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NGP 430E Saddle Threshold Mill Aluminum 1/2" x 10" with Fluted Top
Professional Door Threshold Solution
The NGP 430E Saddle Threshold delivers commercial-grade door sealing performance with precision-extruded aluminum alloy 6063, T5 temper construction. Measuring 10" wide x 1/2" tall with a fluted top surface for enhanced traction, this threshold features typical wall thickness of .109" and weighs 1.59 lbs./ft. The integrated vinyl foot seal provides superior weather resistance compared to traditional caulking methods, making it ideal for demanding commercial applications.
Professional Features & Benefits
- Precision Dimensions: 10" wide x 1/2" tall profile designed for standard door applications with optimal clearance and weather sealing.
- Heavy-Duty Construction: Aluminum alloy 6063, T5 temper provides exceptional durability and corrosion resistance for long-term performance.
- Enhanced Safety Design: Fluted top surface provides improved traction and slip resistance in high-traffic areas.
- Superior Weather Sealing: Integrated vinyl foot seal delivers enhanced weather resistance compared to traditional caulking methods.
- Professional Installation: Includes #10 x 1-1/2" FH zinc plated wood screws for secure mounting and professional appearance.
- Lightweight Efficiency: At 1.59 lbs./ft., provides optimal strength-to-weight ratio for easy handling and installation.
- Optional Safety Enhancement: SIA slip-resistant finish available for hazardous conditions where safety is a priority.
Technical Specifications
- Commercial/Residential: Commercial
- Department: Door Hardware
- Product Category: Door Trim and Accessories
- Product Group: Door Trim and Accessories
- Product Subgroup: Door Thresholds
- Product Type: Thresholds - Saddle
- Series: Saddle Threshold Series
- Subcategory: Thresholds
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 NGP Quality?
NGP threshold products deliver professional-grade reliability with aluminum alloy 6063, T5 temper construction and precision .109" wall thickness for demanding commercial applications. The integrated vinyl foot seal and fluted top design provide enhanced weather resistance and safety performance where dependable door sealing is essential.
Manufacturer Resources
NGP Threshold Catalog
Product Specs
- Product Group:
- Door Trim and Accessories
- Series:
- Saddle Threshold Series
- Product Subgroup:
- Door Thresholds
- Product Type:
- Thresholds - Saddle
- Subcategory:
- Thresholds
- Commercial/Residential:
- Commercial
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware
NGP 430E-34 – Frequently Asked Questions
1) What lengths does the NGP 430E saddle threshold come in?
The 430E is stocked cut to 36, 42, 48, 72, 74, 82 and 96 inches. The 36 and 42 inch pieces cover single doors, 72 and 74 inch suit pairs, and the 82 and 96 inch lengths are there for wide openings or storefront runs where you want one continuous piece under the opening rather than a butt joint mid-threshold. The extrusion is 10 inches wide and 1/2 inch tall in every length.
2) Is a 1/2 inch high threshold ADA compliant for an accessible entrance?
The 430E stands 1/2 inch tall, which is the maximum change in level ADA allows at a doorway, and only when the portion above 1/4 inch is beveled. Half an inch is right at the ceiling, so on an accessible opening you have no margin left for a raised sill or an uneven slab under it. If you want room to spare, the Pemko 272 Series flat saddle is a 1/4 inch by 6 inch profile and is described as ADA compliant, and the Cal-Royal CR2000 saddle series is likewise an ADA compliant design.
3) Do I still need to caulk under an NGP 430E threshold?
No. The 430E carries an integral vinyl foot seal on the underside, and NGP states it gives better weather resistance than caulking the threshold down. That is the whole point of the foot seal: you set the extrusion on the sill, fasten it, and the vinyl leg takes up the irregularity in the slab instead of a bead of sealant that shrinks and lets water track under.
4) What screws come with the NGP 430E threshold, and will they work on a concrete sill?
Supplied fasteners are #10 x 1-1/2 inch flat head zinc plated wood screws. Those are for wood sub-sills. Setting the 430E into concrete or a masonry slab means drilling and plugging, or swapping to concrete anchors of your own, since the wood screws in the box will not hold in a slab.
5) Will a 10 inch wide threshold fit my door opening?
Ten inches is a wide saddle, and the width is what decides whether it works. It needs 10 inches of bearing across the sill from the exterior edge back into the opening, so it suits an entrance with a deep sill, a recessed vestibule, or an exterior door where you want the threshold running out past the door face for water shedding. On a shallow sill or a tight interior opening 10 inches will overhang. Where you need a narrower footprint, the Pemko 272 Series is a 6 inch wide flat saddle.
6) What saddle threshold should I use on a fire rated opening?
For an opening where the threshold has to carry a fire rating, look at the Cal-Royal saddle thresholds: the CR2000 series is described as fire rated and ADA compliant, and the CR3700 series carries a 3-hour positive pressure fire rating. The NGP 430E is a commercial saddle threshold built around weather sealing - 6063 T5 aluminum, fluted top, integrated vinyl foot seal - so specify it where the requirement is sealing and traffic rather than a rated assembly.
7) Can I cut an NGP 430E saddle threshold down to fit my opening?
Yes. It is a 6063-T5 aluminum extrusion with a uniform 10 inch by 1/2 inch profile down its whole length, so a stock 36 or 48 inch piece cuts to your opening width with a miter saw and a non-ferrous blade, and the profile is identical at the cut. Order the next size up from the opening rather than the next size down. The vinyl foot seal trims with the extrusion.
8) What is the difference between the Cal-Royal CR2000 and CR3700 saddle thresholds?
Both are Cal-Royal saddle threshold series. The CR2000 is described as fire rated with an ADA compliant design, while the CR3700 is described as carrying a 3-hour positive pressure fire rating. If your opening is specified by rating duration and positive pressure, that is the CR3700 language; if the requirement pairs a fire rating with ADA compliance in one part, that is the CR2000 language.
9) For a run of exterior doors across a property, which saddle threshold gives the most walking traction?
The NGP 430E has a fluted top surface for traction and slip resistance, and an SIA slip-resistant finish is offered where conditions call for more. The Pemko 272 is a flat saddle threshold, a smooth crossing rather than a fluted one. If the doors are exterior entries taking weather and foot traffic, the fluted 430E top plus its integrated vinyl foot seal is the profile built for that; the flat 272 suits a low, clean crossing where the 1/4 inch height matters more than surface texture.
10) I need a 74 inch threshold for a pair of doors - do the alternatives cover that width?
The NGP 430E comes cut in 36, 42, 48, 72, 74, 82 and 96 inch lengths, so a 74 inch opening is a stock length rather than a field cut. The Cal-Royal CR2000 and CR3700 and the Pemko 272 are each supplied as threshold series, so confirm the length offered in the series before committing a pair of doors to one of them.
11) Does the NGP 430E come in a finish other than mill aluminum, and will it match my other thresholds?
The 430E ships mill aluminum, the natural unfinished extrusion colour, in every length offered. That is the standard look across commercial saddles, so a building already running mill finish thresholds will match. The one finish variation available on it is the SIA slip resistant treatment for hazardous or wet conditions, which changes the walking surface rather than the colour.
How fast can I get the NGP 430E-34 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the NGP 430E-34 come with a warranty?
Absolutely. The NGP 430E-34 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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