Place the header on top of the columns and secure by toe nailing.
How to build gable porch roof.
From gable and shed roofs to hip and flat our information about how to build a porch roof will make the job easy.
Nail the first boards on top of your wall where you plan to build your roof.
When building a porch roof the header carries most of the weight of the roof.
An open gable porch seizes that opportunity and shows off its structural skeleton.
The roof of the house where i wanted to the porch to go is a gabled pitch and i knew i wanted the porch roof to match.
Use roofing tacks to attach roofing felt to the sheathing making sure to overlap it 3 4 inches at the edges.
Nail 2 boards onto your walls as top plates.
Then load bearing roof beams fixed to the trusses are extended in the same way.
Adding a porch to my house.
Ensure that it is substantial.
When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm.
After that you should fix the cornice board to the end sides of the ridge and the load bearing beams.
Nail 5 8 inch plywood sheathing on the trusses for roof decking.
Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs.
Sandwich a piece of 1 2 inch plywood in between the boards and nail together.