Wednesday, April 21, 2010

Planning a Stud Wall

By James Redwood

A stud wall is a framework of timber or metal verticals (known as studs), strengthened by horizontal noggings fixed between them. Cables, pipes and insulation sit in the cavity which is created by the plasterboard sheets which cover each side of the wall. The wall is then plastered and decorated like a normal wall. It is the easiest way to divide up your room, but when planning a stud wall there are some things that need to be considered.

Firstly realize that even a stud wall may require planning permission from your local authorities. Make sure you are not violating any regulations concerning electrical circuits, ventilation or lighting and if necessary get permission before starting work. If the newly created room needs water or electricity, make sure you know where the pipes and cables that supply the existing room are, and that you have planned how you will split these off to supply the new room.

The thickness of the plasterboard to be used dictates how far apart the studs need to be. For 9.5mm board they should be no more than 400mm apart. If it is 12.5mm then they can be up to 600mm apart. Use this as a guide and adjust according to the thickness of your board. If you plan to plaster the wall use a board with square edges, tapered edge board is for dry-lining. The boards should be slightly shorter that the wall, so that you can maneuver them. Fit them close to The ceiling, leaving a small gap at the bottom which will be hidden by the skirting board.

Try to avoid fixing the stud wall to another timber wall if possible - masonry is a much more stale fixing. If this is not possible, then fix to a stud in the old wall. You can purchase an electronic stud detector to find where they are located very inexpensively. If you absolutely must put a stud wall between studs on the existing wall, be sure to fix it at the top and at the bottom using ceiling/sole plates, and also in the middle using a central nogging.

Ideally you should have your ceiling and sole plates crossing a joist. If they run the same way start building at a floor joist - there may not be a ceiling joist aliened with this but remember that you must fix the ceiling plate to something more solid than plasterboard. fit additional noggings to the ceiling joists if you have a problem here. This technique can be used on the floor too if necessary.

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