A reliable roof membrane and details that minimize any damage to the roof from the deck loads.
Roof decking over old decking.
No matter the reason the keys to a long lasting deck above a living space are the same.
Spaced or skip decking many older homes in older.
Solid sheathing most new homes built after the mid to late 80 s typically have solid roof sheathing.
The joints between two materials will readily trap water in wet environments.
This contact area should be limited only to the top of the joists leaving most of the decking exposed on both sides.
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.
Plywooding over old roof deck one thing to consider when stripping off the old plywood is to remove and replace as you go.
We knew that this old house had significant gaps in the wood p.
Plank decking in older homes plank decking may have been used for the roof decking substrate.
If you remove it all then reinstall you can have cracking and popping of the drywall ceiling.
Installing decking over old decking will drastically reduce the lifespan of the material.