Roofing / Triangular end wall

Gable

/ˈɡeɪ.bəl/noun

From Old Norse gafl, “gable end.”

Definition

The triangular upper part of an end wall under a pitched roof, rising from the top of the wall to the ridge.

RidgeRake / bargeboardGable ventEnd wall
Fig. 86 — Gable: schematic studyNOT TO SCALE
Illustrative photograph of gable
Illustrative study — Gable · AI-generatedSAMPLE IMAGE
Photo study — Gable · AI-generated00:06

Structural & construction notes

Gable walls catch wind and need bracing at the ceiling and roof planes. The sloping edges, called rakes, are often finished with a bargeboard, and a louver in the gable can ventilate the attic.

An educational reference. Project-specific design requires professional guidance.