Conservatory Jargon Buster

The definitive guide to common terms used in the design and installation of conservatories.


For over 20 years now Ultraframe has been the acknowledged market leader in the design and manufacture of conservatory roof systems. With over one million Ultraframe roofs already installed throughout the UK, the pedigree and quality offered by our roof systems is second to none. During this time Ultraframe have developed a widely recognised set of guidelines by which conservatory roofs are designed, specified, ordered and installed.

Ultraframe have complied this manual to explain and translate much of the jargon used in the conservatory industry. We have listed many of the commonplace words and terms used daily in connection with conservatory design and installation.

Each reference includes a list of possible alternative words (“also known as”), a full description of the product/component and a full colour picture, where appropriate, to illustrate its relevance.

To find the explanation for your jargon term just browse the terms alphabetically below or Search Our Site.

 

LABC

LABC

Also known as: Local Authority Building Control

LABC (Local Authority Building Control) are a membership organisation representing all local authority building control departments in England and Wales; they are a not-for-profit organisation dedicated to promoting public sector expertise.

Laminated glass

Laminated glass

Also known as: Safety glass, security glazing

2 x 3mm sheets of glass with 0.38mm resin interlayer (film). One type of safety glazing.

Landing

Landing

Also known as: Platform

A requirement for outward opening doors which are more than 600mm above ground level.

Lantern style roof

Lantern style roof

Also known as: Orangery

A lantern style roof occurs where a small roof effectively sits on top of another roof. The effect is decorative and traditional.

Lean-to

Lean-to

Also known as: Sunroom, Mediterranean, Sun lounge, mono pitch roof

A lean-to conservatory is a single/mono pitch roof type that slopes upwards from the front to the host wall.

Light oak

Light oak

Also known as: Woodgrain foil, Golden Oak, Cherrywood, Sherwood, velvet Cherry

A colour choice of laminate applied to the inside/outside, or both sides of white profile sections. Ultraframe's name for this colour is light oak.

Light transmission

Light transmission

Also known as: Percentage of natural light emerging

Light transmission refers to the amount of visible light transferred through a glass unit or polycarbonate.

Lintel

Lintel

Also known as: Beam, RSJ

Host wall structural support above window or door opening.

Low E glass

Low E glass

Also known as: Low emmisivity glass

Low E glass is specially coated glass designed to improve thermal performance. The coating is applied to the outer face of the inner pane (See hard coating). Pilkington K Glass is an example.

Low Modulus

Low Modulus

Also known as: Silicone, Sealant

Flexible, high elasticity, +/-50% joint movement capability.

Lowered valley

Lowered valley

Also known as: Drop valley

A lowered valley occurs where the half ridge is set lower than the full ridge on the lean-to section of a P Shape conservatory, as a result of a restriction on the height of the lean-to section.