Composite windows Blend the desirable looks and helpful insulation of a timber window within, but have aluminium cladding on the exterior for simpler servicing and longevity. It is a resilient window with a reduced maintenance finish that also features the charm of wood internally. Good solution. Great do the job. https://lorealeyeliner11987.blogofchange.com/27299498/a-review-of-noise-reduction-secondary-glazing