Thus, the time structure of the material and size change. The tree starts to deform. Window, or stop tightly closed or open with difficulty, or both, and another occurs at the same time. Nothing lasts forever, as they say. 3. Thermal insulation Wooden windows save heat better than plastic. It's true. At Robert Bakish you will find additional information. But is this more noticeable? Is it possible to 'naked eye'.. Read More