Then shut the window a few times to confirm that it opens and closes properly.
Tighting vinyl windows.
Too tight and you ll find them difficult or impossible to open and close.
Once the window has been adjusted give each of the 8 screws that you previously loosened a full turn clockwise to tighten them.
Many modern replacement windows are vinyl and run on a spring system.
Tighten the 8 screws once the sash has been adjusted.
How to adjust a double hung window spring.
If your double hung windows are too loose they may rattle in the wind admit street noise and leak large volumes of air causing drafts and wasting your precious energy dollars.
At this point your upvc window should fit snugly into the frame when closed.
They control the tension when opening and closing the window.
Step by step instructions for correcting a double hung window that is too loose or too tight in opening.
Finding the right balance is easy.
Vinyl windows require a bit more in terms of adjustment but the job still is relatively easy.
The springs are located on the sides of the window in the frame.
A double hung window consists of a movable top and bottom sash.