Set the extension ladder against an eave of your house that does not have a rain gutter. Make sure that the extension ladder extends at least three feet beyond the eave of the roof to allow you a safe entry and exit point.
Spray the aerosol rust converter over the hole to stop the rust from spreading on the surface of your tin roof.
Apply a thin layer of the acrylic coating to the surface of the tin roof with the paint brush.
Use scissors to cut a piece of polyester mesh that covers an area four inches larger than the hole in the tin roof.
Set the polyester mesh into the layer of acrylic coating and apply another layer of acrylic coating over the polyester mesh to embed it in the roof.
Examine the repair area to ensure that the hole is sealed. If you notice any voids in the repair area, apply additional acrylic coating to the area to complete the repair.