Use the 3 4 5 triangle method to make the 90 degree angle.
How to frame a gable roof step by step.
Framing most common types of roof gable roof.
A gable roof for a shed can be built with rafters with a 1 6 ridge board or using trusses.
Use a miter saw to make the angle cuts to the rafters as shown in the diagram.
Use 2 4 lumber for the rafters.
Eliminate guesswork make a full size drawing of the gable wall on the floor of your garage or attic.
Then add the 2 4 side walls and the roof slope using a square.
Factors which influence their different shapes are mainly the region and local climate and available materials.
Nail 2 boards onto your walls as top plates.
Set out the wall plates to whatever centers you need for your gable roof 400 450 600 or 900 governed by the weight of roof covering ie tiles and cut fix the joists so they are parallel to each other and flush with the back edge of the wall plates.
During the construction process of your new tiny house cabin or cottage you will need to decide what kind of roof you prefer there are many types of roof trusses.
Begin with a baseline and snap a center line perpendicular to it.
Nail the first boards on top of your wall where you plan to build your roof.
Set a ladder at the outside of both corners of the end wall.
Much depends on the structure size and the desired attic loft or headroom.
Use 2 6 lumber for the bottom rafter.
Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs.
Building a gable roof for a 12 20 shed.
A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties.
Carry a gable end in and set it on the top plate upside down and backwards near the end wall.
Check out this book.
Raise it up horizontally and hold it in place with a 2 4 resting on the floor in the center of the base piece and one at the top center of the truss.
Use 2 4 lumber for the w shaped supports.
When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm.