JELD-WEN Windows & Doors Measurements User Guide
- June 13, 2024
- JELD-WEN
Table of Contents
JELD-WEN Windows & Doors Measurements
Thank you for choosing JELD-WEN Windows. Please read this document fully before beginning. Consult your local building code official for applicable codes and regulations (particularly regarding minimum egress requirements). Installation of a replacement window will not eliminate existing problems such as wood decay and water leaks around the existing frame, which must be investigated and fixed prior to installation. Windows produced to user specified dimensions cannot be returned. Be sure the provided measurements are correct.
CHOOSING THE RIGHT WINDOW
Taking measurements for your new window depends on the type of project. Determine which of the following fits your project:
NEW CONSTRUCTION OR ADDITIONS.
- A nailing fin window will probably work best and is easy to install.
REPLACEMENT.
For these projects, you will be completely removing the old window and it’s
frame, or the old window sash and hardware and installing a new window into
the existing frame. Replacement windows come as entire units, or if you have a
wood double hung, you can replace just the sashes and operating hardware by
purchasing a sash replacement kit. Only certain windows are designed for
installation into an existing frame. Check with your supplier or see the
installation instructions for details.
- A finless or pocket window will probably work best in a complete tear-out situation because the interior and exterior trim can, in many cases, be left intact and undisturbed.
- You can install a finless or flush fin vinyl window into an existing aluminum or wood window frame if that frame is in good condition.
- Finless and pocket wood windows can be installed into an existing wood window frame if that frame is in good condition.
- Sash replacement kits are available for most wood double-hung windows and work well if the existing wood frame is in good condition.
INSTALLATION INSTRUCTIONS
We encourage you to check out the installation instructions online at www
.jeld-wen.com or on your window label before
beginning, to ensure you have the tools and skills needed for a successful
installation.
CONFIRM SQUARENESS OF EXISTING OPENING
Determine if the rough opening or existing window frame is square, level and plumb. You may need to remove some trim to properly inspect the opening .
- Measure the diagonals of the opening to determine if it is square. Measurements must be within 1/4″.
- To determine if an opening is level and plumb, first place a level against the side jambs.
- Determine if the plane of the window is vertical (plumb) by measuring the edge of the jamb, rather than the inside surface of the jamb. The opening cannot be more than 1/8″ out-of-level or plumb.
Caution! Correct any deviations before attempting to install a new window. Seek professional help if necessary.
MEASURE THE WIDTH AND HEIGHT
Take three measurements of the opening for both the width and height. Report the smallest measurement when ordering. All three measurements should be within 1/8″ of each other. If not, contact a professional to determine how to make corrections to the opening.
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Measuring for new construction or additions. Tip: windows with nailing fins are most appropriate for this installation. Measure the width and height of the rough opening in three places:
- 6″ from each corner (left- and right- sides, top- and bottom)
- At the center (horizontally and vertically)
- Report the smallest measurement. This is your rough opening size.
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Measuring for a replacement window when fully removing an existing window.
Tip: windows without nailing fins or flush fins are most appropriate for this installation. Remove the interior trim and measure the rough opening in three places:- 6″ from each corner (left- and right- sides, top- and bottom)
- At the center (horizontally and vertically)
- Report the smallest measurement. This is your rough opening size.
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Measuring for a replacement window when installing a window into an existing frame. Tip: windows without nailing fins or flush fins are most appropriate for this installation. Open or remove the sash(es) and measure the narrowest part of the window frame in three places:
- 6″ from each corner (left and right sides, top and bottom)
- At the center (horizontally and vertically)
- Report the smallest measurement. This is your rough opening size.
SPECIAL CONDITIONS
- For wood replacement windows, include a jamb depth measurement. Measure between the interior and exterior sash stops as shown.
- When installing a replacement window in a wood double-hung frame, use an angle finder (available at most hardware stores) to verify that the sill angle is the standard 14 degrees. If not, you must specify the angle degree when placing your order.
- If installing a wood pocket window or sash replacement kit, these products have detailed measuring instructions available at www.jeld-wen.com.
The information contained herein is provided solely for informational and/or educational purposes. JELD-WEN disclaims any and all liability associated with the use and/or provision of this information. Any reliance upon the information or advice is at the risk of the party so relying.
ADDITIONAL OPTIONS TO BE CONSIDERED
Be prepared to discuss the following about your order with your dealer:
- Sizing
- Exterior clad color
- Jamb liner color (double-hungs only)
- Grille patterns
- Energy efficiency requirements
- Building code requirements
- Professionally applied clad cover to existing trim (casing)
©2013 JELD-WEN, inc.; This publication and its contents are owned by JELD-WEN, inc. and are protected under the U.S. Copyright Act and other intellectual property laws. All trademarks, service marks, logos and the like (whether registered or unregistered) are owned or controlled by JELD-WEN, inc. or others. Unauthorized use or duplication of JELD-WEN intellectual property is prohibited. JELD-WEN reserves the right to change product specifications without notice. Please check our website, jeld-wen.com, for current information.
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