C.H.I. Sectional Commercial Garage Doors

3250,3240,3220

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

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