HIGH TRAFFIC AND IMPACT DOORS Durulite doors are designed for use in the toughest industrial, commercial, institutional and retail applications.  They are molded of cross-linked polyethylene designed to work in temperatures as low as - 40°F. DURALITE RETAILER Cross-linked polyethylene Internal steel reinforcing Non-CFC urethane foam core Sixteen standard colors Full or partial perimeter gasket Patented molded-in hinge post Heavy-duty V-Cam hinging DURALITE STANDARD 1/8" thick cross-linked polyethylene Sixteen standard colors Molded-in window 13 gauge internal steel reinforcing Non-CFC urethane foam core Corrosion resistant Heavy-duty V-Cam hinging DURALITE INDUSTRIAL 1/4" thick cross-linked polyethylene Sixteen standard colors Molded-in window 11 gauge internal steel reinforcing Non-CFC urethane foam core Corrosion resistant Stainless-steel upper V-Cam and     ductile iron lower hinge assembly Sizes up to 10' x 10' Designed specifically to withstand     punishing man-ridden vehicles DURALITE POSTAL 200 SECURITY RE-5 approved 1/4" thick cross-linked polyethylene 38" high 4" projection industrial      bumpers Three 1/4" x 1" flat steel security     bars spaced on 7" centers Double pane windows Upper and lower cane bolts 2" locking sleeves. Tamper proof fasteners Full perimeter gasket Aluminum lower hinge guards Directional signs 11 gauge internal steel reinforcing Non-CFC urethane foam core Heavy-duty hardware Sixteen standard colors Optional red/green bumper     configuration PROLINE POSTAL 600-SEC RE-5 approved Heavy-duty panel construction     with wood core Reinforced hinge locations and     back spine Cladding is impact resistant ABS Seventeen standard colors Patented Pro-Loc edge systems     eliminates catch points Proline V-Cam 250 degree swing     hinge allows door to open     125 degrees in each direction 42"heavy-duty teardrop bumpers Upper and lower cane bolts. Double pane windows with security     bars 7" on centers. 2" lock sleeves Tamper proof fasteners 9" high jamb guards with base plates Optional directional signs Available with optional red/green     configuration for traffic control NERGECO BY CHASE DURAFOLD DOORS Designed to provide an effective     barrier in exterior openings or where     high draft conditions exist. Unique "Bottom Up" folding design.     Flexible curtain folds up from the     bottom to maximize the clear     opening. Flexible door panels can be provided     with either single skin or insulated     double skin construction. Built-in wind resistance.     The folding panel incorporates     horizontal stiffeners to provide     maximum resistance in high draft     conditions. Impact Resistant Panel Design.     The bottom 18" of the door panel is     flexible and can be impacted and     dislodged from the side frame     without damaging the floor panel. OTHER HIGH SPEED DOORS AVAILABLE!