To find specific products for your rough opening use our find my size tool.
How to use rough in sizes for doors and windows.
Select from the tools below to find the specific size information you need.
If you re going to frame a rough opening for a door then you ll need to know the unit size.
If you are creating an opening no wider than 4 feet for a door or smaller window then you need a 2 by 6 header.
Sliding windows standard sizes have widths that range from 36 inches to 84 inches and heights that start at 24 inches to 60 inches tall.
Custom sizes are available in 1 8 increments.
Replacement windows are available in a variety of sizes that are listed according to width and height.
A window s size notation is basically width and height combined.
If you need a size beyond the maximum and minimum sizes shown in the chart below please contact your local pella representative to discuss additional options.
Standard door rough openings.
A wide variety of window sizes with both fixed and operable shapes including custom capabilities to fit most any project.
Pella windows are available in a wide range of standard and custom sizes.
View product minimum to maximum width and height ranges.
What size window do i need.
For standard wood framed construction the rough openings for doors and windows is typically the actual unit size plus 2 1 2 inches in height and width.
With a wide array of standard sizing and custom sizing in 1 8 increments rest assured that andersen can deliver a window or door that will meet your dimensions.
For example let s say we want to frame a 6 8 x 3 0 front entry door.
As their name suggests these windows open back and forth on a track making for an excellent style in a small space that requires easy ventilation like above a kitchen sink or in a small bathroom.
If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.
The information below provides a quick guide to determine available window and door sizes.
For example a window that s 4 feet wide and 3 feet high is listed as 4 0 3 0.
These windows are notably wider than they are taller.