How To Make An Uneven Ceiling Straight And Level
This article is to try and help those of you who have been trying to level an uneven ceiling and having very little success. There is a knack to the whole process but with a little understanding there is no reason why you shouldn't be able to achieve perfect results.
Here at 4K Construction we spend quite some time renovating and refurbishing older style buildings. We adore this kind of work as a great proportion of older properties are very grand and have plenty of character in them.
Older properties though, inherit a number of natural defects and just one of those defects is sloping or uneven ceilings. It's very common in older houses to see ‘wonky' ceilings but thankfully with a little tweaking here and there, it is not so difficult to get them looking nice and level again.
One of the worst things to see in a building is a ceiling that is running all over the place. You will notice it right away and the whole thing just looks like one terrible eyesore.
There are a couple of different ways of straightening up ceilings but one of the simplest ways is to add on new joists to the existing ceiling joists by simply screwing them to the side. If you wanted to you could do this with three by one timber but for an even better job and a straighter ceiling, you could use metal studs. They are relatively cheap to buy and are very straight with no bowing or ‘bananas' in them.
First thing you will want to do is establish a straight and level line around the perimeter of the ceiling. Make your reference points about an inch or so under the lowest point of the ceiling. You can do this with a standard spirit level but for higher accuracy I would recommend either a laser or rotary level, or even a water level. Once you have your reference points either draw or snap a chalk line so that you have your datum to work to.
First of all screw timber to the perimeter of the ceiling to the new level line that you have. I have known builders to also use metal stud for the perimeter but I feel timber offers greater reinforcement for this purpose.
Now fix two string lines up. Attach one string line to the bottom of one of the perimeter timbers you have fixed to the wall, and at right angles to the existing joists, and fix the other string line to the other end of the perimeter timber on the wall and also at right angles to the existing joists.
You now have 2 level lines to work to and all you need to do is screw the new stud to the old ceiling joists and ensure they are level as your doing this by checking that the studs slightly touch each end of the string lines. Remember, the string lines will run at right angles to the existing ceiling timbers so when you add the new studs, they will run parallel to the existing joists and should be screwed with forty or fifty mm screws.
This method works well for when you have stripped the ceiling right back, In other words, taken off all the old plaster etc. There may be times when this is not practical and in that case it is possible to build a new independent framework directly underneath the ceiling. This will lower the ceiling slightly and you should also be sure that the existing ceiling above is secure and not coming away, else you could have bits falling down and damaging the newer ceiling beneath. Constructing a separate framework is quite common where ceilings are just too high and it is more cost effective to have lowered ceilings and save on fuel costs etc.
You are only left now to plasterboard the new ceiling and finish with skim plaster.