Five-star mineral wool as standard
PolarHouse structures are insulated with Isover KL33 mineral wool as standard (Lambda=0.033 W/m²k). Its thermal insulation capacity adheres to the top five-star ultra class: the thermal resistance is over 10% better than that of standard mineral wool.
The product is made of inorganic and chemically neutral materials, it is rot resistant and odourless, and does not offer favourable conditions for fungi. The product complies with M1 emission class for building materials.