Roof Decking Over Old Decking

We knew that this old house had significant gaps in the wood p.

Roof decking over old decking.

Installing decking over old decking will drastically reduce the lifespan of the material. The deck is not rotting out except for a few spots along the drip edge which we are cutting out to replace. It s important to know what kind of a substrate is underneath the wood shakes before removing. No matter the reason the keys to a long lasting deck above a living space are the same.

A reliable roof membrane and details that minimize any damage to the roof from the deck loads. 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. Plywooding over old roof deck one thing to consider when stripping off the old plywood is to remove and replace as you go. This contact area should be limited only to the top of the joists leaving most of the decking exposed on both sides.

Plank decking in older homes plank decking may have been used for the roof decking substrate. Solid sheathing most new homes built after the mid to late 80 s typically have solid roof sheathing. If you remove it all then reinstall you can have cracking and popping of the drywall ceiling.