More complex roofs include other elements such as braces valley rafters and jack rafters.
Parts of roofing frame.
Parts of a roof a basic conventional roof consists of rafters ceiling joists and a ridge board as shown in figure 17 3.
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.
The truss is the skeleton of a roof made of a series of parallel beams.
Decking or sheathing usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the.
It is often used in simple roof trusses such as in the shed porch and garage.
For the most part though a typical roof structure will consist of the following parts.
First is the frame of the roof structure.
Hip this is an external angle formed by the intersection of two sloping roof planes.
They are usually spaced with 16 48 inches between each other.
The rafters are the supporting beams that run from the apex to the bottom of a roof holding up the truss.
Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters.
Rafters these are wooden beams that run from the top of the roof to the bottom.
In a nutshell it s made up of a central vertical post called the king post two rafters meeting at the apex and a tie beam or the horizontal base.
The ridge is the horizontal peak of the roof.
Find out what the different parts of a roof frame are called and what purpose they serve.
It is a waterproofing layer made of regular felt stacked above the solid.
The attic must be ventilated to protect the roofing system against excessive.
Rafters make the main framework of the entire roof irrespective of the type of the roof.
Roof edge or eaves edge attic.
From purlins to beams props struts rafters ties crowns and fascias.
Then gather your measurements by calculating the run rise and length of each rafter segment in feet and the pitch of your roof in inches.
The ridge is the peak where two sloped roof sections meet.
A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.
Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof.
The rafters when combined together help to form the truss.
To frame a roof start by choosing a roof style like a frame or gabled.
See chapter 18 hip valley and jack rafters.
The king post roof truss is the simplest of the trusses because of its simple composition.
Truss the truss is a framework comprised of wooden beams that helps to support the roof.
