Source: pictures: https://oberstaller.it/de/projekte/wohnhaus-poelt/
Addition of a new window layer (on the inside) - Solution A
PDF - Addition of a new window layer (on the inside) - Solution A
copyright: Pavel Sevela
Addition of a new window layer (on the inside) - Solution B
PDF - Addition of a new window layer (on the inside) - Solution B
Best practice example – Hiberatlas
Giatla house - Innervillgraten, Austria