Skip to main content
Stesso

Measure and Confirm Rough Opening

0:15
2:59
15.1M views

At 0:15 in

Learn window and flashing installation. Learn how to keep the water out💪 #window #flashing #learn

Watch on YouTube

What happens here

After the framing is complete and sheathing (such as OSB) is applied, the rough opening dimensions are established. The video demonstrates that for a new construction flanged window, the rough opening should match the labeled dimensions of the window itself (e.g., 24 inches by 24 inches), even if the actual window measurement is slightly less. This applies specifically to new construction flanged windows and not necessarily all window types.

Goal: Ensure the rough opening matches the window's specified dimensions.

Tools and materials

  • OSB Sheathing N/A — Exterior wall covering
  • Tape Measure N/A — Measuring the window and rough opening
  • Window BAS Window — The window to be installed, used for measurement

What they say

Hide

to bear only the weight of the window. This can get pitched to a 5° angle, but doesn't have to be. And then sheathing. This window is labeled 24 in by 24 in, so our rough opening will be those measurements, even though our window measurement is a 1/4 in short. This is for new construction windows and flanged windows. It's not always the case for all windows. How you can attach your water-resistant barrier. The woven style house wrap can hold water without leaking, but still allows vapors to

Auto-generated from the video audio.