* Our Best Selling Ribbed Door *

Ribbed Steel

3250 - 25 Gauge, Uninsulated

3251 - 25 Gauge, Insulated w/ Vinyl Back

3252 - 25 Gauge, Insulated w/ Steel Back

3240 - 24 Gauge, Uninsulated

3241 - 24 Gauge, Insulated w/ Vinyl Back

3242 - 24 Gauge, Insulated w/ Steel Back

3220 - 20 Gauge, Uninsulated

3221 - 20 Gauge, Insulated w/ Vinyl Back

3222 - 20 Gauge, Insulated w/ Steel Back

Garage Door
R-Value: Non Insualted - 6.52 Thickness: 2"
Insulation Type: Polystyrene Total Layers: 1 - 3 Layers
Exterior Material: 20 - 25 Gauge Steel Construction: Steel - Steel + Insulation + Steel
Interior Material: Non Insulated - 27 Gauge Steel Available Colors: White, Brown, Sandstone, and Silver (Available in most models)

Insulated Door R-Value: 6.81*

  • 2" thick sections constructed of pre-finished galvanized steel
  • Insulated models feature either heavy duty vinyl or 27 gauge steel backers
  • 3250/51/52 doors utilize steel that meets the nominal 24 ga. designation used by some door manufacturers
  • Box shaped stiles are riveted to the face of the section and are galvanized for additional corrosion protection
  • Tongue and groove meeting rails provide superior rail strength and weather resistance
  • Glass is available in 1/8" DSB, 1/8" Lexan, Insulated or 1/4" tempered glass
  • Glass is easily replaced or substituted by removing molded frames
  • Exhaust port is optional for bottom section
  • Track options include 2" or 3" bracket or clip angle mount and designed to accommodate virtually any headroom design requirements
  • Heavy duty hardware may be specified with 11 or 14 gauge hinges and 10 ball rollers
  • Bottom U-shaped astragal in an aluminum retainer is standard
  • Increased windload requirements may be specified
  • All models are available in finishing coat of white. Additional sandstone, brown and silver finishes are available in models 3240/41/42 ONLY
*Calculated in accordance with ASHRAE standard formulas

Copyright © 2008 Don Murphy Doors. All Rights Reserved.

805 US 50 Milford, OH 45150

Hours of operation: M-F: 7:30 – 5:00 | Sat: 9:00 – 1:00

(513)771-6087

Proudly Serving the Greater Cincinnati Area: OH, KY, & IN

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