One would consider adding a gable roof to an existing roof for the following reasons.
How to add a gable roof to an existing roof.
How to tie a additions roof to existing roof roof additions to existing roofs how to construct a roof from an exsisting shead how to change a roof line how to attach a deck roof to existing roof how to add a roof over porch attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.
Then nail 2 x 4 s around the perimeter of roof area you will be adding a new structure to.
Plumb existing structure add cap plate and metal fasteners using a plumb bob a bubble level and a carpenters square check your existing wall and roofline to make sure it is square and level.
Either the addition is added to form a t shape to the house with the ridge running perpendicular to the main house roof or the addition is continued on the end of the house making it longer with the ridge running the same way as the existing house.
Staple on roofing paper and shingle the new shed roof starting at the bottom and working up.
However you can have an understanding of the work being done or even do it yourself if you have prior experience with roofing projects.
Several methods exist based on the current roof design.
Adding a porch to my house.
When a shed roof ties into an existing roof the new roof could be a simple lean to that covers a deck or porch or it could be the shed roof of a substantial addition.
Replacing a roof can be expensive but if a roof contains only a small slope it s possible to raise the roof pitch of a house by building a roof over the old one.
However for larger extensions you ll need to hire a professional to get up there and remove large portions of the roof before extending the overhang.
Add decking atop the roof and nail on metal flashing where the shed roof joins the existing roof.
Reinstall the removed shingles or use new shingles to cover the area of the old roof which was exposed.
Extending a gable roof can be tricky since it involves working on the roof but you may be able to do it yourself if you only need to add 1 2 2 inches 1 3 5 1 cm.
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.
In case you don t know what a gable roof is it s the kind of roof that s formed as two slopes meet at the top.
Here we will focus on adding length to the end of a house roof.
A gable roof would make the new room appear like it s a natural part of your home.