Profiles and joints
Special case of old windows
In order to seal old windows, in the presence of rungs it must be checked whether the glazing consists of individual panes or runs continuously behind the rungs. If the window is constructed with individual glass cassettes, each disc bearing and the surrounding putty must be examined for leaks.
Especially with old windows in old buildings, the leak often lies between window frames and masonry. Often the outer window frames are "hung" only by wall anchors and the gap with filling materials such as straw, cow dung or plant fibers closed. In order to seal the window reveal, the filling material should be removed and the cavity filled with construction foam. " Save "distorted frames with new profiles
If a complete window sash has warped, repair is rarely possible. The application of elastic window sealing tapes can help if the window is still to close. Prerequisite is a sufficient "game" between the profiles.
An adaptation of the profiles is possible for some types of old wooden windows. Experienced carpenters and window manufacturers know with which profile the window seal closes again draft-free.
Tips & TricksIf you want to check the tightness of your wooden window and locate leaks, you can guide a candle along the frame on windless days. If there is a complete doldrums, one on the opposite side helps against a held hair dryer.