The solution is to remove all three layers of roofing and start fresh directly on the roof sheathing.
Fixing roof sheathing root.
Eight foot 1 2 inch thick plywood is standard sheathing material.
Remove the shingles over the area of the rotted roof decking identified previously.
Stagger the sheathing in a brick pattern for extra strength.
Put in the extension and then band aid the side s to hold it in place and give it some rigidity up under the unseen sheathing.
Measure the damaged area between your roof rafters or trusses.
Asphalt shingles cost roughly 500 to 1 000 to replace or repair 10 by 10 square feet section.
Secondly the combined weight of the roofing material can exceed the strength of the roof framing.
Metal roofs cost on average 500 to 1 500 to repair improper installation fix loose seams or address any damaged fasteners.
Roof sheathing is a lot more than just flat panels onto which shingles are attached.
Moderate repairs are likely fixing and or sealing fixtures on the roof and replacing shingles and flashing around these objects.
You would have to go up into the roof and cut it off there.
First off the uppermost roofing shingles are likely to be uneven and inadequately anchored to the roof sheathing.
How to fix it.
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.
Cut a piece of 1 2 inch plywood that will cover the area.
Wood shakes or cedar shingles repair will.
The roof s sheathing helps to keep the roof trusses or rafters properly spaced.
How to install roof sheathing.
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.
Measure the opening of the section of roof to be shingled cut the plywood to size and nail to roof rafters.
Because driving nails up into the sheathing material will make things worse glue a piece of 1 inch rigid styrofoam to your piece of plywood.
Depending on how the roofs join you may have to cut a slot to work it in far enough.
Depending on how the roofs join you may have to cut a slot to work it in far enough.
Locate nails that hold shingles in place by lifting up on the end shingle above the one you plan to remove.