Do you prefer asphalt felt to plastic sheets when planning? Then you will definitely appreciate new elements in BIMTech Tools – asphalt felts for every conditions and setting imaginable. We put together sandwich components for various degrees of Radon risk, water pressure, or even the composition of green roofs that would be resilient to inward growth. If you design layering yourself, there is a wide selection of building materials available with their descriptions and pieces of advice as to where and why they fit best.