How to Install a Wellhöfer Attic Hatch

Access to lofts and roof spaces requires a large hole be made in the airtightness & insulation layer, which can then compromise the overall thermal performance of a building. Here, Roman Szypura from Clíoma House installs a Wellhöfer Attic Hatch using best practice techniques, such as sealing the corner junctions with airtight tape to ensure high levels of energy efficiency and long-lasting airtightness.