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A ridge vent is a type of vent installed at the peak of a sloped roof which allows warm, humid air to escape a building's attic. Ridge vents are most common on shingled residential buildings. Ridge vents are also used in industrial warehouses to help release the hot air and help circulate comfortable air inside the building .
The majority of guidance available for design of heat and smoke building vents installed in buildings is restricted to nonsprinklered, single-story buildings. [4] This is partly a historical consequence of the installation of heat and smoke vents following the August 1953 General Motors, Livonia, MI major fire in a nonsprinklered manufacturing facility which effectively stopped the production ...
eBay office in Toronto, Canada. eBay Inc. (/ ˈ iː b eɪ / EE-bay, often stylized as ebay or Ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide.
A roof window is an outward opening window that is incorporated as part of the design of a roof. Often confused with a skylight , a roof window differs in a few basic ways. [ citation needed ] A roof window is often a good option when there is a desire to allow both light and fresh air into the space.
Air admittance valves (AAVs, or commonly referred to in the UK as Durgo valves and in the US as Studor vents and Sure-Vent®) are negative-pressure-activated, one-way mechanical valves, used in a plumbing or drainage venting system to eliminate the need for conventional pipe venting and roof penetrations.
O'Hagan is an Irish surname originally from the pre 10th century Old Gaelic Ó hAodhagáin, meaning perhaps "Little Fire from the Sun", being derived from Aodh the pagan sun god and Og meaning young, they are the "male descendant of Aodh" the pagan sun god, a personal name meaning "fire". [1]