Standard Window Stool Size

Most trim pieces graduate in 1 4 inch increments.

Standard window stool size.

Beyond the casing on both sides. Or if you want a little fancier stool rout the edges with a more decorative bit. The stool should project 3 4 to 1 in. A standard size awning window could have a width from 2 to 3 10.

To find the length of the stool make a mark 1 in. If the sizing is out of scale it draws the eye to the wrong area. Awning windows are hinged at the top and open outward allowing for ample ventilation. They can be opened even during a light rain and are considered weatherproof.

You can decide which looks best beyond each side casing. Is there an accepted standard when sizing the width and depth of the stool and width of the apron. Add 1 inch for all edge details except eased standard edge add 1 if you choose eased standard and dog ear. Then hold the stool up and transfer the marks.

Refresh your old double hung windows or add a touch of class to your casement windows by making your own window stools. Standard door and window trim is typically 2 1 4 inches in width baseboard is about 3 inches and crown is about 4 1 2 inches. After the stool material is cut to length round the edges and ends. Measure the depth of the window opening.

Awning windows are often used with other window styles and are easy to open and close. I try to make my stool 1 2 wider on each side of the casing and widest part of the stool 1 4 narrower than the casing 3 4 less than edge of stool. If apron tile or wall treatments have not been installed you will need to add the thickness of that application to your depth measurement. Standard measurements typically vary 1 16 inch or more.