Ventilation Building Codes

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Maine

ARTICLE 14. LIGHT AND VENTILATION.
Section 1. Habitable Rooms.
(a) Every habitable room shall be provided with natural light and ventilation by one or more windows, opening directly on a street or on a court conforming to subsection 5 of this section.
(b) Such rooms shall be not less than 7 feet wide in any part, and shall contain not less than 70 square feet of gross floor area. Such rooms shall have a clear height of not less than 7 feet 6 inches for at least 60 square feet of floor area.
Section 2. Other Rooms. Every room, other than a habitable room, used or occupied by persons, except storage rooms with infrequent occupancy, shall be provided with one or more windows or ventilating skylights opening directly on a street or on a court conforming to subsection 5 of this section; or such rooms shall be provided with an approved means of mechanical ventilation.
Section 3. Access to Rooms and Waterclosets.
(a) In multifamily houses hereafter erected or altered, access shall be had to living rooms, kitchens and bedrooms without passing through a bedroom.
(b) Access without passing through a bedroom shall also be provided to at least one water closet, unless every bedroom has direct connection with a water closet or a bathroom having water closet accommodation.
Section 4. Windows
(a) The aggregate glass area of windows required by this section shall be not less than 1/10 of the floor area of the room served by them; provided that in habitable rooms such glass area shall be not less than 10 square feet and in bathrooms it shall be not less than 3 square feet.
(b) Windows or other openings required for ventilation shall have an aggregate openable area of at least 50 percent of the glass area required for lighting.
Section 5. Courts. Every court or yard if light and ventilation are dependent on such, required by this section to serve habitable rooms, shall have a width, at any given level, of not less than 1/3 of the height of such court, but not less than 6 feet.

 


 

 




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1/2“ Mesh Screens
Insect Screens
Dampers For Syphon or Eveco
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Adjustable Bases
Economy Bases
Standard Mounting Bases
• Flat Bases
• Ridge Roof Bases
• Curb Bases
• Slope Roof Base
Booster Fans
Cast Aluminum Ventilators
Extruded Aluminum Ventilators
Flange Extruded Ventilators
Flush-Flange Louvers
Roof Louvers
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