 hours and wood core type fire floors rated up to 20 minutes. Also classified in accordance with UBC 7-2, Fire Tests of Door Assemblies (1997).
Meets UL10B, UL10C and UBC 7-2 (1997) part 2 Category H. Can use on ‘S’ Labeled doors. 17L5
The experts at Soundproofing Company have created detailed step-by-step instruction manuals which are included with every purchase.