Rowlock

Definition

A rowlock is a brick laid on its long edge, with its end exposed in the face of the wall. It is a brick pattern in which bricks are set on their face edges with the ends visible in the wall.

Purpose

The purpose of a rowlock is to provide a distinctive pattern and structural variation in brick masonry, often used for decorative or functional purposes such as window sills, ledges, and caps.

Examples of Use

• Rowlocks are commonly used in window sills to create a visually appealing and durable edge.
• In garden walls, rowlocks provide a decorative cap that protects the wall from weathering.
• Rowlock courses are used in brick facades to add architectural interest and detail.

Related Terms

• Header: A brick laid flat with its short end exposed, often used to tie two wythes of brick together.
• Stretcher: A brick laid flat with its long side exposed, the most common orientation in brick walls.
• Bond: The pattern in which bricks are laid in a wall.

Notes

Rowlock bricks must be carefully installed to ensure proper alignment and stability, as they often serve both decorative and structural functions.