Forterra Thermalite aircrete blocks are formed of up to 80 per cent recycled content, and are a cost-effective solution for wall, floor and below-ground applications. They offer high levels of thermal and sound insulation, as well as good compressive strength and moisture resistance. Thermalite blocks carry a BES 6001 Responsible Sourcing certification. Here at Materials Market, we have an extensive range of Thermalite products to choose from. If you need any help deciding which products to get, please get in touch with us using the chat function or by calling our office on 020 7459 4574.