Do you mean sparse paneling with a thickness of 27 mm? How do you mean sufficient? Double plasterboard provides a thickness of 26 mm, and boxes are usually designed for either single or double plasterboard, so a box for double plasterboard works well to install even in a 27 mm thick wooden wall. Since this is a fixed installation, authorization is required to perform it, including the installation of boxes and the routing of pipes.
What I mean is if 27mm is enough for the box, and I know what you mean by double drywall, but my question is if 27mm in addition to that is sufficient. I am aware of the rules that apply to fixed installations.F fb35523 said:Do you mean spaced paneling with 27 mm thickness? How do you mean sufficient? Double drywall gives a thickness of 26 mm, and boxes are usually intended for either single or double drywall, so a box for double drywall works well to mount even in a 27 mm thick wooden wall. Since this is a fixed installation, authorization is required to perform it, even the installation of boxes and pipe laying.
Unfortunately, I don't understand what the question is about. Are you planning to have double gypsum and in addition to that a 27 mm grid panel, or do you mean that you will use the grid panel as a framework to attach the gypsum to? A box for double gypsum is often around 50 mm deep, so it needs up to 25 mm space behind the gypsum boards, which means it fits if you have a 27 mm grid panel as a framework. Some stores have the exact dimensions of their boxes available on the Internet, so just Google or go buy one and test it out. Please explain more precisely what the problem is, and I'm sure I or someone else can answer.
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