Hager 747S-N 36" Automatic Heavy Duty Door Bottom with Surface Applied End Caps and Neoprene Insert

Hager 747S-N 36" Automatic Heavy Duty Door Bottom with Surface Applied End Caps and Neoprene Insert

Professional Automatic Door Sealing Solution

The Hager 747S-N automatic heavy duty door bottom provides reliable sealing for commercial applications with its 36" length and surface-applied design. This UL listed door bottom features a neoprene insert for effective sealing with a maximum drop of 3/4" (19.1 mm) and compact 7/8" x 1-13/16" (23 mm x 47 mm) profile dimensions. The unit comes complete with surface applied end caps and all necessary mounting hardware for professional installation.

Professional Features & Benefits

• Precise Length Options: Available in lengths from 12" to 60" with this 36" model furnished to exact specifications for accurate fit.
• Flexible Trimming Capability: Lengths 30" and longer can be trimmed up to 5" for field adjustment and custom applications.
• Maximum Sealing Drop: 3/4" (19.1 mm) maximum drop provides effective sealing against air, sound, and light infiltration.
• Compact Profile Design: 7/8" x 1-13/16" (23 mm x 47 mm) size accommodates standard door applications without interference.
• UL Listed Fire Rating: UL listed construction meets fire safety requirements for commercial building applications.
• Complete Hardware Package: Includes surface applied end caps, #8 x 1/4" pan head sheet metal screws, and all mounting accessories.
• Durable Neoprene Insert: Neoprene sealing element provides long-lasting performance and effective environmental sealing.
• Manufacturer Warranty: Five-year warranty provides added confidence and protection for commercial installations.

Technical Specifications

• Commercial/Residential: Commercial
• Fasteners: #8 x 1/4" Pan head sheet metal screws furnished with surface mount types #6 x 5/8" Pan head sheet metal screws furnished with mortise types
• Finishes: CLR, DBA, BLA
• Fire Rating: UL Listed
• Inserts: Neoprene
• Length: 12" to 60"
• Max Drop: 3/4" (19.1 mm)
• Notes: Furnished exact length as stated; Lengths 16"-29" can be trimmed up to 2"; Lengths 30" and longer can be trimmed up to 5"; Furnished with mortise types and surface mount types; DBA/GLD end caps available on MIL and CLR finish; Accessory Pack includes endcaps, screws, strike plate, and instructions
• Size: 7/8" x 1-13/16" (23 mm x 47 mm)
• Subcategory: Door Thresholds
• Warranty: Five-Year Warranty

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness and clearance for the 7/8" x 1-13/16" profile dimensions.
2. Position the door bottom on the door surface and mark mounting hole locations using the provided template or by measuring from the end caps.
3. If field trimming is required, trim up to 5" from the specified 36" length following manufacturer guidelines for proper end cap positioning.
4. Secure the unit to the door using the provided #8 x 1/4" pan head sheet metal screws, ensuring proper alignment and level installation.
5. Install the surface applied end caps and verify proper sealing contact with the threshold or floor surface.
6. Test automatic operation by opening and closing the door to verify the neoprene insert properly extends and retracts with door movement. Refer to manufacturer documentation for complete installation details and adjustment procedures.

Professional Applications

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

Why Choose Hager Quality?

Hager automatic door bottom products deliver professional-grade reliability with UL listed construction and precision-manufactured components rated for demanding commercial applications. The five-year warranty demonstrates Hager's commitment to quality and provides added confidence for professional installations. Engineered with durable neoprene sealing elements and heavy-duty construction where dependable environmental sealing performance is essential.

Support Resources

• Thresholds & Weatherstripping Catalog 2024 (PDF)
• 736 Press-On Weatherstrip Installation Instructions (PDF)
• Thresholds & Weatherstripping Price Book 2025 (PDF)