Wayne Dalton’s Model 900 Rolling Service Door is ideal for jobs where you need an economical solution, durability and strength. This door offers flexibility in curtain materials with choices of galvanized steel, stainless steel, or aluminum.

Composed of curved or flat-faced slats that provide a natural watershed, this model reduces corrosion. Slats have free-acting interlocking joints that permit easy articulation when the door coils. Model 900 features a strong double-angle bottom bar for easy installation that doesn’t require fasteners in the guide openings, so the bottom bar does not interfere with door operation.

The counterbalance assembly consists of a spring barrel that serves as a load-carrying beam. It encases the counterbalance mechanism and provides the axis around which the curtain coils. (Deflection is limited to 0.033 inches per lineal foot of span.)

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