He insulated two loggias with heat blocks of this company, erected street walls. It is convenient to work with the material, the blocks have good geometry. They are light, so there will be no heavy load on the loggia plate. They are dense, but they are perfectly sawn with a hacksaw on wood. The polystyrene concrete heat block has excellent thermal protection properties, due to polystyrene balls, so the wall thickness is 200 mm. For private construction, the blocks are what you need.