A variety of insulating materials exist for both roofs and floors. If there is access to the loft space between the ceiling and the roof, an inspection will determine the level of insulation.
Katuse ja põranda soojustamiseks on olemas mitmesuguseid materjale. Kui majal on pööning, saab selle kaudu hõlpsasti kindlaks teha, millise soojustusega on tegemist.