How To Use Swanson Square For Roof

How to use a speed square the basics.

How to use swanson square for roof.

Invest in a larger speed square and you could even use it for longer cuts. This simple device is crammed with tables data and tricks that allow a carpenter to lay out roof rafters stairs or other building features. Just flip the speed square and use the back side of the tool. Rafters made by 2 x 4 s lay a carpenter square body flush with top edge of the rafter and marking the bottom edge of the square body.

Got pole barn plans. See tool speed square made simple part two. With a torpedo level and a speed square you can pretty accurately gauge the pitch of any roof with a gable end photo 1. For a 24 foot wide building the run would be 12.

Swanson was a carpenter in a small town outside of chicago. For rafters made in 2 x 6 s or larger lay the square body flush with the bottom edge of the rafter and mark along top edge of the square body. Then place a torpedo level on the fat base of the rafter square and adjust the square until the level is level. The swanson speed square is five tools in one.

More information on how to use the swanson speed square. How to use a framing square. Read the pitch on the side of the rafter square. The speed square was invented in 1925 by albert swanson.

If you ve ever spent much time on a construction site or watching youtube videos on making things chances are you ve seen a speed square. This video shows how to assemble a swanson big 12 speed sq. A framing square is a lot more than a simple square cut saw guide. Using a speed square as a try square.

First determine the width of the building the rafter span and the length for the number of rafters that will be needed. Originally invented by albert j swanson in 1925. As a miter square for accurately marking 45 angles and. Common rafter layout.

The swanson speed square has a diamond cutout along the ruler that allows you to square lines and make sure they re perfect. These triangular devices have been used by makers for decades. As a protractor for easily finding and marking various common angles especially roof rafter pitches and angles for stair stringers the vertical supports on a stairway. Place the pivot point against the shingles.

That diamond cutout can be used to make a notch or a birdsmouth for rafter work. Choose or determine a pitch the angle at which the rafters rise. Spacing roof rafters for plywood.