AGEPAN® THD install is a butt-edged insulating fiberboard panel with an asymmetrical density profile, which complies with EN 13171. AGEPAN® THD install is vapour-permeable, thermal insulating and hygroscopic, and can be used as an installation layer or as pressure-resistant internal insulation in roof and wall areas. The solid surface layer enables plasterboards to be fastened directly to AGEPAN® THD install.