Maximum opening height - 44" Minimum clear opening width 20"Minimum clear opening height - 24" Minimum clear opening area 5.0 s.f. All bedrooms must have one window for emergency escape meeting the following minimums: ONTARIO BUILDING CODE GAS FIREPLACE CLEARANCES WINDOWSRemaining unfinished rooms/areas shall have windows with unobstructed ventilation area equal to 1% of the floor area served or artificial ventilation in the amount of. Artificial lights and/or mechanical ventilation (see ventilation section) may be used as an alternative if the existing windows are of inadequate size. One-half of this area must be available for unobstructed ventilation with screens included. Glass area in habitable rooms shall not be less than 8% of floor area served. For proposed bedrooms indicate the sill height, clear opening width, and clear opening height for the required emergency escape window. Show all new and existing window locations and indicate the overall glass size and ventilation area for each. Natural Light and Ventilation, Safety Glazing for Concrete Basements Studs may be bored or drilled, provided that the diameter of the resulting hole is no greater than 40 percent of the stud width, the edge of the hole is no closer than 5/8 inch to the edge of the stud, and the hole is not located in the same section as a cut or notch.Ī single flat 2x4 member may be used as a header in interior nonbearing walls for openings up to 8 feet in width if the wall above is not more than 24 inches. Studs in non-loadbearing walls may be notched to a depth not to exceed 40 percent of a single stud width. Stud spacing shall be per TABLE 1, shall have a pressure treated bottom plate and can have a single or double top plate. Interior finish materials shall not have a flame spread rating exceeding 200. Indicate size and spacing of new partition studs and finish wall material.Īpproved water-resistant gypsum backer board is required in bathtub and shower areas. Finished box-outs for structural or decorative beams, ductwork, plumbing and electrical systems shall have a minimum clearance of 6'-6", with a spacing of not less than 4'-0" on center.Ĭoncrete foundation walls in finished rooms/areas shall be furred out and insulated with a minimum of R-8 insulation extending down to the basement floor slab on basement walls less than 50% above grade and a minimum of R-13 insulation on basement walls that are more than 50% above grade.īasements having concrete foundation walls with less than 20% exposure above finished grade (based on height of wall times basement perimeter excluding unheated basement garages) may be uninsulated walls. Habitable rooms, bathrooms, hallways, and laundry rooms shall have a minimum ceiling height of 7'-0". and shall not be less than 7 feet in any dimension. Habitable rooms shall have an area of no less than 70 s.f. It should also be emphasized that especially on interior renovation projects many code requirements are verified through the inspection process and are not necessarily reflected within the approved plan documentsįind finished basement contractors near me. However, a plan reviewer may determine that unusual circumstances dictate the need for additional information on any particular project. The following requirements are meant as a guideline, which may apply to most simple residential basement finishing projects. Actual building codes may vary greatly depending upon region, state and city. NOTE: The following information is supplied as a guideline of what MAY BE ENCOUNTERED as far as local building codes are concerned. Codes & Permits for Finished Concrete Basements SAMPLE CODE REQUIREMENTS FOR FINISHED CONCRETE BASEMENTS
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