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.

Clearly Secure 17.25 in. x 13.5 in. x 3.125 in. Frameless Diamond Pattern Vented Glass Block Window 1814VDP - The Home Depot

WDMA Standard Window Sizing Tool - Download

How to Install a Window - This Old House

Rough Openings : Timely Industries

ThermaStar by Pella Sliding Window (Rough Opening: 60-in x 48-in; Actual: 59.5-in x 47.5-in) at

ToughGrade Vertical Slide Black RV Window 18 X 18 X 1 1/2 Includes Mounting Ring : Automotive

Standard Replacement Window Size Charts - Lake Washington Windows

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

Clearly Secure 19.25 in. x 32.75 in. x 3.125 in. Frameless Wave Pattern Vented Glass Block Window 2034VDC - The Home Depot

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

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

Clearly Secure 23.25 in. x 27 in. x 3.125 in. Frameless Wave Pattern Vented Glass Block Window 2428VDC - The Home Depot

How to Measure for Replacement Windows

Measuring for Replacement Windows

Standard Window Measurements Guide