A silver colour metal, usually anodised in a satin or polished finish. Its qualities are very useful because it is strong yet light. It is very popular for door furniture used in commercial buildings.
This process is used on aluminium to produce a denser natural oxide layer. The result is a resistant layer to protect against corrosive elements. It lends itself to colour, decoration and is reflective.
An antiquing process gives door furniture an aged effect. It produces a darker or tarnished look that can be applied to brass pewter or steel.
A back plate is screwed to the door, usually rectangular, with the handle protruding.
From the door edge to the centre of the knob is a measurement called “the back set”. On a latch or lock it is the measurement from the forend to the centre of the keyhole or spindle.
A bathroom deadbolt is often tubular and operated by a separate turn and release. It can be confused with a tubular latch. Most bathroom deadbolts have a 5mm follower, but are available with an 8mm follower.
Bathroom turn and release lock
Latch & separate turn and release locks are-used on bathroom & bedroom doors.
The sliding bar for fastening a door such as barrel bolts, surface bolts, flush bolts, mortice bolts, monkey tail bolts, and bathroom bolts etc.
It is used for door handles and specifically for latches and locks, because of its property of low friction. Brass is a yellow alloy of zinc and copper.
A window with hinges that opens like a door. For this type of window you would use a fastener and stay.
These are suitable for roller ball latch that has a push and pull door action.
Chromic anhydride is used as a bath to dip the ironmongery to give a mirrored effect.
The bar part of a lock normally made from hardened steel or brass.
Deadbolts are used to keep the door in the locked position for additional security.
A short lever protrudes from the back plate of the switch. The finger has to go under the lever or over to push up or down rather than modern switches that you push toward the wall.
Normally made from cast iron and finished in black they are used for decoration and to give character.
The escutcheon, in ironmongery terms, is a plate normally made of brass or iron that surrounds the keyhole in the door. They are not only decorative but prevents damage to the wood of the door.
Design of three petal-like parts used in heraldry and as a decorative feature to ironmongery.
The visible face plate of a lock or latch once it is morticed into a door.
When iron or steel has been dipped and coated in zinc to prevent rusting and corrosion.
The design style inspired by the trends during the period of the reigns of George I, II and III.
Many door attachments are designed to echo the 'Gothic’ period. This European style was used between the 12th and 16th century.
A door handle is long and designed to be used to be lifted or pushed as opposed to the knob that is designed to rotate.
Ironmongery that has been shaped and styled by hand, by a process of plastic deformation using handheld tools, not poured into a mould.
The joint upon which a door swings.
An official kite shaped mark affixed to goods that have been certified by the BSI British Standards Institution. For example the standard BS 3621:2007 dictates the requirements for theft proof locks and is marked accordingly.
Knobs are made from various materials such as stainless steel, brass, porcelain, glass, wood. It is turned to open a door.
The joint of a hinge is described as the knuckle.
A hard glossy varnish that can be coloured or clear. Made from resin which is dispersed by solvent. A general rule is that in the UK a lacquer is sprayed on while varnish is applied.
Often referred to as a satin finish because of its lack of reflectivity.
A mortice is the cavity and groove. The lock needs a mortice knob with the lock positioned in the centre of the thickness of the door with equal width either side.
A ceramic material used to decorate traditional handles and knobs.
A technique used to toughen an object by giving a harder skin than ordinary paint. The process employs the use of electrostatic charging and high-temperature curing.
Polyvinyl chloride is a very widely used thermoplastic polymer.
Radius the measurement taken from the outer edge of a circle to the centre.
Retro is a style that is taken from past trends especially those of the recent past,.
Rim knobs are used with rim locks. These locks have the mechanism enclosed within a metal casing and are attached to the face of the door. They will either have a keyhole and key or a snib type lock. These locks are not insurance approved on outside doors.
Round or other shaped plate that has knob or handle affixed. The rose is fixed to the door.
Rose fixings are either concealed where the rose covers the screws or face fix where the rose has the holes in it making the screws visible.
Reddish brown or yellow brown coating formed on metal caused by moisture.
A simple country style of back plate latch and handle or knob. Made of iron or a metal that gives a metal effect often given a texture and painted black. Handles are often given a swirled end.
A latch with a spring that is standard on most doors.
Stainless steel does not rust or corrode under normal conditions. It is an alloy of at least 10.5% chromium, carbon and iron.
Fixed to the frame of the door the strike plate is designed to accept the deadbolt latch or lock.
Mainly used on external doors the hinge when opened is in the shape of a T.
A rustic traditional latch that uses the thumb for opening the door.
Tubular Mortice Latch
The most common method of opening a door is by using the tubular mortice with a handle or knob. The latch goes back into the door and returns on a spring when the door is closed.
Turn and release
Used for bathrooms or bedroom with a deadbolt lock, turning the thumb will lock the door.
A durable hard plastic that is used in the construction industry. Unplasticised Polyvinyl Chloride. is considered healthier than PVC.