No matter the reason the keys to a long lasting deck above a living space are the same.
Roof decking over old decking.
If you remove it all then reinstall you can have cracking and popping of the drywall ceiling.
The deck is not rotting out except for a few spots along the drip edge which we are cutting out to replace.
The joints between two materials will readily trap water in wet environments.
Plank decking in older homes plank decking may have been used for the roof decking substrate.
A reliable roof membrane and details that minimize any damage to the roof from the deck loads.
Spaced or skip decking many older homes in older.
This contact area should be limited only to the top of the joists leaving most of the decking exposed on both sides.
Installing decking over old decking will drastically reduce the lifespan of the material.
There are tons of reasons to build a deck over a roof from creating a romantic outdoor breakfast nook off a second floor master bedroom to providing a second floor porch on a city house.
The roof deck turned out to be 3 8 plywood which is starting to break down due to the number of times the roof has been replaced.
We knew that this old house had significant gaps in the wood p.