With a helper extend the chalk line across the room pull it taut and align it perfectly with the pencil line at the room s center.
How to plumb a line floor to ceailing.
If your bob has come without string tie one end of a piece of string to the loop or hole on top of the plumb bob head.
Cut a smaller opening in the ceiling for the vent pipe.
Have a helper hold the pipes plumb as you mark the plate below for notching.
In simplest form a plumb line consists of a piece of.
Be careful not to rub or strike the line against the floor as this will transfer chalk to the floor.
Cut notches about an inch wider than the pipe to accommodate a fitting.
Step 3 hang the plumb bob.
Install the blocks on all the corners before plumbing the corners.
How to use a plumb line.
Otherwise driving the nails knocks the corners out of plumb.
Anchor the drainpipe with straps.
To space the string from the wall screw small 2 4 pieces to the top plate at both ends of the wall.
Slip lengths of 2 inch pipe down through the holes drilled in the floor plate for the tub and sink vents.
Plumb lines also called plumb bobs are alternatives to levels when you want to find a straight vertical line.
For a 1 1 2 inch vent pipe a 2 1 2 inch hole is sufficient.
Guide the vent pipe up through the hole and into the attic or room above and slip its lower end into the fitting at the floor.