Step by step instructions for correcting a double hung window that is too loose or too tight in opening.
Tighting vinyl windows.
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.
Vinyl windows require a bit more in terms of adjustment but the job still is relatively easy.
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.
Tighten the 8 screws once the sash has been adjusted.
They control the tension when opening and closing the window.
If the spring becomes too loose and worn the window may begin to slowly close on its own after having been opened.
How to adjust a double hung window spring.
Many modern replacement windows are vinyl and run on a spring system.
A double hung window consists of a movable top and bottom sash.
Finding the right balance is easy.
The springs are located on the sides of the window in the frame.
Rotate the sash lock at the top of the lower sash to unlock the window.