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Model C-20

Sectional Steel Doors

Model C-20 is a durable, visually appealing door for moderate to heavy-duty commercial applications. Its unique 2”x3” box-stile design and tongue-and-groove construction adds vertical stability and strength.

  • Max Width: 28’2”
  • Max Height: 22’1”
  • 20-gauge steel
  • Optional polystyrene insulation, R-value* = 7.64
  • 10,000 cycle standard spring
  • Tongue-and-groove joint profile

*Wayne Dalton uses a calculated door section R-value for insulated doors.

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SDocNameSDocType
SDocNameSDocType
Sectional Steel Door C20 Brochure137Brochure
Sectional Door Systems Brochure132Brochure
Non-Insulated Sectional Steel Door Warranty177Warranty
Wind Load Options C-series Doors184Wind Load
Models C24 and C20 Drawing - Ribbed Steel 505Drawings
Model C-20 Specification674Specifications
Sectional Overhead Door Full Line Specs677Specifications
Sectional Overhead Doors Full Line Specs612Specifications
Installation Instructions - Models C-20, C-24 & C-2400818Installation Instructions
Installation Insert - 24, 20 & 16 Gauge819Installation Supplement
Installation Insert - Cable Keeper151Installation Supplement
Installation Insert - C-Series Top Head Seal155Installation Supplement
Quick Start Guide - Models C-20, C-24 and C-2400820Quick Start Guide
Door Operating Clearances Model C20571Door Operating Clearance
Door Panel Section Guide Model C20590Panel/Section Selection Guide
Track Selection Guide Sectional Steel Doors576Track Selection Guide
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