WindStorm™ Commercial Doors
WindStorm™ Commercial Doors from Overhead Door™ are engineered to provide enhanced protection against high winds and harsh weather. Designed for commercial and industrial buildings, these wind-load-rated doors combine durable steel construction, reinforced components, and optional insulation to help meet applicable building-code requirements. They are an excellent solution for facilities that need reliable access and additional protection during severe weather.
Wind Load Garage Doors provide Reliable Protection against high wind damage and offer Craftsmanship, Durability, and Style.
WindStorm™ commercial sectional doors are designed to withstand specified wind loads when properly selected and installed to meet the building’s and local code requirements. Available models offer different levels of insulation, steel construction, panel styles, and wind-load approvals, allowing businesses to choose a door that fits their operational needs and environmental conditions.
Ideal Applications Include
Security
Manufacturing & Warehouse Soulutions
Automotive
Food & Beverage
Public Facilities
Family Houseing
Government Facilities
WindStorm™ Commercial Doors
Our comprehensive line of sectional and insulated steel doors encompasses one of the industry’s most complete selections of panel profiles, gauges, track styles, and hardware for wind load industrial and commercial door systems.
WindStorm™ Commercial Sectional Doors 515/525
Overhead Door™ WindStorm™ Commercial Sectional Doors Models 515 and 525 are designed for commercial and industrial facilities that require enhanced wind-load performance, dependable durability, and energy-efficient insulation.
Built with steel panels and a polyurethane insulation core, these doors are engineered to withstand higher design pressures and help meet applicable local building-code requirements. They are an excellent choice for businesses seeking reliable protection, thermal efficiency, and long-term performance.
Max Width: 20’2″
Max Height: 20’1″
U-factor1: 0.21
R Value2: 12.12
Section Thickness: 1 3/8″
Material: Steel
Air Infiltration: 0.23 cfm/ft2 at 15mph
Wind Load: Minimum standard

Max width: 22’2″
Max height: 20’1″
U-factor1: 0.18
R Value2: 16.22
Section Thickness:1 7/8″
Material: Steel
Air Infiltration: 0.07 cfm/ft2 at 15mph
Wind Load: Minimum standard
WindStorm™ Model 515
The WindStorm™ Model 515 is an insulated sectional steel door designed for facilities that need reliable wind-load performance and thermal protection. Its 1⅜-inch-thick insulated panels provide a calculated R-value of 12.12. With a durable steel exterior and an effective thermal break, Model 515 reduces heat transfer while delivering dependable operation for commercial applications.
WindStorm™ Model 525
The WindStorm™ Model 525 delivers enhanced insulation performance for demanding commercial and industrial environments. Its 1⅞-inch-thick insulated steel sections provide a calculated R-value of 16.22. Model 525 also offers low air infiltration, making it a strong option for facilities where temperature control, durability, and wind-load requirements matter.
Overhead Door™ Brand participates in the DASMA Thermal Performance Verification Program. The program verifies the thermal performance of sectional doors. The lower the U-factor rating, the better the thermal performance.
The symbol indicates a verified U-factor rating in accordance with the DASMA Thermal Performance Verification Program.
1 – U-Factors are based on independent testing and verified per ANSI/DASMA 105. For products other than aluminum full-view doors, testing was conducted on specific sizes of solid doors. Actual thermal performance may vary by door size and configuration.
2 – R-value is a measure of thermal efficiency. The higher the R-value the greater the insulating properties of the door. Overhead Door Corporation uses a calculated door section R-value for our insulated doors.
WindStorm™ Commercial Sectional Doors
421/423, 427/429, 434/436
Our comprehensive line of sectional and insulated steel doors encompasses one of the industry’s most complete selections of panel profiles, gauges, track styles, and hardware for commercial sectional door systems.
WindStorm™ Models 421/423, 427/429, and 434/436 are non-insulated and insulated doors featuring Miami-Dade certifications for static pressures and impact. Constructed of 20- or 24-gauge steel and designed with 4” horizontal struts to enhance door strength and performance.
Product Literature
WindStorm™ Commercial Sectional Brochure
Standard features
Interior Color: White
Struts: 4″ horizontal strut (doors over 10’2″ wide)
Standard springs: 10,000 cycles
Standard track: 2″ (51 mm)
Weather Stripping: Flexible PVC bottom with retainer
Joint profile: Tongue-and-groove

WindStorm™ Model 421
Max width:14’2″
Max height: 24’1″
Exterior Surface: Ribbed
Section Thickness: 2″
Material: Steel
Wind Load: Certified to meet Miami-Dade wind load requirements

WindStorm™ Model 423
U Factor: .13
Max width:14’2″
Max height: 24’1″
Exterior Surface: Ribbed
R Value: 7.6
Section Thickness: 2″ (51 mm)
Material: Steel
Wind Load: Certified to meet Miami-Dade wind load requirements

WindStorm™ Model 427
Max width:14’2″
Max height: 24’1″
Exterior Surface: Ribbed
Section Thickness: 2″
Material: Steel
Wind Load: Certified to meet Miami-Dade wind load requirements

WindStorm™ Model 429
U Factor: .13
Max width:14’2″
Max height: 24’1″
Exterior Surface: Ribbed
R Value: 7.6
Section Thickness: 2″ (51 mm)
Material: Steel
Wind Load: Certified to meet Miami-Dade wind load requirements
WindStorm™ Commercial Sectional Door: model 434 and model 436 feature FBC and TDI certifications for static pressures and impact. Constructed of nominal 24-gauge steel and designed with 4” horizontal struts to enhance door strength and performance.

WindStorm™ Model 434
Max width: 20’2″
Max height: 16’1″
Exterior Surface: Ribbed
Section Thickness: 2″
Material: Steel
Wind Load: Certified to meet FBC and TDI wind load requirements

WindStorm™ Model 436
U Factor: .13
Max width: 20’2″
Max height: 16’1″
Exterior Surface: Ribbed
R Value: 7.64
Section Thickness: 2″
Material: Steel
Wind Load: Certified to meet FBC and TDI wind load requirements
WindStorm™ Commercial Doors 421/423, 427/429, 434/436 Overview
Exterior steel
- Models 421/423 – 20-gauge
- Models 427/429 – 24-gauge
- Models 434/436 – Nominal 24-gauge
Wind load approvals
- Models 421/423/427/429 (FBC, TDI, Miami-Dade)
- Models 434/436 (FBC, TDI)
Warranty: 1 year limited
Colors:

White – All Models Brown – (Models 427/429/434/436 only)
Glazing Options

Vision Lites Full-view Lites
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