
· Estimia · Maintenance & Safety
Window Maintenance: The Complete Guide to Keeping Windows Working for Decades
Good windows are built to last 25–40 years, but only if they are looked after — and most never are. This complete guide covers routine cleaning, lubrication, seasonal adjustment, drainage, gasket replacement and material-specific care for PVC, aluminium and wood, plus how to fix the small problems yourself and when to call a verified professional.