Roofing glossary

Plain-English roofing terms.

Understand roofing terms like underlayment, flashing, valley, coating, decking, and written scope before approving work.

Useful details.

Protective layer beneath tile that often drives the real roof scope.

Metal or roof detail used around walls, edges, valleys, and penetrations.

Where roof planes meet and water concentrates during rain.

Protective top layer used on foam and some flat roof systems.

Structural roof surface below the roofing assembly.

Written description of what work is included and priced.