INDUSTRIAL ROLL UP DOOR Provide security without loss of space; totally self-contained dock doors have no overhead tracks or door sections allowing interference-free ceiling height use. Strong 26-gauge deep-ribbed corrugated galvanized steel door has primer and white siliconized polyester painted finish. Limited 20-year film integrity guarantee against chalking and fading. Door bottom has galvanized steel angle frame, pair of 10-gauge padlockable slide locks and replaceable vinyl weather seal. Door drum/torque tube assembly offers radial bearings to ensure smooth quiet operation. Reduction Drive Chain Lift offers 4:1 ratio for easiest operation, and integral chain lock to keep door in position and chain safely out of the way. Quick easy installation; includes all hardware for attaching to masonry and wood frames. For other sizes and colors, for attaching to steel buildings, and for security vision panels, call for pricing.
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You can trust this review, i hope you can try to buy this product and then you know this product good or no. Next time you can make a review for another people.
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