You want the patch to extend past the hole at least 2 inches on each side.
How to patch holes in a tin roof.
Apply a coat of acrylic coating to the area around.
You can scratch around the hole with steel wool as abrading it will help it take the adhesive better.
Clean the repair area.
Do not place a ladder on a rain gutter.
Spread some more roofing cement over the roofing mesh then attach the other square patch.
Repairing holes in a roof requires that you to go on the roof itself so if this is a problem hire a professional to do the repairs.
Press one patch over the roofing cement.
The first step in the repair of any metal roofing material will involve cleaning the surface.
Step 1 use the putty knife to fill the whole with putty cement.
Cut a piece of polyester.
Next cut a patch from a sheet of metal roof panel slightly larger than the size of the hole that needs to be patched.
Measure the repair area and cut a patch.
Inspect the roof thoroughly to find all holes that require repair.
How to fill holes in a tin roof 1.
Apply the cement carefully with a putty knife until you ve sealed the hole completely.
Place a ladder on one of the eaves of your home and climb onto the roof.