Roofs are framed in five basic designs.
Roof wood frame construction.
Increasingly wood framing is also being used in com mercial and industrial buildings.
An example of each is shown in figure 2 1.
Framing in construction is the fitting together of pieces to give a structure support and shape.
A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.
Framing materials are usually wood engineered wood or structural steel.
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.
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.
While lumber may have a cost of 4 per board foot 2 steel may be as much as 8 a board foot 2.
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.
Some of these can support the roof and prevent ridge sagging and wall spreading.
Few if any materials can compete with wood framing in the construction of houses.
Block double top plate wall section.
Steel has a much higher cost than wood nearly twice as much for materials.
However it is also possible to build larger roofs using steel framing.
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.
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Piece by piece rafter roof construction however is still the more common construction method for many buildings.
Gable a gable roof has a ridge at the center and slopes in two directions.
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.
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.
It is a waterproofing layer made of regular felt stacked above the solid.
Shed gable hip gambrel and mansard.
Framing a roof is the last step in framing new construction.
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The modern conventional wood frame house with wood or wood product covering materials is economical long lasting and can be constructed in any location.
The majority of roofs are framed using wood trusses 1 with a few using wood with steel bracing.
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.
