Rough Opening vs Actual Window Size

Want to avoid costly mis-orders or get a good estimate for your windows? Begin by understanding the difference between a rough opening vs actual window size.

How to Frame a Rough Opening

WDMA 40x54 Window (Rough Opening: 40-in x 54-in; Actual: 39.5-in x 53. – China Windows and Doors Manufacturers Association

Clearly Secure 21.25 in. x 46.5 in. x 3.125 in. Frameless Wave Pattern Glass Block Window with Dryer Vent 2248SDCDV - The Home Depot

Tech Alert: The Size of the Window Opening Determines the Size of the Risk - Quality Built

Clearly Secure 17.25 in. x 36.75 in. x 3.125 in. Frameless Wave Pattern Non-Vented Glass Block Window 1838SDC - The Home Depot

Measuring for Replacement Windows

Measuring For New Construction Windows: The Rough Opening Size Type Of Window Window Trim And Type Of Sill

How to Measure Home Windows in 3 Easy Steps

Standard Window Measurements Guide

Measuring a Window – 1

StyleView® and StyleView® Contemporary Fixed Window Installation Instructions - Residential - YKK AP

Clearly Secure 31 in. x 31 in. x 3.125 in. Frameless Wave Pattern Vented Glass Block Window 3232VDC - The Home Depot

Window Rough Opening Moisture Management - Masonry Technology, Inc.

Clearly Secure 31 in. x 21.25 in. x 3.125 in. Frameless Vented Diamond Pattern Glass Block Window 3222VDP - The Home Depot

Actual Window Sizes vs. Call Sizes