What are the different parts of a roof called – Roof Glossary

Moving into your first house or you’ve recently noticed that your roof is defective and would like to understand what the issue is and how to fix it? TCK Roofing have put together a roofing glossary to help you understand the many parts of a roof.



  • Attic – this is the space found under a roof, generally used to store seasonal belongings such as holiday decorations, travel items and hobby gear. The attic, unless converted into a habitable room, is otherwise a room that isn’t used often and therefore will require adequate ventilation.

Roof Attic Diagram

  • Decking (aka sheathing)typically forged from plywood, this material is used to reinforce the roof’s structure, closing gaps and providing a fully sealed shelter. The decking is utilised as a nail bed, for the shingles that’ll be fixed to the roof.

Roof Decking Sheathing Diagram

  • Eavesthis part of the roof overhangs the building, to ensure effective rainwater clearance.

Roof Eaves Diagram

  • Fasciathis part is attached to the ends of the rafters and sits underneath the roof’s edge, connecting the rafters and trusses. Fascias can be seen from the ground and faults can be easily noticed.  

Roof Fascia Diagram

  • Flashingthis stops your roof from leaking. Roof flashing is the sealant that connects the joins of the roof in order to keep it watertight. The most common material used to make flashing is galvanised sheet metal.
Roof Flashing Diagram
  • Gutteringalso known as a rain gutter, eavestrough and surface water collection channel is an important part of the roof that takes rainwater away from the roof and into a drainage system.

Roof Guttering Diagram

  • Ridgethe horizontal line formed from where roof planes meet. This is the highest point/peak of your roof.

Roof Ridge Diagram

  • Saddlethis part is found behind higher projections on a roof, which helps to direct rainwater off and into the drainage system.

Roof Saddle Diagram

  • Shinglesthese cover the entirety of a roof and slightly overlap each other, working together to protect the underside of the roof from weathering. They come in a multitude of colours and shapes for aesthetic purposes.

Roof Shingles Diagram

  • Soffitsfound around the edge of a roof’s exterior, soffits bridge the gap between the ceiling and the exterior walls. Soffits can improve energy efficiency by keeping all weathering elements at bay and therefore, heating bills low.

Roof Soffit Diagram

  • Valleythese are the metal channels that come together to form a ‘V’.

Roof Valley Diagram



If you want professional advice and assistance, contact TCK Roofing today.