Begin by removing the shingles down to the wood sheathing and slip a strip of adhesive ice and water barrier available where roofing repair products are sold under the soffit main roof joint.
How to repair a roof under a roof deck.
First mark all the purlin locations on the deck joists.
A leaking roof deck can cause a high stress situation but if you follow these five steps you ll have everything under control.
Locate nails that hold shingles in place by lifting up on the end shingle above the one you plan to remove.
First order of business was to remove the old deck and repair the rotted house wall and replace the window in the same process.
Lower than the purlin along the house 12 x 1 4 3.
Remove the shingles over the area of the rotted roof decking identified previously.
Here is a diy under deck roof and drainage system part 1 i m here with my parents to show you how to install a diy under deck roof and drainage system part 1.
If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.
Install the purlin along the house and the outer purlin.
Then stretch a string between them.
Depending on how the roofs join you may have to cut a slot to work it in far enough.