The present invention relates tonew and useful improvements in calculating devices for use by carpenters, draftsmen, and others, whereby the rise of roof rafters, or the pitch or angle of other structural elements may be easily, quickly and accurately computed. An important object of the present...
I am currently working on a project that involves the use of a hydraulic torque wrench to tighten a series of nuts on an oil field blow out preventer or otherwise known as a B.O.P. So what I need to know is how many foot pounds of torque would be required to tighten these heavy h...
Account for Roof Pitch The pitch is the steepness of the roof. When you measure your roof’s pitch, you’ll need a tall ladder to reach its edges. Once you set up your ladder, balance a level against the rooftop and bring a ruler up top. Your roof’s pitch, also known as the slo...
timber membersroof constructionraftercarpenterright angleSummary This chapter contains section titled: The Pitch Using the Tables to Cut a Common Rafter Hip Jack Rafters Hip Rafters Valley Jack Rafters The Ridge Purlinsdoi:10.1002/9780470697788.ch4C. N. Mindham...