![]() ![]() ![]() In order to build any but a shed-type roof, including trusses, you’ll need to first determine a few factors the span, rise, run and line length. The gable is the most common, and it can be complicated with multiple roof lines, including valleys and dormers. Roofs are framed in five basic designs: shed, gable, hip, gambrel and mansard. Simple roofs, such as a shed or the common gable, are fairly easy to construct, even without plans, if you understand the basics and a little geometry. Piece-by-piece rafter/roof construction, however, is still the more common construction method for many buildings. You can also build your own trusses if you have the equipment, or can rent the equipment to install them. ![]() They do, however, require extra manpower and lifting equipment to install in place. They are constructed at a factory to match your building and delivered on site. Pre-constructed trusses have also become increasingly popular. In many cases with purchased house plans, the details of the roof construction, including rafter design, are included. These days “cut-ups,” or roofs with a lot of valleys, dormers and other features, are increasingly popular. Another common design in the Northeast is the “saltbox,” which is a gable roof with one longer side. Roofs are basically five types: shed, gable, hip, gambrel and mansard. Roof framing is one of those carpenter skills that appears quite complicated, and indeed, some roof designs are difficult. Alternative Heating & Fireplace InsertsĮHT explores some basic roof framing techniques, from layout to installation. ![]()
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