With ongoing improvements and progress in insulation components and technological innovation, the future of thermal insulation appears brighter than previously. Do I would like a vapor barrier? Is dependent upon community weather and the kind of insulation. Lots of rigid foam boards have integral vapor obstacles on just one side. https://tablelamp88764.answerblogs.com/34958965/the-smart-trick-of-secondary-glazing-london-that-no-one-is-discussing