Smallwood Roofing Square Instructions

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.

Smallwood roofing square instructions.

As a miter square for accurately marking 45 angles and. Swanson was a carpenter in a small town outside of chicago. 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. Purlin housing angle on the side of hip or valley use the value on line 6 by moving the decimal point one place to the right.

How to use a framing square and its etched on tables to figure out roof slope rafter lengths. Look on the first line of the roofing square to determine the length of common rafters per foot run. Finance subject to status. In our example using a 25 common pitch use 2 708 mm on the tongue of the square and 10 on the body.

Rebuilding america one square at a time. A carpenter s framing square includes some tables stamped right into the tool itself. This article explains how to make quick use of a framing square and its imprinted data to get some basic roof measurement data like roof pitch or slope rafter lengths and end cuts. If the span in this example is 9 75 m 32 feet multiply 35 28 cm 13 89 inches by 4 8 m 16 feet and you get 565 cm 222 24 inches or a rafter length or 5 65 m 18 52 feet.