Minerit HD (Heavy Duty) façade boards are extremely well suited to both new buildings and the renovation of old buildings. Minerit HD is a safe construction material for façades, balconies and footings and for agricultural construction. Minerit HD’s smooth, natural gray and even-quality surface allows effective staining or painting if desired, but does not require any surface treatment. Minerit HD is a Finnish product that is made of clean and non-hazardous raw materials. As a Finish product, Minerit HD is designed to withstand wear and extreme weather conditions of the north, such as major temperature and air humidity fluctuations. In addition, Minerit HD boards are non-combustible.