Jargon Buster

Cantilever
A projecting beam that is secured at one end only.

Damp proof course
A layer of impervious material injected in towards the base of walls in order to halt rising damp.

Frog
The depression in one side of a brick.

Lath and Plaster
The traditional method of forming a plaster surface to walls and ceilings.

Sub-Soil
Soil immediately below top soil into which foundations usually bear.

Under-pinning
A way of re-inforcing weak foundations by inserting new foundations whilst supporting walls.