Glass reinforced plastic (GRP) is used instead of conventional timber or aluminium. This eliminates the risk of issues such as wood rot, swelling, condensation, cold conduction, sweating and damp. The removal of the usual need for a plywood outer structure also eliminates deterioration, is 100% weather proof and has a higher longevity.
Leka has also produced their own insulating finishing board for the roof. This is a third lighter than traditional plasterboards prior to finishing and offer insulation at the same time. Using all of the products specially designed by Leka, gives your home improvement a significantly higher lifespan, and all components are provided with a 40-year warranty.