Abacus Construction Index USA
Roof Vents: Roof Vent Manufacturers
ABOUT ROOF VENTS
Roof vents are used to provide attic ventilation in both summer and winter. In summer, roof vents help to keep attics cool. This avoids the build up of moist summer air which can damage both roof structure and shingles. Roof vents also reduce cooling costs by reducing the temperature of the attic. In winter, roof vents help to keep attics dry. This reduces the risk of water backing up under shingles, which can cause damage to the shingles, insulation, and the roof structure. The most common type of roof vent is the ridge roof vent. This runs along the ridge of the roof, allowing warm rising air to escape.
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Power roof vents may be fixed into the roof, or into the vertical end gable wall. They may be powered from mains electricity or from solar panels integrated in the roof vent. Static roof vents take the form of roof louvers, wall louvers, or non-electric wind turbines. These use the wind to draw air out of the building using the Venturi effect.
LEADING USA ROOF VENT MANUFACTURERS
Active Ventilation Products: Roof Vents. Active Ventilation Products is based in Newburgh, New York. Since 2006 it has operated from a 63,000 sq ft building which allows for high volume production. It manufactures exhaust and intake ventilators, powered by wind or solar energy, under the Aura brand name. Aura roof vents are designed to produce a continuous exhaust to prevent condensation and the build up of heat in attic spaces. They are active ventilators, operating like a turbine, but without moving parts. Separate sets of slotted vanes create a circular movement of air within the roof vent. The Venturi effect creates a vacuum, which draws air out of the building.
The Active Ventilation Products website contains guidance articles. Topics include: When Mold Takes Hold, Ed McMahon & Wife Flee $4m Mansion with Deadly Mold, and How Many Solar Fans do you Need?
Air Vent: Roof Vents. Air Vent Inc, based in Dallas, Texas, manufactures a full range of roof vents. The Air Vent website is divided into Homeowner and Professional sections. Its roof vents are presented in the following categories: Attic Exhaust Roof Vents, Attic Intake Roof Vents, Foundation Vents, and Whole House Fans. Its Attic Exhaust Vents are of three types: Ridge Vents, Power Vents, and Static Vents. The Power Vents are available for fitting to the roof or vertical gable end. They may be powered by mains electricity or by solar panel. Static roof vents include roof louvers, wall louvers, and non-electric wind turbines. The latter require wind speeds of at least 5 mph.
The Air Vent website contains more than 20 articles on air vents. Topics include: Attic Ventilation Inspection Form, Ridge Vents in High Seismic Regions, Static Roof Vents Installation Instructions, Vented vs Sealed Crawlspaces, Ice Dams, Hip Roofs, and Sizing and Selection of Whole House Fans.
Duraflow: Roof Vents. Duraflow roof vents are manufactured by Canplas, based in Denver, Colorado. The Duraflow range of roof vents includes: Ridge Roof Vents, Roofing Vents, Roofing Exhausts, and Roof Flashing. Ridge roof vents are available in 4 ft sections with latch connectors, and are made from injection-molded polypropylene modified for impact and UV resistance. The have a code regulated insect grill. General purpose roof vents are designed to be fitted into the surface of flat or sloping roofs. They may be square or circular in shape, made from brown or black polypropylene.
The Duraflow website contains a briefing article about ventilation in both summer and winter. The article explains that poor ventilation through lack of roof vents can cause a range of problems including: damp ineffective insulation, curling and damage to roofing shingles, rotting of framing and ceilings, and peeling of exterior paint.
Solar Attic Fan Source: Roof Vents. SolarAtticFanSource.com is a specialist online retailer of solar powered roof vents. The Solar Attic Fan Source website is published by River Town Tech LLC, based in Grants Pass, Oregon. The product range of roof vents is organised into two main categories: Roof Mounted Solar Attic Fans and Gable & Wall Solar Attic Fans.
The aim of the solar attic fans is to remove the hot air from the attic, thus minimizing the transfer of heat into the home. The less attic heat that is transferred into the house, the less power will be needed for air conditioning, saving energy and cost. Solar Attic Fans can be installed into homes that already have ridge vents, but in those cases the Solar Attic Fans should be placed lower than normal from the ridge line of the roof in order to balance the air flow through the attic.
OTHER PRODUCTS RELATED TO ROOF VENTS
You may also like to visit our USA product guides on: Corrugated Roofing, Flat Roofs & Roofing, Metal Roofs & Roofing, Roof Drains, Roof Flashing, Roof Insulation, Roof Shingles, Roofing Materials, and Roofing Tiles.
CONSTRUCTION PRODUCT DIRECTORIES
We recommend the following professional construction directories, which include standard specifications, manufacturers' specs, and CAD details: 4Specs at www.4specs.com, Arcat at www.arcat.com, Arcom at www.arcomnet.com, Reed at www.reedfirstsource.com, Sweets at www.sweets.construction.com.
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Roofing Product Guides: Asphalt Shingles, Cedar Shingles, Copper Gutters, Copper Roofing, Corrugated Roofing, Dome Homes, Dome Houses, Flat Roofs & Roofing, Foam Roofing, Geodesic Domes, Green Roofs, Gutters, Gutter Guards, Living Roofs, Metal Roofs & Roofing, Metal Shingles, Modular Buildings, Portable Buildings, Residential Roofing, Roll Roofing, Roof Drains, Roof Flashing, Roof Insulation, Roof Shingles, Roof Vents, Roofing Materials, Roofing Shingles, Roofing Tiles, Rubber Roofing, Seamless Gutters, Slate Roofing, Solar Shingles, Steel Roofing.
Other recommended portals: Archbone, Building Design, Homeone Australia, Lighting Directory, Sapling, Stone Network.
Publisher: Abacus Construction Index is a professionally edited directory of recommended construction websites, published by Extonet Ltd. It is financed only by Google advertising; no payment is received from included websites.
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