How To Re Roof In Sections
Cover roof deck with 30 pound felt underlayment.
How to re roof in sections. Trim tabs off roof shingles to create starter course. 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. California roofing requirements under the california residential code cover everything from what suitable materials to use to requirements for roof coverings to roof insulation. Nail down loose roof sheathing to rafters.
There are also provisions for fire classification weather protection re roofing roof drainage and solar power. Clear silicone would probably work. Snap vertical chalk line down center of roof. For the roof line you probably can purchase roofing caulk patch.
Use a good synthetic felt. Nail drip edge flashing to lower edge of roof. 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. Tear off the next and so on.
Reattach loose boards in the sheathing. 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. Pry off old roof shingles with pitch fork. In the roof valleys place the flashing where two sections create a valley.
Also caulk around the entire perimeter seam. Place the first and second row of shingles and also around vents and chimneys. Examine the sheathing for damage and rotted boards replacing the damaged sections accordingly. A roof re cover shall not be permitted where any of the following conditions occur.
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. Install the drip edge on the gable ends of the roof after you finish installing your underlayment. If 50 percent or more of the total roof area is re roofed within a one year period the entire roof must comply as an approved class a b or c roof covering or approved non rated roof covering. Finish the reroofing works.
Use a tin snips to cut the drip edge to size. Nail it every couple of feet. The roof can be. Caulk around every window frame.
Where the existing roof covering is slate clay cement or asbestos cement tile. 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.