When.com Web Search

  1. Ads

    related to: commercial roll up overhead doors

Search results

  1. Results From The WOW.Com Content Network
  2. Roller shutter - Wikipedia

    en.wikipedia.org/wiki/Roller_shutter

    Roll shutters on windows. Security roller shutters in a dead mall. A roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple horizontal slats, bars, or web systems interconnected through hinges. The mechanism involves lifting the door to open ...

  3. High-speed door - Wikipedia

    en.wikipedia.org/wiki/High-speed_door

    High Speed Doors are an evolution of the traditional roller shutter door (hence the alternative name they are often given of Rapid Roll Doors). They are primarily designed to give higher operating speeds, improved sealing and sustain a higher number of opening & closing cycles than traditional roller shutters, without compromising reliability ...

  4. Garage door - Wikipedia

    en.wikipedia.org/wiki/Garage_door

    A typical single-car garage roller door has a preloaded spring inside the rolling mechanism. The spring reduces the effort required to open the door. Oversized roller doors in commercial premises are not sprung (except in the US), and a manual pulley and chain system or a geared motor is used to raise and lower (roll up and roll down) the door.

  5. Door - Wikipedia

    en.wikipedia.org/wiki/Door

    A tambour door or roller door is an up-and-over door made of narrow horizontal slats that rolls up and down by sliding along vertical tracks; it is typically found in entertainment centres and cabinets. Rebated doors, a term chiefly used in Britain, are double doors with a lip or overlap (i.e. a rabbet) on the

  6. Garage door opener - Wikipedia

    en.wikipedia.org/wiki/Garage_door_opener

    The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.

  7. Loading dock - Wikipedia

    en.wikipedia.org/wiki/Loading_dock

    Truck loading dock with overhead door, dock leveler, dock seals, canopy, indicator lights, and truck restraint system. In order to facilitate material handling, loading docks may be equipped with the following: [1] Bumpers – protect the dock from truck damage, may also be used as a guide by the truck driver when backing up.

  1. Ads

    related to: commercial roll up overhead doors