Ordering wholesale sliding glass doors factory-direct cuts out distributor markups, tightens your lead times, and gives your team direct access to the manufacturer's engineering and support staff. At Gladiator Window & Doors, contractors, builders, developers, architects, and dealers order our thermal-break aluminum sliding systems directly from our Jacksonville, Florida factory — with no middlemen between your project spec and the finished door. This guide walks through exactly how that process works, from first quote to job-site delivery.

Written by the Gladiator Window & Doors technical team — a factory-direct manufacturer of premium aluminum sliding, bi-fold, and pivot door systems shipped to all 50 states.

What is the process for ordering wholesale sliding glass doors from a manufacturer?

The wholesale ordering process at Gladiator has four stages: project scoping, formal quote, order confirmation, and scheduled production or in-stock fulfillment. Start by submitting your rough opening dimensions, configuration (number of panels, slide direction, panel stacking), finish, glass spec, and project address. Our team turns around a line-item quote — including freight — typically within one business day for standard configurations. Once you approve the quote and submit a deposit, the order enters our production schedule. For in-stock standard sizes, doors ship within days; custom made-to-order systems follow the lead times in the next section. Every wholesale account gets a dedicated contact at the factory — not a call center — for submittals, change orders, and shipping coordination.

What lead times should builders expect when ordering large aluminum sliding doors direct?

Lead times split into two tiers: in-stock standard units and custom made-to-order systems. In-stock sliding glass doors ready to ship can leave our facility within 3–5 business days of order confirmation. Custom configurations — non-standard widths, panel counts beyond stock, specialty glass packages, or custom RAL colors — run 4–8 weeks in production depending on project volume and schedule. For large multi-unit residential or commercial projects ordering 10 or more openings, we recommend submitting specs at least 6–8 weeks before your scheduled rough-in so production can be phased to match your site sequencing. Freight to most major metros is 3–7 business days after shipment, included at no extra charge for qualifying orders.

Key lead-time variables contractors should account for:

• Panel count per opening: 2-panel lift-and-slide ships faster than 6-panel multi-stack configurations requiring more sill and header fabrication.
• Glass package: Standard 6mm clear or low-e glass is fastest. Triple-pane or specialty tints add production time.
• Finish: Matte black, dark grey RAL 7016, white RAL 9010, and bronze anodized are our four standard finishes — all carry the same lead time. Custom RAL colors add 1–2 weeks.
• Project volume: Bulk project orders may qualify for phased release from production to match construction schedules — coordinate with your trade account rep.

What minimum quantities or project sizes qualify for wholesale sliding patio door pricing?

Gladiator's wholesale trade pricing is account-based, not strictly quantity-gated — meaning qualified contractors, dealers, and builders get trade pricing on every order once their account is approved, whether it's a single high-value unit or a 50-door development. There is no artificial minimum order quantity that locks small contractors out. That said, project volume tiers do unlock deeper margin: single-project orders of 5+ openings, 10+ openings, and 20+ openings each step down in unit cost, and large development contracts are quoted on a project-specific basis. Architects and designers specifying our systems into projects they won't purchase directly can receive submittal drawings and spec sheets to include in bid packages — their contractor of record then orders on trade pricing.

Typical project profiles we serve at wholesale:

• Custom home builders: 1–6 openings per home, ongoing repeat volume across multiple projects
• Multi-family developers: 10–100+ units, phased delivery coordinated to build schedule
• Commercial and hospitality: restaurant, retail, and office installations using our aluminum sliding glass door systems
• Glass and glazing subcontractors: purchasing for multiple GC clients under one account
• Dealers and showrooms: stocking select SKUs for regional resale with factory-backed support

What specs and rough opening details do suppliers need before quoting large sliding door systems?

A complete quote requires seven data points: rough opening width, rough opening height, panel count and configuration, slide direction (stack left or stack right), glass specification, finish, and jobsite delivery ZIP code. Without all seven, any quote is a ballpark — and ballparks cause budget problems at framing. Below is the full spec reference table for Gladiator's thermal-break aluminum sliding systems to help you prep submittals and rough opening plans before you call.

Specification	Gladiator Aluminum Sliding System	Traditional Legacy Multi-Slide Systems	Imported Thin-Frame Aluminum Systems
Frame material	Thermal-break aluminum, heavy-wall extrusion	Aluminum, varies by series	Thin-wall aluminum, minimal thermal break
Standard glass thickness	6mm standard (IGU available)	Typically 3–4mm standard	Typically 4–5mm
Panel width range	Up to ~48 in. per panel	Varies by series	Often narrower maximums
Max opening width	Up to 32 ft+ (multi-panel configurations)	Varies widely	Typically limited
Track profile	Low-profile flush-to-floor sill	Raised sill common	Raised or semi-flush
Energy performance	Whole-door NFRC U-factor rated; CA Title 24 compliant configurations available	Varies by glass package	Typically not NFRC whole-door rated
Finish options	4 standard finishes; custom RAL available	Limited standard finishes	Limited or surcharge for custom
Warranty	15-year manufacturer warranty	Typically 10 years	Varies; often shorter
Pricing model	Factory-direct, no distributor markup	Dealer/distributor network	Importer markup applied
Freight	Free nationwide shipping (qualifying orders)	Freight typically extra	Freight + import duties

Rough opening and header planning checklist

Share this checklist with your framing crew before submittal:

• Width: Rough opening width = door unit width + ¾ in. to 1 in. for shimming and squaring (confirm with Gladiator install guide for your configuration).
• Height: Rough opening height = door unit height + ¾ in. minimum. Flush-to-floor sill installations require subfloor prep — allow for sill pocket depth in concrete or wood framing.
• Header load: Wide multi-panel openings (16 ft+) require engineered headers. Provide structural drawings to your engineer before finalizing rough opening framing.
• Stack pocket depth: Pocket-slide configurations where panels fully disappear into the wall require wall depth equal to stacked panel width plus frame — coordinate early with framing.
• Sill condition: Low-profile flush sill installations require a perfectly level, flat substrate. Build-up or grinding is the installing contractor's scope.
• Rough opening squareness: Check diagonals. Out-of-square openings cause panel alignment problems on large spans — correct at framing, not at installation.

For projects that also include folding wall systems or aluminum bi-fold doors alongside sliding configurations, our technical team can provide a combined submittal package with rough opening schedules for all door types in a single document.

How do dealers and contractors set up trade accounts with a factory-direct aluminum door manufacturer?

Setting up a trade account with Gladiator takes less than 10 minutes and requires no minimum initial purchase. Submit the Reseller & Wholesale Application with your business name, license type (contractor, dealer, developer, architect, glazier, or retailer), state of operation, and a brief description of the projects or volume you're working with. Our team reviews applications within one business day and approves qualified trade accounts promptly. Once approved, you receive:

• Access to trade-tier pricing on all sliding, bi-fold, pivot, and window systems
• A dedicated factory contact for quotes, submittals, and technical support
• Digital spec sheets, install guides, and CAD details for use in bid packages and permit sets
• Priority lead-time scheduling for multi-unit and development-scale projects
• Free nationwide freight on qualifying orders

There is no annual fee, no dues, and no minimum annual purchase requirement to maintain your trade account. Dealers who want to stock in-market inventory can coordinate with our team on stocking programs for high-velocity SKUs. Architects and interior designers who specify our products can also register so we can route project inquiries from their clients directly to their preferred installing contractor on record.

If you work across multiple door categories — sliding, folding, and pivot — our wholesale account application covers all product lines under a single account. You can also explore pivot door systems and folding passthrough windows that pair well with sliding door specifications on larger residential and hospitality projects.

---

Sell Gladiator doors at a wholesale price. Factory-direct aluminum sliding, bi-fold, and pivot doors — premium aluminum, 6mm glass, low-profile tracks, no upcharges, shipped nationwide. Contractors, builders, designers, and retailers get trade pricing and real support.

Apply for a Reseller & Wholesale Account · Call 904-822-1078