Acrylic render is an external wall covering made from acrylic or silicone based materials usually available in a number of colours.

Adhesive mortar is a mortar that bonds to a substrate or surface and can be used as a bed to mount a bead onto. Adhesive mortar can be applied to the surface in either a continuous line or in dabs and the bead pressed into place whilst the mortar is still wet.

Aggregate is the name given to materials such as sand or crushed stone used in render and plaster. 

Also known as a corner bead, this provides a straight finish to the render at an external corner whether within a window or door reveal, or at the extremities of a building.  PVCu angle beads provide protection from impact and are shock resistant and reduce damage to the render, especially in high traffic areas.

Self sealing beads for use around a reveal. APU beads have a mesh wing, a receptacle to receive render or plaster and on the underside of the receptacle a self adhesive foam strip that is pushed up against the reveal. APU beads will commonly have a self adhesive tear off strip that allows protective sheets to temporarily cover the reveal while render or plaster is being applied.

The sharp edge or ridge formed by two surfaces meeting at an angle, as in a molding.

Ashlar is a groove detail cut into a rendered surface to give the appearance of stonework.