In all cases, polystyrene foam, polyurethane or mineral wool can be used as a thermal insulation material (filler).
Depending on what material is used, the panels are attached to the frame or on screws, or using dowels.
In all cases, polystyrene foam, polyurethane or mineral wool can be used as a thermal insulation material (filler).
Depending on what material is used, the panels are attached to the frame or on screws, or using dowels.