Here is a little trivia.
If u cut part of a roof rafters.
The roof on this shed is a 4 in 12 slope which makes it a 18 and one half degree angle on the board ends.
Spelled hryge in old english the word was first used in reference to house roofs in the.
When you cut the rafters you ll need to make 3 separate cuts.
Your parents roof rafters were probably made from 2x8 s.
Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters.
The roof rafters provide integral structural support to the roof.
In order to maintain the support integrity of the ceiling or floor joist or rafter system it is important that if joists are cut that the load that was bearing on those joists be transferred to a modified support system.
In this video you will learn all about common rafters.
Roof truss parts explained.
Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter.
The ridge end of the rafter and often the eve end will need to be cut to the angle of the roof slope.
Cut sister boards if necessary with a circular saw.
The ridge cut also called the plumb cut at the top of the rafter the birdsmouth cut which itself comprises 2 different cuts where the rafter meets the building s wall and the tail cut at the base of the rafter.
If only part of the rafter was rotten you will need four boards to join the wood together.
If a board is cracked then placing a similar board on each side of the broken one and bolting or nailing the three together may correct the issue.
Truss repairs can be quite easy.
How to cut gable roof rafters with the step off method.
Let s compare common roof trusses with the roof framing materials that were used in your parent s house.
One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads.
If a part of a truss has been cut out then replacing the board or piece cut out is generally not to hard or expensive.
Most common attic trusses for homes and garages are made with 2x4 s.
While they look the same you probably didn t notice the subtle differences.
Cut four pieces out of a 2 by 4 that are each a foot in length.
Cutting and or removing joists to provide an entry or access can be the most difficult part of the overall project.
I show how to measure layout and cut gable roof rafters.
Horizontal beams supported by posts and used to support the mid span of rafters to cover longer spans these are used in large buildings like the traditional large old barns in the us.
