Develop symmetrical fittings in ductwork with unparallel planes A symmetrical fitting using the short or simplified method Bud Goodman July 1, 2008 No Comments This article describes Frank O’Rourke’s fourth rule of triangulation. Read More
Increased productivity helping to improve sheet metal shops Dennis Sowards June 1, 2008 No Comments There are many myths about how sheet metal shops can improve. Many of these are built on the faulty assumption that contractors want shop efficiency. Read More
One fits all Jim Segroves April 1, 2008 No Comments Specific data is not readily available, but it is generally believed that the vast majority of HVAC sheet metal shops are one- to three-worker shops with each fabricating an annual volume of less than 100,000 pounds of ductwork. Read More
Putting a twist fitting in ductwork Use basic triangulation to make a twisted fitting Bud Goodman January 1, 2008 No Comments As more building interiors incorporate open spaces and angled ceiling lines, exposing ductwork, putting a twist in fittings becomes more important.Read More
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