Examine weather stripping and seals each year for put on and lubricate hinges two times yearly to be certain smooth operation. Pay Specific awareness to drainage channels at The underside of frames retaining them clear of debris to stop drinking water accumulation. Weatherproofing. More mature windows can have hairline cracks https://basicmakeuptutorial37145.bloguetechno.com/the-greatest-guide-to-how-much-to-install-secondary-glazing-72170679