A double hung window consists of a movable top and bottom sash.
Tighting vinyl windows.
If the spring becomes too loose and worn the window may begin to slowly close on its own after having been opened.
The upper sash can lower while the lower sash raises and both sashes can tilt out of the.
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.
Tighten the 8 screws once the sash has been adjusted.
They control the tension when opening and closing the window.
Too tight and you ll find them difficult or impossible to open and close.
The springs are located on the sides of the window in the frame.
Once the window has been adjusted give each of the 8 screws that you previously loosened a full turn clockwise to tighten them.
Vinyl windows require a bit more in terms of adjustment but the job still is relatively easy.
Finding the right balance is easy.
Step by step instructions for correcting a double hung window that is too loose or too tight in opening.
At this point your upvc window should fit snugly into the frame when closed.
How to adjust a double hung window spring.