Homeowner Professional

The roof is one of the most important components of any building. Learn about the different parts or elements of a typical roof.

Parts of a roof

The design of a roof can in some cases be quite complex and each part of it carries out a different functionality.

The different parts or components that make up a house roof are described below.

parts of a roof

ROOF

The covering that forms the top of a building, meant to protect it against the atmospheric agents and the weather. Roof shapes can differ greatly, but the main factors which influence the form are climate and materials.

ROOF PITCH

Each one of the sloping sides that defines the roof. The surface may vary from flat to pitched with different angles of inclination and its main purpose it is to redirect water and snow.

GABLE

Top end of the wall of a building, usually in the shape of a triangle, where it meets the sloping parts of a roof.

VALLEY

Edge which collects water from the sloping roof planes. The point at which two planes of the roof are joined. Concave.

HIP

Inclined edge, where water is channeled down the sides of the roof. Convex.

MANSARD

Lower slope, considerably steeper than the upper.

RIDGE

The top covering of the building, part of the roof where the sloping sides join at the top.

OVERHANG

The edge of a roof, protruding outwards, beyond the side of the building generally to provide weather protection.

EAVE

The edge of a roof that sticks out over the top of the wall.

VERGE

The edge of a pitched roof.  Traditionally mortared to prevent rain and wind ingress but now proprietary ‘dry’ systems are available.

FLAT ABUTMENT

Where the roof meets a vertical wall.

 DORMER

A window that sticks out from a sloping roof. 

If you are interested in knowing more about the different roof designs, do not miss our list of the 10 types of roofs.

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