The Glass Door and Steel Door Manufacturers

Welcome to the DoorTechnik website

DoorTechnik design and manufacture high quality, custom built glass doors, steel doors, security doors, acoustic doors, blast doors and fire rated doors in Lincoln, UK.

At DoorTechnik, we provide our clients with high quality, cost-effective glass doors and steel doors for a variety of applications. With expert knowledge of the industry we provide an excellent quality of product, whilst still maintaining competitive pricing.

If you have a particular situation that requires a specialist or unique design solution we are happy to provide a bespoke steel door or bespoke glass door design service. Our range of doors includes contemporary glass doors and contemporary steel doors which are ideal when appearance is of primary importance

Our experienced personnel would be pleased to offer advice on any size of project from a single doorset to major developments.

Steel doors

Steel Doors

A range of steel doors for internal and external applications in commercial, industrial and residential buildings


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Glass doors

Glass Doors

Our fire rated contemporary glass door range is suitable for a variety of purposes and is manufactured to specification.


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Fire doors

Fire Doors

Our fire rated steel and glass doorsets have been tested to BS 476, parts 20 and 22, and have achieved integrity ratings in excess of four hours.


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contemporary doors

Contemporary Doors

A range of contemporary steel doors & glass doors for applications in commercial and residential buildings where appearance is of primary importance


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Blast doors

Blast Doors

The BR20 blast rated steel door is based on our versatile G20 model. The doorset is calculated to withstand pressures of 47 kN/M².


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Glass Partitions

Glass Partitions & Screens

Fire rated glazed screens which are available for use internally or as part of a building entrance.



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security doors

Security Doors

A range of steel doors for internal and external applications in commercial, industrial and residential buildings


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Acoustic doors

Acoustic Doors

Our AC15 acoustic door has been tested to BS EN ISO 140-3 : 1995 and is available with weighted sound reduction values (Rw) of 33 - 41dB depending on specification.

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Louvered Doors

Louvered Doors

Our Louvre Doors are available as either fully louvered doors or partially louvered doors.


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Acoustic doors

Stainless Steel Doors

A range of contemporary stainless steel doors and glass doors finished in stainless steel.


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