0

Your Cart is Empty

Bulk Order Discounts

Take advantage of volume discounts on our Aluminum Trim Products:

  • 1-9 Pieces: List Price
  • 10-39 Pieces: 5% Discount
  • 40 Pieces and Up: 10% Discount

For large orders, contact Tread-Ware for additional details and to place your bulk order.

Custom Sizes and Colors Available

At Tread-Ware, we understand that every project has unique requirements. Our Aluminum Diamond Plate Trims are available in custom sizes and colors, so you can choose a piece of trim that complements your specific aesthetic and functional needs. Contact us for more information.

Overview

Our industrial-grade aluminum thresholds provide a rugged, high-performance solution for bridging same-level flooring transitions while delivering exceptional wear resistance. Engineered to provide premium edge protection in high-traffic environments, these heavy-duty dividers serve as a superior alternative to flimsy rubber transitions. This system represents a massive durability upgrade over easily cracked or worn traditional entryway materials.

Fabricated as a high-strength heavy-duty floor transition strip, this setup easily guarantees a smooth, safe transition for heavy rolling toolboxes and pallet jacks. It also effortlessly shrugs off the intense daily punishing forces of heavy foot traffic. Our versatile metal threshold plate configurations establish a clean perimeter whether you require an unyielding barrier for industrial bays or commercial entryways.

This specialized door threshold setup completely protects raw floor junctions before structural deterioration can start. Each section of our hardware is meticulously fabricated from premium heavy-duty 3003 aluminum alloy sheet metal. This high-grade material ensures your doorstep threshold plate will never crack, warp, rot, or splinter under heavy machinery loads.

Choose our signature, high-traction diamond plate pattern for an undeniably rugged industrial aesthetic. Alternatively, select our classic mill finish smooth plate face for a more refined modern minimalist look. To eliminate dangerous trip hazards, every metal threshold strip features a precise, dual-sided ¾" bevel angled at 45 degrees.

The intentional bevel works continuously to bridge the gap smoothly between distinct surfaces like wood tile, plush carpet floor, or smooth vinyl floor. Available in 4" and 6" widths and convenient 48" and 72" lengths, these versatile door threshold plates fit flush over wood or concrete subfloors. Our standard catalog offers a stunning mirror-polished face alongside rugged colored powder coatings.

While this solid aluminum plate works perfectly as a standalone aluminum garage door threshold, it can easily be paired with aftermarket rubber garage door threshold seals or bottom insert seals if your layout requires a completely tight seal. If your architectural blueprints specify specialized custom dimensions or alternative finishes, please contact our team for custom fabrication runs. Rely on Tread-Ware's authentic door threshold trim to secure your facility with professional-grade strength.

Features

Specifications

  • Material: Heavy-Duty 3003 Aluminum Alloy (Available in Slip Resistant Diamond Plate or Clean Smooth Plate), engineered for extreme structural load capacity.
  • Primary Target: Premium aluminum thresholds for flush, same-level floor transitions.
  • Width Options: 4" and 6" total plate footprints to cover standard and extra-wide threshold gaps.
  • Length Configurations: 48" and 72" standard cuts designed for simple field modifications.
  • Edge Geometry: Integrated ¾" bevels on both sides, angled at a clean 45 degrees to ensure safe rolling transitions.
  • Installation Method: Can be drilled and trimmed on-site using standard tools; secures via countersunk masonry anchor bolts, construction screws, or heavy-duty subfloor adhesive (fasteners sold separately). Please note that if you are building an exterior entryway system that requires a rubber kit, this industrial floor plate includes the metal doorstep threshold plate only; rubber weatherproofing seal kits are not included.
  • Applications: Ideal for exterior doors, garage door thresholds, commercial entryway doors, warehouses, workshops, and transitions between wood tile, carpet floor, or vinyl floor materials.
  • Brand: Tread-Ware — the industry benchmark for heavy duty flooring transition trim solutions.
  • Warranty: 1-Year Limited Warranty.

Mounting Hardware (Sold Separately)

Stainless Steel Flat Head Screws

Stainless Steel Flat Head Screws

Secure your Tread-Ware with these stainless steel screws. An easy way to secure your parts and ke...

Stainless Steel Pan Head Screws

Stainless Steel Pan Head Screws

Secure your Tread-Ware with these stainless steel pan head screws. An easy way to secure your par...

Gorilla Heavy Duty Construction Adhesive

Gorilla Heavy Duty Construction Adhesive

Make installation easy with these fast holding adhesives. These construction grade adhesives, wor...

Reviews

Watch Our Aluminum Thresholds in Action!

See how our aluminum thresholds bridge same-level surfaces to create a smooth, durable transition between rooms and floors. This short video breaks down easy cutting tips, surface mounting techniques, and demonstrates how our heavy duty metal threshold plates withstand weights in garages, shops, and commercial entryways.

Video Overview

FAQs About Our Aluminum Thresholds

How to install an exterior door threshold plate on a concrete floor?

To install an aluminum threshold over a concrete subfloor, first trim your threshold plate to the exact width of your door casing using a miter saw fitted with a non-ferrous metal blade. Lay the plate down, trace the factory mounting holes onto the concrete, move the strip, and use a hammer drill with a masonry bit to create your pilot holes. Clear out the dust, place the threshold metal strip back into position, and drive countersunk masonry anchor bolts or concrete screws tight for a permanent, shift-free fit.

Can this metal threshold withstand vehicle traffic in a garage or workshop?

Absolutely. Because our thresholds are fabricated from heavy-duty 3003 aluminum alloy sheet metal, this solid aluminum plate is specifically engineered to withstand weights from heavy vehicles, rolling toolboxes, and industrial carts without crushing or bending. The dual 45-degree beveled edges allow tires to transition over the plate smoothly, making it an excellent aluminum garage door threshold choice.

How do you install a threshold plate over a laminate or wood tile floor?

To install the door plate threshold where wood tile, laminate, or vinyl floor panels meet a doorway, center the metal threshold plate directly over the seam or expansion gap. Ensure the plate sits completely flat. Drill pilot holes into your wood subfloor or framing sill, then secure the plate using flat head wood screws. For a fastener-free face, you can also secure it down firmly using a high-strength polyurethane construction adhesive.

Does this door threshold trim include rubber garage door threshold seals?

Please note that our product is a heavy-duty, solid aluminum doorstep threshold plate designed to provide structural edge protection and a smooth physical transition. It does not include soft rubber insert pieces or weatherstripping. However, because of its flat 4" or 6" profile, it functions as an exceptional, unyielding base that can easily be paired with aftermarket rubber garage door threshold seals or bottom insert seals if your layout requires an absolute airtight, weatherproof seal kit.

What tools are needed to cut and modify this threshold metal plate?

Modifying our door threshold trim on-site is highly straightforward. To customize your 48" or 72" track, clamp the metal firmly to a stable workbench. Use a standard compound miter saw equipped with a sharp carbide saw blade designed explicitly for cutting non-ferrous aluminum trims, or use a fine-toothed hand hacksaw. Always cut with a slow, steady stroke, and use a fine metal file to remove any sharp burrs left on the cut edges.

Aluminum Thresholds

48" or 72"

Length

Heavy-Duty 3003 Aluminum Alloy

Material

1-Year Limited Warranty

Warranty

Highlighted Features

Width Options

Available in 4" or 6" widths to deliver the exact surface coverage your door threshold layout requires.

Length Options

Choose from standard 48" or 72" cuts to span residential entryways, commercial doorways, and wide garage bays seamlessly.

Dual Beveled Design

Features a balanced ¾" bevel on both sides angled at a precise 45 degrees, creating a smooth, safe transition for foot traffic and wheels.

Expand

Width - Length
Style
Color
Polished
Black
Gray
Red
Blue
Yellow
White
Brown