Discussion Board Forum for Vinyl Windows

Are you shimming from both the inside and outside of the window? No, I am not shimming from inside and outside.... by the installation instructions, I am up against the outside blind stop and header after I tilt the window into position. I have checked these for plumb before proceeding to the windo...

When I shim new replacment installation of Crestline double hung window, the chanel edge of jamb causes pressure on front edge of window in excess of back edge of window... allowing top window to loose tension and slide to bottom sill whenever open. How do I shim with even pressure when jamb has cha...