Roofing Contractors can work on metal, slate, tile, wood shake/cedar shake, and asphalt shingle roofs
https://replacementroofingcontractor451.readspirex.com/posts/asphalt-shingle-roof-repair-when-it-s-enough
Roofing Contractors can work on metal, slate, tile, wood shake/cedar shake, and asphalt shingle roofs, depending on the roof type and needs.