Remove old roofing and repair any damage start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.
How to remove metal roof panels.
The edges are typically held down with trim pieces that are fastened to the edges of the roof beforehand.
To remove a metal roof simply reverse engineer the installation process.
Hammer down any large nails that are exposed by the removal.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line.
Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.
In many cases it makes sense to remove an old or dilapidated roof and install a metal roof that is better able to withstand the elements.
When you re ready to get started spray your roof using a garden hose with a spray nozzle attachment starting at the top of the roof and blasting downward so the dirty water runs off the sides.
The panels and trim are held in place by self tapping sheet metal screws installed with a drill driver.
To clean a metal roof wait for a dry overcast day and make sure you have a partner to help you for safety reasons.
Metal roofing is installed in overlapping sheets.