If a shingle is.
Roof over existing roof.
The cheapest option would be to leave the old roof in place and place the new rafters over the existing roof.
How does it work.
Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.
The condition of the existing roof is critical.
So roof replacement may not be the only option to your roofing problem after all.
The roof should be in sound.
Premade trusses will form the skeleton of your new roof above your old roof.
Adding another layer of shingles or metal over an existing roof could be your best solution.
How to do it remove caps.
With a traditional roof replacement we completely tear off your old roof and install a shiny new one in its place.
Use premade roof trusses premade roofing trusses will be easier and take less time than installing a stick built roof.
A roof over is the application of new metal or new shingles over the existing roof system.
Roofing over an existing roof is also called reroofing or an overlay.
Inspect the condition of your current roof.
Use a flat pry bar.
Doing it now will make it easier to keep the reroofing job clean.
Sounds simple enough right.
When you recover your old roof stays and the new roof gets installed on top.
First let s look at how roofing over also called recovering an existing roof actually works.
Remove the ridge caps.
Multiple layers of shingles can make it difficult or impossible for the nails to penetrate.
How to install a roof over an existing roof determine the feasibility.