How Cut With The Speed Square For Roof Pitch

Put the pivot point of the speed square a small hole marked pivot where the straight side of the square meets the side with the lip on it at the top edge of a rafter board.

How cut with the speed square for roof pitch.

Swing the square until you read the desired angle on the board s edge and make your mark. 1 the body 2 the adjustable arm. Use a level and a pencil to make a plumb vertical line on one face of an existing rafter. To find the pitch just place the pivot point against the shingles.

How to measure roof pitch with a speed square. How to use a speed square for protracting and pitch. Take a board a 2 x 4 or 1 x 4 works fine and hold the square so the lip is flat against the long edge of the board and the square lies across the face of the board. Then place a torpedo level on the fat base of the rafter square and adjust the square until the level is level and read the pitch on the side of the rafter square.

Move the square until the table on one side of the rectangular slot in the square is at the right pitch 5 on the top of the board. Description the stanley quick square is constructed basically of three 3 parts namely refer to figure 1. A speed square and level can be used to easily find the pitch of a roof. You can use the speed square to mark an angle such as when cutting a rafter tail by holding the pivot point against the board.

So if the pitch of your roof is 7 12 place one stair gauge on the vertical part of the framing square the tongue at the 7 inches 18 cm mark and place one stair gauge on the horizontal part of the framing square the body at the 12 inches 30 cm mark. This will give the framing square the angle you need to make the ridge cut. Use the table marked common top cut. The stanley quick square is designed to provide a quick accurate and repeatable means for laying out and cutting the various cuts on common hip valley and jack rafters used in roof construction.

Place the pivot point on the square against the bottom of the rafter and align the 90 degree angle side of the square with the pencil mark. Like the picture only the lip will be completely along the edge of the board.