The main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang.
Roof framing names.
Refer to the figure as you study the terms discussed in the next paragraphs.
Common rafter valley rafter valley jack rafter hip rafter hip jack rafter cripple jack rafter dormer rafter.
A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.
The inherent strength and integrity of the triangular form makes the roof a sound structure.
Span is the horizontal distance between the outside.
It is a waterproofing layer made of regular felt stacked above the solid.
Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist.
A raised structure running part or all of the way along the ridge of a double pitched roof with its own roof running parallel with the main roof butterfly roof v roof london roof.
Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.
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The roof makes up much or all off the walls of the home.
Triangular upper part of wall at the end of a ridge roof hipped roof.
A kink separates the roof into two parts running towards each other at an obtuse angle.
A term used to describe a pitched roof the ends of which are also sloped.
It s a very simple roof design and is inexpensive because the roof serves as both roof and walls.
A sawtooth roof is two or more parallel pitched roofs in which the sloped and vertical surfaces alternate.
It s steep pointed roof which extends all the way to the ground or close to the ground.
The a frame is very easy to identify.
However now they are also used in modern home design.
Post a question or comment about roof framing support construction specifications practices.
Cement mortar filler on top of a chimney stack at the base of chimney pots or protruding flues.
Roof features associated with basic roof framing terms are shown in figure 2 2.
A v shaped roof resembling an open book.
A roof with a monitor.
Roof framing terms are related to the parts of a triangle.
As the name suggests the roof resembles the side view of a saw blade.
These are short spars that run from a hip to the eves or from a ridge to a valley.
Sawtooth roofs were once only used on commercial industrial buildings.
Collar tie also collar beam in profile the framing of a conventional pitched roof forms a triangle.
