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Of all the maintenance headaches associated with sliding doors, rollers cause most of the pain.
Metal rollers, while still the default choice for heavy doors, require ongoing lubrication. And even when lubricated, metal rollers can eventually wear out the door track. Plastic rollers, which are too often made from common engineering thermoplastic materials, lack dimensional stability when exposed to temperature extremes and moisture. They also tend to creep, developing flat spots under static load.
When poorly designed or maintained, both metal and plastic rollers can also be noisy. In the case of metals, the noise occurs because of the metal-on-metal contact with the track. In the case of plastics, the dimensional changes and flat spots make for a rough, noisy ride.
We’ve been able to address the most common pain points associated with sliding door rollers by combining Power-Core™ materials with high-end roller bearings. These hybrid rollers have started to appear in a variety of sliding doors, including ones with
These applications include cargo van doors, mall security doors, machine tool doors and more. Power-Core rollers have a number of advantages over both metals and other plastics in sliding door applications:
For more information on sliding door applications—including load capabilities and design tips—read our sliding door white paper.