Metric Roofing Square Instructions

Place the square with its fence on the top edge of the lumber.

Metric roofing square instructions.

Pivot the layout square so that the number 7 on the common scale lines up with the edge of the rafter. Admittedly it s rather confusing to call a shingle metric and then proceed to define it in imperial measure. The bottom layout line is parallel to the top and bottom faces of the beam. 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.

This can be expanded on the square by using 30 or 50 on the body and multiplying the given factor by 3 or 5. Side face layout for c hip or valley to purlin header this angle is also the layout angle for the side face of. Home construction tools steel aluminium squares roofing rafter square smallwood 390 390b black anodised aluminium rafter square 620 x 450 90 96. A carpenter s framing square includes some tables stamped right into the tool itself.

Starting at the pivot point along the top edge of the square mark your line while holding the pivot point firmly against the rafter and keeping the number 7 lined up properly. Embossed graduations and figures on work hardened steel for durability and long life. Locate the desired angle on the hypotenuse side of the square and pivot the tool until that angle s notch lines up with the top edge. The metric rafter square of claim 1 wherein said square includes a second table defining the angles of cuts for the several roof members and wherein the primary entry thereof is a series of numerical values for millimetres of rise per metre of run and there is provided a multiplicity of parallel series of entries defining the angles of the.

This steel rafter roofing square has a body length of 600 x 50mm and a tongue length of 400 x 8mm. O ur mission when we set out to develop this square was to make a solid durable and accurate square that would provide long term value to the carpenter not only through many years of use but also through expanded creativity. This will be the top plumb cut. Square and 10 on the body.

Iko was among the first roofing material manufacturers to introduce the metric size roofing shingle defined as being 13 1 4 inches long by 39 3 8 inches wide. 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. The best framing square in the universe. However 39 3 8 inches is the equivalent of one meter.