Roof Wood Frame Construction

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.

Roof wood frame construction. 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. Increasingly wood framing is also being used in com mercial and industrial buildings. Block double top plate wall section. Some of these can support the roof and prevent ridge sagging and wall spreading.

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. Panel w 8d 6 6 12 oc common nails 2x roof r w r 30 batt. Common types of roofs and basic framing terms. New construction will often cost quite a bit less than replacing a roof.

Framing a roof is the last step in framing new construction. 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. Framing in construction is the fitting together of pieces to give a structure support and shape. It is the form most commonly used by.

Roofs are framed in five basic designs. An example of each is shown in figure 2 1. Piece by piece rafter roof construction however is still the more common construction method for many buildings. Few if any materials can compete with wood framing in the construction of houses.

Gable a gable roof has a ridge at the center and slopes in two directions. Collar ties rafter ties tension beams structural ridge beams. 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. 2x ceiling joists 2x solid blocking w approved framing anchor ea.

The modern conventional wood frame house with wood or wood product covering materials is economical long lasting and can be constructed in any location. It is a waterproofing layer made of regular felt stacked above the solid. 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. Replacing an old roof frame requires additional home demolition costs of an additional 4 to 15 per square foot.

Shed gable hip gambrel and mansard. Slab on grade construction where stucco is applied over sheathing provide 2 layers grade d paper under lath n 2x4 stud wall 16 oc df stud grade. Framing materials are usually wood engineered wood or structural steel.