A new coat of shingles over decaying shingles will cause your roof deck to decay.
How to build a new roof.
Past the exterior wall.
The solution is changing the roof pitch or building a new roof at a higher pitch than the old roof.
15 asphalt saturated felt underlayment some codes may require no.
You must not build the new roof directly over the old.
To build a roof start by deciding whether you want to put up a flat or pitched roof on your building.
To build your gable roof you ll need wooden boards cut into joists rafters supports and a ridge board in addition to sheathing felt paper and shingles.
Cover the rest of the roof with no.
In severe climate regions most building codes require applying it 3 to 6 ft.
Next measure the area and make calculations so you know how much of your chosen materials to buy.
Up from the eave minimum of 2 ft.
In this case you can build a new roof over the old with a caveat.
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Preplanning was essential to the build.
Buy it at roofing supply companies or home centers.
Cost of a new roof.
Preplanning was essential to the build.
A gable roof is a simple symmetrical triangular roof.
Purchase your materials including prefabricated trusses plywood covering and roof tiles.
The shed style allowed more windows near the high wall roofline which adds a lot of light.
The roof of a typical two story 2 000 square foot house with a gable roof will consist of less than 1 500 square feet of roofing area or about fifteen squares.