BOREAL Nature spray polyurethane foam is unique. Expanded with lavender water, it has the highest R value on the market. It offers an incomparable degree of waterproofing by preventing air and moisture infiltration. Also, BOREAL Nature adheres to almost all types of building materials and remains in place for the life of the building. GENYK is proud to offer a product containing a high proportion of renewable and recyclable raw materials. Finally, BOREAL Nature can only be applied by certified applicators who have undergone rigorous and continuous training.