roof ventilator

roof ventilator

roof ventilators
A ventilator, 1 on the roof of a building, usually designed to exclude rain and snow. Also see ridge ventilator.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
If you have an unheated house, the problem can be mitigated by leaving a roof ventilator open slightly overnight to encourage positive air movement, which should prevent condensation from forming.
Open all ventilators and the door on warm days - during the night open only the roof ventilator.
Figure 4 shows a panel, lined with absorptive material, hung from a ceiling to reduce the noise from a roof ventilator. The panel's size is related to the fan's diameter and the distance of the panel from the fan.
With the completion of phase one, Greenheck leadership also revealed details about the second phase of construction, which will include more than 160,000 square feet of manufacturing space for dampers and power roof ventilators. The campus will support more than 600 jobs once phase two opens for production in early 2020.
Moreover, it believes in innovation and is best at offering green solutions with a thrust on solar power and green roof ventilators. Excerpts from an interview with Lijo George Kuttukaran, Managing Director, Lijan Group: Tell us about your repairs and maintenance services, and what edge do you enjoy over your competitors?