The sash window includes a fixed section on top and a removable bottom section. There’s also models where both sections are movable, however, the most common is the simple sash window. It opens by sliding the movable section upward. Its optimized conception allows fluid slip for effortless opening. The sash window meets rigorous standards on energy efficiency. Once it was found on older types of house, but it is now really popular and fits all styles, old and contemporary.
The sash window stands out with is simplicity of maintenance. Its removable flap which can tilt inwards facilitating the achievement of its outside.