Installation layers are quite common in construction nowadays. This means that the vapor barrier plastic is, for example, placed 45 mm into the wall/ceiling. But the installation layer also needs to be insulated. Do people use any membrane or paper to hold the insulation in place until boards/panels are in place? On walls with the right on-center measurements, this is not a problem, but for ceilings, however...
I currently have an installation layer in the ceiling to manage, and in an old house, it is far from standard on-center measurements. That is, the insulation definitely doesn't want to stay in the ceiling. The ceiling will be covered with a wooden paneling. How do "people" do it? Do they space out their ceilings even if it's not needed for structural support (I already have about 600 mm on-center and ceiling planks)? I am reluctant to lose ceiling height since this sloped ceiling is already quite low near the outer wall/eaves.
It has become the model, "install a couple of rows of ceiling panels and then insert the insulation." All attempts to have insulation in place beforehand have failed, using wooden slats, strings, etc. Either the whole thing falls down, hangs down or gets caught in the tongue and groove when the ceiling panel is to be tapped into place. Maybe because I have a rather low-pitched roof (about 20 degrees).
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