Published at Monday, 28 January 2019. Kitchen Window and Ventilation Hood. By Pedersen Wilda.
Ubiquitous roller shades can be rolled up, pulled down, or left in-between, providing the best light control and the most privacy. The old-fashioned spring-loaded ones eliminate cords. You don’t have to settle for white vinyl, or even plain fabric. Diane Hayes of Alameda Shade Shop suggests adding a special fringe or a scallop treatment at the bottom, or a stenciled decoration in paint
So where does a powerful range-hood fan get its makeup air? If the house doesn’t have enough random air leaks around windows, doors, and mudsills, the makeup air is often pulled backwards through water-heater flues or down wood-burning chimneys — a phenomenon called backdrafting. Since the flue gases of some combustion appliances can include carbon monoxide, backdrafting is dangerous. In some cases, it can be life-threatening.
Here’s the new IRC provision, which is found in section M1503.4: “Exhaust hood systems capable of exhausting in excess of 400 cfm shall be provided with makeup air at a rate approximately equal to the exhaust air rate. Such makeup air systems shall be equipped with a means of closure and shall be automatically controlled to start and operate simultaneously with the exhaust system.
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