An addition to the side is more or less a separate building with its own foundation walls and roof attached to the original.
How to add on to existing roof.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
For every 300 square feet 28 m 2 in your home you should have at least 1 square foot 0 093 m 2 of ventilation.
The most common types of vents are soffits static exhaust vents and ridge vents that span your entire roof and you can install all of them easily with a few tools from.
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After that to make it flush with the roof of the existing house cut the two outer rafters.
Kick it or keep it.
Attaching below the ridge.
This is the simplest solution a single slope that s attached to the original house at the high point and slants down to the outer wall of the addition.
Tying in to an existing gable roof.
Adding space above your house means you re going to have to make some changes maybe big changes to the existing house just to prepare for the new space.
It s easy for the contractor to build and easy on the homeowner s budget says schultz but it makes the new space look like an obvious add on.
To tie into the side of an existing roof put a new roof truss on the walls of the addition brace it upright then snap chalklines on the shingles to mark the center line of the new roof valleys where old and new roofs will connect.
The next question is what to do with the existing eave under the new roof.
Choose a roof pitch 3 12 and roof structure 2x6 this places the new roof on top of the existing roof.
Roof vents are devices that allow moisture in your home to escape and prevent the growth of mold and mildew.
Attach the horizontal beam by using a nail gun.