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Sonya Awning April 24th, 2018 - 08:10:06
In addition to the practical reasons, Europe has had a long aesthetic tradition with awnings, so retractable awnings are a natural part of any home design, and that organically led into creative and adventurous designs, which made using awnings even more appealing. The US, on the other hand, has had historically cheap and accessible energy, with widespread air conditioning and central air systems. Combined with suburb-motivated home designs, neither energy nor aesthetics has given a compelling reason to include retractable awnings on homes as a standard practice. Energy shortages and price increases in the 1970s, though, did begin bringing retractable awnings to the popular mind as a functional solution for energy efficiency.
There are also dozens of different accessories for retractable awnings which make them easier to operate. A couple of common ones: Anemometer - a device which monitors wind speed; this is used with wind sensors. Sensors - devices which monitor different atmospheric conditions and trigger the motor to retract or extend the awning accordingly; there are four major kinds of sensors, including sun (light) sensors, wind sensors, rain sensors, and motion sensors (which monitor movements, such as wind gusts) Motor - a device which automatically moves the awning; motors are enclosed in the roller tube.Terms: Materials The retractable awning materials are the true indicator of quality - because the kind of materials used translates into quality, not the expense of the materials. For the fabric, there are two major categories of fabrics:
How much shade coverage is required. What the width of the awning should be, based on the shade area. Add at least 12 inches to maximize coverage for sun and rain protection. How far out the awning extends (the projection), based on the shade area. There is a natural slope to an awning, so the actual shade is several inches shorter than the full projection. How high to mount the awning. Because of the awnings slope, the front of the awning is lower than the mounting position; this difference is the drop. The recommended drop is 3 inches per foot of projection. So, if the awning has a 12-foot projection, the drop is about 36 inches. To get a 7-foot clearance under the front bar, the awning has to be mounted at least 10 feet high. Scout out a mounting place that is free of obstructions (no lights, gutters, wiring, or ornamentation) and has adequate clearance around any doors or windows. For screens, make sure that any doors swing away from the screen. For retractable awnings, make sure the awning can extend its full projection without running into a tree, patio, roofline, or fence.
Retractable awnings were quick to catch on in Europe, from open air markets to apartments and homes. In fact, the classic lateral arm awning is called a California Style Awning in Europe - and a European Style Awning in the US. Now, the retractable awning market is decidedly driven by Europe. Millions of retractable awnings are sold there annually and are found on the majority of homes and businesses, even being considered in the architectural design process. The highest quality manufacturers, most innovative new designs, and emerging trends are coming from European companies. By comparison, the awning market in America has been limited to mainly commercial buildings. Substantially fewer awnings are sold in the United States yearly - less than 50,000 - so the market, according to the Industrial Fabric Association International, is only about 2% saturated. Theres room for a change.