Rafter layout with a framing square.
How to stick frame roof rafters.
Framing a roof is the last step in framing new construction.
Keep it simple and remember.
Additional boards are placed horizontally on the frames to create a complete cover for the structure.
Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center.
Floor beam span tables of residential structural design we will now look at roof rafter and beam design.
If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters.
Shed roof framing process explained step by step instructions.
With premanufactured trusses or with rafters and ceiling joists commonly called stick framing.
There aren t many differences between rafters and trusses.
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.
The roof rafters provide integral structural support to the roof.
From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it measure down y height from the long point of the rafter cut and make a mark.
Framing a shed roof is similar to framing a wall.
The rafters are usually positioned directly above the wall studs.
Position the square at the end of the rafter board with the tongue on your left and facing away from you.
They ll both result in the same quality when the build is finished each supporting the roof with the same strength.
The beam or the ridge is the central part of the structure as all the framing must be connected to it.
The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.
Here we have a wood framed gable roof.
Position the square with both the 8 inch on the outside edge of the tongue and the 12 inch on the blade on the upper edge of the board.
They can be handmade and installed as needed one piece at a time on site.
Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter.
A stick framed roof is made up of individual rafters and that are connected to a top beam.
Continuing on from part 3.
Stick to the basics of simplified design and use dimensions that don t generate waste.
Most roofs utilize 16 inch spacings for strength and rigidity.
Roof framing rafter layout.
This will the first point of the rafter measurement line using the results of your rafter length calculation measure from this point along the rafter measurement.
There are two common ways of framing the roof of a house.
While truss roofs are the most popular construction style today by some estimates truss roofs outnumber stick frame roofs two to one there are regions of the country where builders still prefer stick frame roofing.
The fascia board is the bottom plate and the ridge board the top plate.
Stick framing combines roof rafters with ceiling joists.
