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Squaring a room

#1
11-16-06, 02:06 PM
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Join Date: Jun 2004
Location: US
Posts: 129
Squaring a room

I want to tile a room with 12" square tiles.Can anyone tell me how to square the room so that my rows end up straight and not on angles?

#2
11-16-06, 03:10 PM
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Join Date: Oct 2004
Location: WI/MN
Posts: 19,415
Not exactly a scientific answer, but I like laying out the tiles dry and rearranging until the layout is pleasing to the eye.

#3
11-16-06, 11:35 PM
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Join Date: Nov 2006
Location: USA
Posts: 1,342
If you want the grout joints to run parallel with the walls, first find out if the walls are parallel with each other. Measure the length of the left side wall, then the length of the right one. (or the other way around if you like) These two measurements should be the same. If they are, the end walls are parallel of each other. Next, do the same thing with the end walls. If the measurements are the same, the side walls are parallel of each other. The walls being parallel does not necessarily mean the room is square. Measure the room diagonally corner to corner. Then do it again only this time do it from the corners you did not measure before. This should create an imaginary "X" in the room. These two measurements should be the same. If they are, you're one of the fortunate few and the room is square which will make your life much easier. Assuming the room is square and the walls are parallel, measure the top end wall, (or left or north, or what ever), Divide this measurement in half, and mark the floor at the half way point. Do the same at the other end and then pop a chalk line connecting the two marks. This will establish your first control line in the center of the room. Then repeat this process only going the other direction. When you've finished, you should have two lines forming a cross in the room. The apex of the two lines will establish the dead center of the room. Then check to make sure these two lines are square with each other. Start at the apex point and measure three feet along one of the lines and make a mark. Then come back to the apex point and measure another line out four feet and make a mark. Which lines you use is immaterial so long as the two lines resemble an "L" shape from the apex point. Then measure the distance between the two marks you just made. They should be exactly five feet apart provided the first two marks were done at exactly three and four feet. If they are, the two lines are square with each other. This will give you two control lines that are square with each other and parallel with the walls from which to begin tiling.

#4
11-17-06, 09:45 PM
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Join Date: Jun 2004
Location: US
Posts: 129
Thanks for the info.

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