The new roof matched the slope of the shed roof but it tied in slightly lower on the wall to simplify the building process.
Flashing shed roof addition.
Next the sheet siding for the addition was nailed directly to the studs to quickly enclose the space.
However the principles are the s.
Flashing was added along that wall to keep the water out.
Work from the height of the outside of the new shed roof.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
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.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
Open valleys have metal flashing to protect this critical area of the roof.
A shed roof should slope at least 1 inch per foot but 2 or 3 inches will be better.