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NGP 437DKB Flat Saddle Threshold 7" Wide x 1/4" High | Dark Bronze
The National Guard Products NGP 437DKB is a commercial-grade flat saddle threshold, 7" wide by 1/4" high, extruded from 6063-T5 aluminum with a fluted top for slip resistance. Its ADA-compliant low profile makes a smooth, barrier-free transition at commercial door openings while protecting the floor line and sealing the gap beneath the door.
ADA-Compliant, Barrier-Free Design
At just 1/4" high, the NGP 437DKB provides an ADA-compliant transition that meets the ADA Standard for Accessible Design and ICC/ANSI A117.1.
Fire-Rated & Positive-Pressure Certified
The NGP 437DKB is UL certified to CAN/ULC-S104 and ANSI/UL10B, and positive-pressure certified to ANSI/UL10C - complying with NFPA 80 and NFPA 252 for hollow metal fire doors rated up to 3 hours and wood fire doors rated up to 90 minutes.
BHMA Certified & Load Tested
Certified to ANSI/BHMA A156.21 with a 1,000 lb. load test and listed in the BHMA Certified Products Directory - built for high-traffic commercial entryways.
Technical Specifications
| Model | NGP 437DKB |
| Type | Flat Saddle Threshold |
| Width | 7" |
| Height | 1/4" |
| Material | Extruded Aluminum Alloy 6063, T5 Temper |
| Finish | Dark Bronze |
| Wall Thickness | 0.125" |
| Weight | 0.99 lbs./ft. |
| Fasteners | #10 x 1-1/2" FH Zinc Plated Wood Screws (included) |
| Available Lengths | 36", 48", 72" |
| Certifications | ADA, ANSI/BHMA A156.21, UL10B, UL10C (positive pressure) |
Ordering & Lead Time
Made to order (not stocked). Lead time: 5-7 business days.
| Length | 36 Inch or 48 Inch or 72 Inch |
| Brand | National Guard Products |
| Threshold Grade | Commercial- Standard |
| Threshold Type | Flat Saddle |
| Threshold Width | 7" |
| Threshold Height | 1/4" |
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