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...
Take the minimum yield in psi of the ASTM grade (see our Strength Requirements by Grade Chart for this value), multiplied by the stress area of the specific diameter (see our Thread Pitch Chart). This formula will give you the ultimate yield strength of that size and grade of bolt. Examp...
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...