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Retail Storefront Doors: What to Specify in 2026How to Become Your Area's Go-To Door ProDoor Install Scheduling: A Builder's Sequencing GuideMade-to-Order Custom Door Lead Times ExplainedHow to Quote a Bifold or Sliding Door Job and Win BidsSource Sliding & Bifold Doors for New ConstructionDo Bifold Doors Leak? How Weather-Tight Are They?Inswing vs. Outswing Bifold Doors: Which Is Right?Retail Storefront Doors: What to Specify in 2026How to Become Your Area's Go-To Door ProDoor Install Scheduling: A Builder's Sequencing GuideMade-to-Order Custom Door Lead Times ExplainedHow to Quote a Bifold or Sliding Door Job and Win BidsSource Sliding & Bifold Doors for New ConstructionDo Bifold Doors Leak? How Weather-Tight Are They?Inswing vs. Outswing Bifold Doors: Which Is Right?
Gladiator
Vol. IJacksonville, FloridaFriday, September 4, 2026

The Gladiator Dispatch

Doors · Windows · Modern Living — Straight From the Factory Floor

★ Factory-Direct Aluminum ★ 15-Year Warranty ★ Free Insured Shipping ★ Made in the USA ★ Nationwide Delivery
Retail Storefront Doors: What to Specify in 2026
Sliding Doors

Retail Storefront Doors: What to Specify in 2026

By the Gladiator Window & Doors Technical Specification Team — factory-direct aluminum door manufacturer, Jacksonville, FL. The right retail storefront door does more than open and close. It communicates your client's brand, controls foot traffic flow, handles daily commercial abuse,...

Gladiator Window & Doors8 min readSeptember 1, 2026
Browse by Style
Why Gladiator · What to Watch For

What Sets Us Apart

01
Factory-Direct Pricing
You buy straight from the maker — no dealer markup, no showroom overhead. Watch for "direct" sellers who still route through a middleman.
02
Real Thermal Performance
NFRC-rated U-factors and genuine thermal breaks — not just a sleek frame. If a quote skips the numbers, ask why.
03
Coastal-Grade Aluminum
6063-T5 alloy engineered for salt air and wind load, backed by a 15-year warranty. Thin extrusions are the red flag.
04
Freight Done Right
Insured, liftgate-equipped, nationwide delivery with a Bill of Lading on every shipment. No surprise dock fees.
Latest Stories
Do Bifold Doors Leak? How Weather-Tight Are They?
Bi-Fold Doors

Do Bifold Doors Leak? How Weather-Tight Are They?

By the Gladiator Window & Doors Engineering & Content Team — factory-direct aluminum door specialists, Jacksonville, FL Well-engineered bifold doors do not leak under normal weather...

Aug 18, 2026 · 7 minRead →
Inswing vs. Outswing Bifold Doors: Which Is Right?
Bi-Fold Doors

Inswing vs. Outswing Bifold Doors: Which Is Right?

By the Gladiator Window & Doors Specification Team — factory-direct aluminum door manufacturers based in Jacksonville, Florida, serving contractors, builders, architects, and resellers nationwide. What Is...

Aug 17, 2026 · 6 minRead →
How to Measure Sliding & Bifold Door Rough Openings
Sliding Doors

How to Measure Sliding & Bifold Door Rough Openings

By the Gladiator Window & Doors Technical Team — factory-direct aluminum door specialists, Jacksonville, FL. Getting the rough opening (RO) right is the single most critical...

Aug 11, 2026 · 10 minRead →
Gladiator vs. European Aluminum Doors: Reynaers, Schüco & Cortizo Compared
Sliding Doors

Gladiator vs. European Aluminum Doors: Reynaers, Schüco & Cortizo Compared

By the Gladiator Window & Doors Technical Team — factory-direct aluminum door manufacturer, Jacksonville, Florida. We build and ship our own systems, so every spec cited...

Jul 19, 2026 · 8 minRead →
Gladiator vs. Imported Bifold Doors: Wholesale Buyer's Guide 2026
Bi-Fold Doors

Gladiator vs. Imported Bifold Doors: Wholesale Buyer's Guide 2026

By the Gladiator Window & Doors Technical Team — Jacksonville, FL. Gladiator is a factory-direct manufacturer of premium aluminum bifold, sliding, and pivot door systems, shipping...

Jul 19, 2026 · 7 minRead →
Gladiator vs. Solar Innovations: Commercial Folding & Sliding Doors (2026)
Sliding Doors

Gladiator vs. Solar Innovations: Commercial Folding & Sliding Doors (2026)

By the Gladiator Window & Doors Technical Team — factory-direct aluminum door and window manufacturer, Jacksonville, FL. We build, test, and ship every unit ourselves. Verdict:...

Jul 17, 2026 · 7 minRead →
Gladiator vs. Centor: Which Is Right for Your Build?
Sliding Doors

Gladiator vs. Centor: Which Is Right for Your Build?

By the Gladiator Window & Doors Technical Team — factory-direct aluminum door manufacturer, Jacksonville, FL. Updated 2026. Verdict: Gladiator or Centor? For contractors, builders, and developers...

Jul 17, 2026 · 8 minRead →
Gladiator vs. Origin Bifold Doors: 2026 Comparison
Bi-Fold Doors

Gladiator vs. Origin Bifold Doors: 2026 Comparison

By the Gladiator Window & Doors Technical Team — factory-direct aluminum door and window manufacturer, Jacksonville, FL. Our engineers spec, build, and ship every system we...

Jul 14, 2026 · 8 minRead →
How to Become a Bifold Door Dealer in 2026
Bi-Fold Doors

How to Become a Bifold Door Dealer in 2026

By the Gladiator Window & Doors Technical Team — factory-direct aluminum door manufacturer, Jacksonville, Florida. We build, test, and ship every unit ourselves. Becoming a bifold...

Jul 1, 2026 · 8 minRead →
How Much Do Aluminum Bifold Doors Cost? (2026)
Bi-Fold Doors

How Much Do Aluminum Bifold Doors Cost? (2026)

By the Gladiator Window & Doors Technical Team — factory-direct aluminum door manufacturer, Jacksonville, Florida. We've spec'd and shipped thousands of bifold door systems to contractors,...

Jun 27, 2026 · 8 minRead →
Bifold vs. Sliding Glass Doors: Which to Spec
Sliding Doors

Bifold vs. Sliding Glass Doors: Which to Spec

By the Gladiator Window & Doors Specification Team — factory-direct aluminum door manufacturer, Jacksonville, FL. Our engineering and product teams spec bifold and sliding systems daily...

Jun 26, 2026 · 9 minRead →
Standard BI-Fold Door Configurations: Size Guide 2026
Bi-Fold Doors

Standard BI-Fold Door Configurations: Size Guide 2026

Standard BI-Fold Door Configurations: Size Guide 2026 reveals exact panel counts, widths, and heights for a perfect fit—avoid costly mistakes before you buy.

Apr 30, 2026 · 5 minRead →
12Next →
Tips From the Floor
The Pro Desk
Tip No. 01
Measure the rough opening, not the old door
Order to the framed opening with proper deduction for shims and flashing. The most common sizing mistake on big panel systems.
Tip No. 02
Spec the glass before the frame color
Low-E coating and the right U-factor drive comfort and energy bills far more than finish. Lock performance first, looks second.
Tip No. 03
Plan the header for wide spans early
A 16-foot opening needs structural support designed in before drywall. Loop your contractor in at the quote stage, not install day.
Coming Down the Pipeline
New & Upcoming
Coming Soon

Slim-Frame Pivot Door 2.0

A narrower sightline, magnetic soft-close, and a concealed pivot hinge rated for oversized slabs.

Arriving Q3 2026
Coming Soon

Motorized Louvered Pergola

App-controlled aluminum louvers that pivot for sun or seal for rain, with integrated LED and a wind sensor.

Arriving Q3 2026
Coming Soon

Black-on-Black Bi-Fold Series

Matte black frames, black hardware, black track — a fully monochrome folding wall for modern builds.

Arriving Q4 2026
In This Issue · Outdoor Living

Define the Backyard. Aluminum Pergola Kits, Engineered to Last.

A patio without structure overhead always feels unfinished. See how a factory-direct aluminum pergola sharpens the architecture and creates a room you'll actually use.

Explore Pergolas →
Keep Reading
Quick Reads
Sep 1
Retail Storefront Doors: What to Specify in 2026
Aug 30
How to Become Your Area's Go-To Door Pro
Aug 27
Door Install Scheduling: A Builder's Sequencing Guide
Aug 26
Made-to-Order Custom Door Lead Times Explained
Aug 24
How to Quote a Bifold or Sliding Door Job and Win Bids
Aug 23
Source Sliding & Bifold Doors for New Construction
Aug 18
Do Bifold Doors Leak? How Weather-Tight Are They?
Aug 17
Inswing vs. Outswing Bifold Doors: Which Is Right?
Aug 11
How to Measure Sliding & Bifold Door Rough Openings
Jul 19
Gladiator vs. European Aluminum Doors: Reynaers, Schüco & Cortizo Compared
Sep 1
Retail Storefront Doors: What to Specify in 2026
Aug 30
How to Become Your Area's Go-To Door Pro
Aug 27
Door Install Scheduling: A Builder's Sequencing Guide
Aug 26
Made-to-Order Custom Door Lead Times Explained
Aug 24
How to Quote a Bifold or Sliding Door Job and Win Bids
Aug 23
Source Sliding & Bifold Doors for New Construction
Aug 18
Do Bifold Doors Leak? How Weather-Tight Are They?
Aug 17
Inswing vs. Outswing Bifold Doors: Which Is Right?
Aug 11
How to Measure Sliding & Bifold Door Rough Openings
Jul 19
Gladiator vs. European Aluminum Doors: Reynaers, Schüco & Cortizo Compared
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