Need further explaination about the joist placement please give more details thanks?
Question:[he is talking about a joist ] the first stud from the end of the wall will be 15 1/4 inches from the center of that stud to the center of that stud at the end of your wall. Then they are 16 inches on center the rest of the way down.
Answers:
Here is an easier way. Hopefully you have a decent tape. Starting with you tape hooked to the OUTSIDE of ONE rim joist, Mark at 16, 32, 46, etc. Your tape should be marked for this with a RED line at these measurements. Use a speed square and mark at 16" intervals make a X next to each line on the side AWAY from the rim joist. So if you are measuring from left to right put the X on the right.
Now when you hang the joist align it to the line covering the X. Your joist will ALL be 16" on center.
You measure 15 1/4", from the outside of your rim joist. That is where your first 16" on centre is. Measure back 3/4", mark a line here with a square, and an X on centre.You may find it easier to drive a small nail [only in an inch, or so ] close to the line, so that when your tape is hooked on the nail the tape clip is exactly at the outside edge of the line. Now pull out your tape, keeping it square and tight, and make make V mark at all the stud [ 16" ] marks indicated by your tape. Don't forget your double and triple joists for walls, etc. Mark a line with your square, at the centre of the V marks, putting an X on centre [ the same side as the first one ]. If you are consistent in your steps, it becomes easy and you can really pick up speed. Your opposite header joist is a mirror image, don't forget. Be sure to use joist hangers if the code requires it, and crown all your joists and if possible keep the highs together and the lows together to prevent a wavy floor, keeping a sharp eye out for large knots or cracks which renders the joist's effective depth unacceptable. When framing, keep checking for square and even progress. Perfection here, pays off in speed and job quality, from here on in. If bridging is required, do it before you sheet, along with any special framing [ for toilets,chimneys, pipe and electrical chases, etc. It is so much easier to do this at your feet, than over your head.
same as last answer, except at each 16 in. (red) mark, mark back 3/4 in. this will allow your subflooning to break at center joist. ie.15 1/4, 31 1/4, 47 1/4. im assuming you mean floor joist, not cieling.
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