A roofer, roof mechanic, or roofing contractor is a tradesperson who specializes in roof construction. Roofers replace, repair, and install the roofs of buildings, using a variety of materials, including shingles, bitumen, and metal.

Roof decking (also known as roof sheathing) is the wooden boards (plywood or planks) that make up the framing of your roof. It's the foundation of your entire roof system and what your roofing materials are installed on.

Rafters or trusses are the main supports for the roof. They are usually made from wood in homes. But rafters could also be steel in some buildings. They are typically angled to provide a slope to the roof. Flat roofs do not have angled rafters.

Roof Gable: A roof gable is the triangular section of the outer wall at the peak of the roof between a sloping roof and eave. A roof gable is sometimes referred to as a rake.