My Clearview models have eradicated condensation, built the rooms hotter and quieter - they are doing whatever they mentioned to the tin! We live in a Victorian flat with huge draughty sash windows. Our secondary glazing arrived at 7am to the day promised, equipped to the millimetre, will work flawlessly, https://town-dumfries-and-gallowa79012.answerblogs.com/34844774/a-secret-weapon-for-thermal-insulation