Don-Jo 3324 Surface Overhead Stop for 36" Door, Satin Stainless Steel

Don-Jo 3324 Surface Overhead Stop for 36" Door, Satin Stainless Steel

The Don-Jo 3324 is a heavy-duty, non-handed surface overhead stop engineered for 36" door applications, compatible with butt-hung doors from 36" to 48" and center-hung doors from 39" to 48". Constructed from durable stainless steel with a 630 Satin Stainless finish, this single-acting stop is suitable for both interior and exterior doors. UL listed for up to 90 minutes on wood fire doors and up to 3 hours on metal fire doors, the 3324 delivers reliable performance in demanding commercial environments. Standard installation accommodates door opening ranges from 85 degrees to 110 degrees.

Key Features

• Door Size Compatibility: Designed for 36" door size, with butt-hung compatibility from 36" to 48" and center-hung compatibility from 39" to 48" for versatile installation options.
• Frame Opening Size: Accommodates frame openings of 42" to 43-15/16" for precise fit in commercial door frames.
• Heavy-Duty Construction: Built from stainless steel with a 630 Satin Stainless finish, providing exceptional corrosion resistance and long-term durability for interior and exterior applications.
• Non-Handed Design: Universal, non-handed configuration simplifies specification and installation without the need to determine door handing.
• Single-Acting Operation: Single-acting mechanism provides controlled stop function with standard installation range from 85 degrees to 110 degrees of door opening.
• Fire-Rated Performance: UL listed for up to 90 minutes on wood fire doors and up to 3 hours on metal fire doors, meeting critical life-safety requirements.
• Interior and Exterior Use: Suitable for both interior and exterior door applications, offering broad deployment flexibility across commercial projects.
• Substantial Build: Average unit weight of 5 lbs reflects the robust, commercial-grade construction of this overhead stop.

Certifications & Compliance

• UL Listed — Up to 90 minutes on wood fire doors
• UL Listed — Up to 3 hours on metal fire doors
• ANSI A156.3 C02541 Compliant
• Commercial Grade

Technical Specifications

• Product Group: Door Controls
• Subcategory: Door Stops & Holders
• Product Subgroup: Overhead Stops and Holders
• Product Type: Door Stops - Surface Stops
• Commercial/Residential: Commercial
• Frame Opening Size: 42" 43-15/16"
• Product Category: Door Controls
• Department: Door Hardware

Typical Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Government and Municipal Buildings
• Multi-Tenant Residential and Mixed-Use Properties

Why Don-Jo 3324?

Don-Jo surface overhead stop products deliver professional-grade reliability through stainless steel construction and a 630 Satin Stainless finish rated for both interior and exterior environments. The 3324 is UL listed for fire-rated door assemblies up to 3 hours on metal fire doors, making it a trusted choice for life-safety-critical commercial applications where dependable, code-compliant performance is essential.