Transcription of IRWIN Rafter Square Reference Guide - Irwin Industrial Tools
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IRWIN Rafter Square can also be used as a Protractor, Saw Guide , and Tri & Miter SquareL querre de charpente IRWIN peut galement tre utilis e comme rapporteur d angle, Guide de scie et querre paulement et ongletLa escuadra IRWIN para vigas tambi n se puede emplear como protractor, gu a de sierra y como tri-escuadra de Rafter Square Reference Guide Complete Instruction Book and Rafter Length 20118935 NorthPointe Executive DriveHuntersville, NC 28078 - a de referencia IRWIN para escuadras de vigaManual de instrucciones completo y tabla de longitud de vigasGuide de r f rence pour l querre de charpente IRWIN Manuel d instructions complet et tableaux des longueurs de chevrons1 IRWIN Rafter Square Reference GuIdeProfessional tradesmen use Rafter and Framing Squares to save time on roof construction projects. All of the necessary cuts for a particular Rafter can be laid out with these two squares. This Reference Guide will provide a basic knowledge of rafters and the Rafter Square to help you determine what scale and number on the Square to use, as well as all necessary tables for SDiagrams of Rafter and Framing Squares.
The procedure for basic roof construction is as follows (See figure 4.): 1. Obtain Rafter Run: Measure or calculate the horizontal distance the rafter will span, starting at the outside of the wall on which it rests and including any boarding on the wall if it extends to the wall top plate. 2. Obtain Roof Rise: Measure, calculate, or obtain ...
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