Roof Wood Frame Construction

Shed gable hip gambrel and mansard.

Roof wood frame construction.

Collar ties rafter ties tension beams structural ridge beams. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. However it is also possible to build larger roofs using steel framing.

Common types of roofs and basic framing terms. The united states is well supplied with timber and has a diversified industry that manufac tures lumber and other wood products used in the house. A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. While lumber may have a cost of 4 per board foot 2 steel may be as much as 8 a board foot 2.

Gable a gable roof has a ridge at the center and slopes in two directions. Steel has a much higher cost than wood nearly twice as much for materials. It is the form most commonly used by. Framing materials are usually wood engineered wood or structural steel.

An example of each is shown in figure 2 1. Wood frame construction is the predominant method of building homes and apartments in the united states enabling this nation to have the world s best housed popu lation. 2x ceiling joists 2x solid blocking w approved framing anchor ea. 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.

The majority of roofs are framed using wood trusses 1 with a few using wood with steel bracing. It is a waterproofing layer made of regular felt stacked above the solid. Block double top plate wall section. Increasingly wood framing is also being used in com mercial and industrial buildings.

Roofs are framed in five basic designs. Some of these can support the roof and prevent ridge sagging and wall spreading. While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. Panel w 8d 6 6 12 oc common nails 2x roof r w r 30 batt.

A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. Framing a roof is the last step in framing new construction. Few if any materials can compete with wood framing in the construction of houses. Framing in construction is the fitting together of pieces to give a structure support and shape.