Ads
related to: wooden concertina doors internal
Search results
Results From The WOW.Com Content Network
Another term is 'concertina' doors, inspired by the musical instrument of the same name. Folding doors can be used as internal or external room dividers and are made from a variety of materials. Most folding doors are glazed and the panels have frames of either wood, aluminium or upvc. They can open up and fold either internally or externally ...
The Concertina design of 1906/7 reverted to 9 feet (2.7 m) width but retained the 70 feet (21 m) length. The doors were recessed into the body side rather than flush with the outer panels, and as each carriage was placed in a fixed-set, the company had fitted bellows-like material connections between carriages to smooth the airflow.
Since that time, its product range has expanded to include wooden interior doors, canopies, steel sheet doors, door frames, interior and exterior entrance doors, manual and drive-driven industrial door systems, and state-of-the-art fire protection and multifunctional door systems for commercial real estate.
Wooden doors – including solid wood doors – are a top choice for many homeowners, largely because of the aesthetic qualities of wood. Many wood doors are custom-made, but they have several downsides: their price, their maintenance requirements (regular painting and staining) and their limited insulating value [ 23 ] (R-5 to R-6, not ...
The most notable innovations to the internal construction of the Chemnitzer concertina were made by German-American instrument builders in Chicago: Ernest Glass patented an aluminum action in 1912 (U.S. patent 1,024,771), which was quicker and quieter than earlier wooden actions; his son Otto further improved this action in 1928 (U.S. patent ...
Closing your interior doors can help disperse pressure throughout the home and reduce the overall force stacked up against your roof -- basically your first line of defense against Mother Nature.