There are over 140 obc changes to the 2012 building code released in 2019.
Minimum window height from floor ontario building code.
The mean height of the building and its exposure to wind.
Glass areas for rooms of residential occupancy.
The code regulates this minimum sill height only when the window opening is more than 72 inches above the grade below.
The ohba has created these top 5 lists for both part 9 and part 3 changes to the ontario building code.
Ground floor windows and 5 7 ft for upper levels.
The sill height of such window cannot be more than 44 inches from the finished floor.
Minimum 20 inches of net clear width opening.
Minimum window areas 1 except as required in article 9 9 10 1.
And sentence 3 the minimum window glass area for rooms in buildings ofresidential occupancy or rooms that are used for sleeping shall conform to table 9 7 2 3.
Where to install windows with tempered glass is not just dictated by the height of the window.
Exceptions can be made for windows that do not open more than 4 inches or that have window guards or opening control devices in compliance with astm f2090 17.
Minimum window sill heights.
Major requirements were set forth in the published 2018 i codes for windows doors.
According to the 2018 irc all windows that are more than 6 feet above the grade outside the window must have a bottom opening a minimum of 24 inches above the room s interior floor.
The well outside the window has to be at least 36 inches wide and 9 square feet in area.
The ontario building code minimum window areas 9 7 2 3.
The minimum opening area has to be 5 7 square feet 820 8 square inches with a minimum height of 24 inches and a minimum width of 20 inches.
Minimum 24 inches of net clear height opening.
To be used as eeros if they meet the size requirements and the bottom of the opening is within 44 inches of the floor below.
Forming part of sentence 9 7 2 3 1.
An illustrated guide to the building mechanical and electrical codes by redwood kardon et al conditions requiring a window to have tempered glass include a window lower than 18 inches from the ground larger than 9 square feet in area with a top higher than 3.
In such locations where the sill height is lower than 24 inches protection can be achieved by installing a barrier or limiting the dimensions of the window opening.
Maximum 44 inches to window sill measured from finished floor.
The majority of amendments come into effect january 1 2020.
According to code check complete.
In cases where the sill height is less than 24 the window shall not have an opening greater.
The ontario building code egress windows or doors for bedrooms 9 9 10 1.
Fall protection requirements state that windows with openings more than 72 above the finished grade or surface below are to have a minimum sill height of 24 above the interior finished floor.
