Smallwood Roofing Square Book Pdf

Perpendicular to the roof ridge dormer rafter.

Smallwood roofing square book pdf. A rafter that sits on top of the main roof without cutting into the main roof. For example this rafter would be used when remodeling or adding on to an existing structure figures 1 and 2 on the next page show each type of rafter. Common roof plane square to the top of common rafter. Then a line running from the pivot corner of the square thru the number representing the rise of the main roof is the cut wanted.

Made of steel aluminum or plastic this common carpenter s tool combines a ruler a try square a protractor a line scribing tool a common width board ripping guide and a saw guide for making accurate 90 and 45 cuts with a hand or circular saw. 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. A carpenter s framing square includes some tables stamped right into the tool itself. Rafter book page 1 created date.

How to use a framing square and its etched on tables to figure out roof slope rafter lengths. This steel rafter roofing square has a body length of 600 x 50mm and a tongue length of 400 x 8mm. Plank roof decking 59 fiberboard roof decking 59 extension of roof sheathing at gable ends 59 sheathing at chimney openings 61 sheathing at valleys and hips 61 chapter 10 exterior trim and millwork 63 materials used for trim 63 cornice construction 63 rake or gable end finish 65 chapter 11 roof coverings 71 materials 71. Tongue body mark along the tongue to lay out the purlin housing angle on the hip or valley rafter use 2 708 on the tongue in a system with a 25 pitch as in this example.

Home construction tools steel aluminium squares roofing rafter square smallwood 390 390b rafter square accessories rafter booklet for use with 390 and 390b type smallwood square s. Use 10 on the body c h a p p e l unequal pitched 12 12 main. A speed square aka rafter square or triangle square is a measuring multitool. This is the exact book used with these squares since their conception and comes with all the tables and instructions for fully using the rafter square.

See h to get the pointed end cut the square is held in position for the plumb cut of the fiat roof.