#L

Lift

A lift (or sash lift) is a small, often brass or timber handle fitted to the bottom rail of a […]

Lead

Lead has been used for centuries in traditional windows-primarily as counterweights in sash window box frames and occasionally in leaded […]

Laminated glass

Laminated glass consists of two or more layers of glass bonded together with a tough, transparent interlayer-typically polyvinyl butyral (PVB) […]

Listed building

The United Kingdom protects special architectural and historic structures through formal recognition as Listed buildings which receive legal protection. The […]

Low-E glass

Low-E (low-emissivity) glass contains a thin metal coating which allows sunlight to enter, but bounces heat back into the room. […]