Sectional Commercial Garage Doors
Diagnostics has the doors you need to complete your most demanding commercial projects. With multiple steel gauge, insulation, and glazing options, our sectional door line has the product flexibility to meet your needs.
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- High R-Value Foamed-In-Place Sectional Door
- Steel Interior and Exterior Skins.
- Polyurethane Insulation.
- 10-Year Limited Warranty
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- High R-Value Foamed-In-Place Sectional Door
- Steel Interior and Exterior Skins.
- Polyurethane Insulation.
- 10-Year Limited Warranty
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- High R-Value Foamed-In-Place Sectional Door
- Steel Interior and Exterior Skins.
- Polyurethane Insulation.
- 10-Year Limited Warranty
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- Heavy Duty Insulated Steel Door
- Steel Exterior and Interior Skins
- 2″ CFC-free Polystyrene Insulation
- 10-Year Limited Warranty
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- Medium Duty Insulated Steel Door
- Steel Exterior and Interior Skins
- 1 3/8″ CFC-free Polystyrene Insulation
- 10-Year Limited Warranty
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- Extra Heavy/Heavy/Medium Duty Commercial Door
- 20, 24, or 25 Gauge Steel Exterior Skin
- Insulation and Steel Interior Options
- Smooth Texture – Models 2000 & 2400
- Wood Grain Texture – Model 2500
- 5-Year Limited Warranty.
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- Aluminum Full View Door
- Full View Glass Panels
- Optional Solid Aluminum Panels
- Anodized Aluminum Finish
- 1-Year Limited Warranty
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