Box gutter - a structural aluminium guttering that collects rainwater where a conservatory roof drains towards a wall.  This connects into the standard conservatory guttering.

Tie bar - a structural requirement used on larger conservatories to stop the roof from sagging.

Ridge - is the section at the top of the conservatory roof where the cresting and finial is fastened.

Edwardian - a square fronted conservatory with a ridge central in the roof.

Georgian - another name for the Edwardian.

Lean to - a conservatory with a single slop for a roof.

Victorian - a bay fronted conservatory with a ridge central in the roof, normally three or occasionally five segments at the front.

P-Shape - a combination shaped conservatory usually made with a lean to at the side of a Victorian or Edwardian conservatory.

Valley Gutter - the guttering section used on P Shape conservatories or on any other type of conservatories where two parts of a roof drain towards each other.

Cresting - the decorative sections that run along the top of the ridge

Finial - the single pointed decorative point at the end of the cresting.

Gable - an Edwardian shaped conservatory that does not slope back at the front of the conservatory, leaving a triangular shaped window frame to the front elevation.

Espagnolette (also known as espag) - a window locking system that is concealed within the chambers of the PVCU profile.

Shootbolt - a high security locking system working on the same principle as the espagnolette, except for additional locking points that are thrown out og the corners of the opening window.

Portal Frame - an engineering steel frame used on especially large conservatories to provide structural stability.

Friction Stays - these are the hinges that are used on PVCU opening windows