Roof Decking Over Old Decking
The joints between two materials will readily trap water in wet environments.
Roof decking over old decking. If you remove it all then reinstall you can have cracking and popping of the drywall ceiling. 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.
A reliable roof membrane and details that minimize any damage to the roof from the deck loads. This contact area should be limited only to the top of the joists leaving most of the decking exposed on both sides. It s important to know what kind of a substrate is underneath the wood shakes before removing. The deck is not rotting out except for a few spots along the drip edge which we are cutting out to replace.
We knew that this old house had significant gaps in the wood p. 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. Plank decking in older homes plank decking may have been used for the roof decking substrate.