Position the square at the end of the rafter board with the tongue on your left and facing away from you.
Framing a roof corner.
This video will show you one trick.
Add the length of the overhang beyond this mark and.
Nail the end stud of the short wall to the post corner with pairs of framing nails at each spacer block from bottom to top.
The framing square is used most frequently to find the length of the hypotenuse longest side of a right triangle when the lengths of the other two sides are known.
When you construct a new wall there are some framing trick you need to know especially when framing a wall corner.
Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.
Check for squareness by measuring diagonally from each.
This is the basic problem involved in determining the length of a roof rafter a brace or any other member that forms the hypotenuse of an actual or imaginary right triangle.
Lay your square in the corner of the plywood drawing working from the side of the diagonal line that represents the main roof.
Keeping the outside edge of the blade flush with the edge of the plywood slide the square until the 12 inch mark on the tongue intersects with the hip.