The revolving door is the most efficient method of controlling stack pressure and reducing heating and cooling costs; but only if the weather stripping
is sealing properly. When weather
stripping is worn or aged, it is not as effective at keeping out air, pests,
Changing the weather stripping on a regular basis not only saves money on heating and cooling costs but can also prevent costly damage to the metal finish of your entrance. Dirt and other contaminants collect on the weather strips
and can scratch against the metal.