HOWELLS ROOF LIGHTS
All of the products in howells comprehensive range are constructed from aluminium and thermally broken. They offer superior thermal efficiency coupled with low maintenance and stylist design.
With thermal efficiency and U-values in mind the standard 28mm double glazing units have an estimated center pane value of 1.2. this U-value can be further reduced to an outstanding 0.7 by using 50mm triple glazed glass units. The multitude of glazing options available also include various coatings and tints.