Building a porch roof requires basic carpentry and porch roof framing knowledge.
How to frame a hip roof porch.
First of all you need to design the layout of building.
Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries.
If the wall plates are all square of equal lengths then the hipped rafters would form a pyramid shape like the picture above normally a roof is rectangle and there are more yellow common rafters.
Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results.
Http bit ly subscribethisoldhouse he explains the difference b.
Here roofs are constructed with an angle of 90 degrees.
Hip and valley roof framing is no so complex as compared to hip roof framing procedures.
Now draw the centerlines for all rectangles that are formed inside.
Subscribe to this old house.
Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same.
Begin by measuring and cutting the wood then move on to installing the rafters and sheathing.
Hip rafters are the diagonal rafters that span from the ridge at the top down to the corners of the roof.
We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio.
Tommy silva gives the apprentices a lesson in hip roof framing.
Now outline the biggest rectangle inside the building layout.