Products that meet Standards PA 201-94, PA 202-94, SSTD-12 and ASTM E1996 and that have a valid Notice of Approval (NOA).
Wind-borne debris region
The American Society of Civil Engineers (ASCE) definition for areas within hurricane prone regions that are located either (1) within one mile of the coastal mean high water line where the basic wind speed is equal to or greater than 110 mph and in Hawaii, or (2) areas where the basic wind speed is equal to or greater than 120 mph.
Things, such as fences, structures, or trees, which offer protection against the wind.
Wedge shaped step used on spiral stairways, which have a wider tread on the outside. Also called as a wheel step.
(1) The coils that are wound around a conductor which, produce electrical energy if moved within a magnetic field. (2) Warping of door or window frames.
Also called a winch, this hoist is made of a cable, wound around a drum, with a motor or crank attached, turning the drum and raising the cable load.
A WECS that is used to grind grain, and that typically has a high-solidity rotor; commonly used to refer to all types of WECS.
A generic term for a glazed opening that allows daylight to enter into a building and can be opened for ventilation.