Choose the overhead door that works as hard as you do. C.H.I. Overhead Doors polyurethane insulated commercial doors are constructed with durable galvanized steel and heavy-duty hardware to ensure a long service life. Plus the environmentally safe polyurethane foam and sealed thermal break provide excellent insulating value that enables you to save on heating and cooling costs.
Have a look at the Commercial Garage Door Product Buyers’ Guide for an overview of all of our available commercial models.
Commercial Series
Ribbed Steel Models
| 3250 25 Gauge, Uninsulated3251 25 Gauge, Insulated w/ Vinyl Back3252 25 Gauge, Insulated w/ Steel Back | Spec Data Sheet for 3250 Series |
| 3240 24 Gauge, Uninsulated3241 24 Gauge, Insulated w/ Vinyl Back3242 24 Gauge, Insulated w/ Steel Back | Spec Data Sheet for 3240 Series |
| 3220 20 Gauge, Uninsulated3221 20 Gauge, Insulated w/ Vinyl Back3222 20 Gauge, Insulated w/ Steel Back | Spec Data Sheet for 3220 Series |
Insulated models R-Value: 8.0
- 2” thick sections constructed of pre-finished galvanized steel
- Insulated models feature either heavy duty vinyl or 27 gauge steel backers
- The steel characteristics and thickness used in models 3250/3251/3252 are equivalent to the “nominal 24 gauge” classification used by other manufacturers in the door industry
- 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
Sandwich Construction Polystyrene Models
R-Value: 10.29
- 26 gauge face and 27 gauge back steel are mechanically locked and bonded to a CFC free polystyrene core with urethane adhesive for maximum structural integrity
- Tongue and groove meeting rails provide superior joint strength and weather resistance
- Concealed hinge attachment plates run the full height of sections for superior strength
- Rigid exterior end stiles are finish painted white
- Glass is available in 1/8” float, 7/16” 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 is standard
- Increased windload requirements may be specified
- Available in finish coat colors of white, almond, sandstone or brown
Thermally-Broken Insulated Steel Sandwich Door
ASTM C518 tested R-Value: 17.54*
- Foamed-in-place CFC free polyurethane core permanently bonds the 20-gauge exterior and 27-gauge interior steel skins to form a rigid homogeneous section
- 2” thick sections are thermally broken to eliminate convection
- Tongue and groove meeting rails with joint gasketing provide superior joint strength and prevent air infiltration
- Concealed hinge attachment plates run the full height of sections for superior strength
- Rigid exterior end stiles are finish painted white
- Glass is available in 7/16” 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 is standard
- Increased windload requirements may be specified
- Available in finish coat color of white
*R-value testing is in accordance with ASTM C518 standards.