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Wood Frame Or Not ? Basement Concrete Installation

Wood Frame Or Not ? Basement Concrete Installation

Old 03-12-04, 08:05 AM
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Wood Frame Or Not ? Basement Concrete Installation

I am ordering new basement egress windows and the hole is 36 by 22 in 8 inch thick poured concrete .

1.Do I need to frame the window in wood 1st before I set it into the rough hole in the concrete wall?

2. The manufacturer is asking me... what size wood frame I will be making?

3. how does this wood frame effect the new studded wall or window sill I will be constructing ?

At present is is unfinnished poured concrete.
I am using standard 2 x 4 framing in this room.
Old 03-12-04, 09:31 PM
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Gee, the vendor doesn't sound too DIY-friendly...

I assume the only thing "chiseled in stone" right now is the opening in the wall.

How does the window attach? Does it have flanges, or are you expected to nail through the window casing into the framing of the opening?

If it attaches with flanges, you may well need to frame with 2x lumber to give the flange nails something to grip. Of course you might go without a frame and attach the flange using wall anchors.

If you are nailing through the casing I would still consider 2x lumber for the frame.

Are you sure the window doesn't come with instructions? Have you asked for a copy of the instructions?

I assume 22 inches is the horizontal measurement. By the time it's framed out and the window casing reduces the width, you won't have an egress window. I cannot imagine a firefighter with tanks and gear working his way through a window 18 inches wide.

The opening needs to be 5.7 square feet. You won't have it. Which dimension can be increased? The step into the window well can't exceed 44 inches unless a ladder is attached. The window sill itself can't exceed 44 inches from the floor.

Minimum height is 24 inches, minimum width is 20". And you need at least 5.7 sq ft.

So....which dimensions need to be altered?

The window well will be at least 36 inches clearance in width and length, minimum of 9 sq ft.

Last edited by SteveBausch; 03-12-04 at 09:41 PM.
Old 03-13-04, 07:30 AM
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Thanx so much for the over view.. I live in Toronto,Canada
and the "egress requirements are as follows 3 feet from grade.
no problem in a basement window at grade level, and smallest dimension is 18 inches..obviously not disigned for a fireman and gear, and the opening be at least 600 inches my math says 30 x 20. now my rough opening is 36 wide by 22 high the window is being designed for this dimension with the tilt style in use to accomondate the egress feature. your post shows me I have some more questions to ask of the window guy.
is it not possible to put the vinyl window straight into the
concrete opening without a wood frame. I guess I will be framing the opening first then sliding the window into the space.
Am I then using a "new Construction style window and requesting a nailing flange be on the window to accomodate
this step lots of questions.... before I am done


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