Snap vertical chalk line down center of roof.
How to re roof in sections.
Use a good synthetic felt.
Tear off a section dry it in.
There are also provisions for fire classification weather protection re roofing roof drainage and solar power.
Clear silicone would probably work.
Also caulk around the entire perimeter seam.
Per section 1504 1 of the los angeles building code labc wood shake or shingle roof coverings are not approved within the city of los angeles.
Where the existing roof covering is slate clay cement or asbestos cement tile.
Sweep the roof as clean as possible taking the time to remove any stray nails that didn t come up in the removal of the shingles.
Nail it every couple of feet.
The roof can be.
Tear off the next and so on.
Use a tin snips to cut the drip edge to size.
Reattach loose boards in the sheathing.
Staple felt every 6 to 8 inches.
Nail drip edge flashing to lower edge of roof.
For the roof line you probably can purchase roofing caulk patch.
Trim tabs off roof shingles to create starter course.
Use chalk lines to mark the points for placement of shingles.
Most importantly do a lot of research of the details of your roof how to properly flash a chimney looks like someone coated the whole thing valley details step flashings ect.
Where the existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing.
In the roof valleys place the flashing where two sections create a valley.
Caulk around every window frame.
Examine the sheathing for damage and rotted boards replacing the damaged sections accordingly.
Pry off old roof shingles with pitch fork.
Install the drip edge on the gable ends of the roof after you finish installing your underlayment.
Cover roof deck with 30 pound felt underlayment.
California roofing requirements under the california residential code cover everything from what suitable materials to use to requirements for roof coverings to roof insulation.
Start at the bottom side of the gable and overlap the sections of drip edge a few inches as you work your way up the roof see figure a.
Finish the reroofing works.
Nail down loose roof sheathing to rafters.