Building elements

Lintel

A lintel is a horizontal beam that spans the top of a window or door opening and carries the load of the wall, floor or roof above it.

Also known as lintels, window lintel, door lintel, timber lintel, lintel beam

Every opening interrupts the structure of a wall, and the lintel bridges it: it collects the load from above and passes it to the wall or studs on either side. In masonry and concrete walls lintels are made of steel, concrete or stone; in timber-framed walls they are usually solid timber, glulam or LVL.

In timber framing the words lintel and header are often used for the same member: lintel is common in the UK and Europe, header in North America. The lintel ends are commonly seated in square notches in the studs or on trimmer studs, so the notch has to be cut to the exact depth.

A square notch cut in a wall stud as the seat for a lintel
The seat for a lintel: a square notch in the stud, cut in one cycle.
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