





Turenwerke SL75 Design 1450B Premium75 Aluminium Door - Black Grey RAL 7021
The Turenwerke SL75 Design 1450B Premium75 Aluminium Door in Black Grey RAL 7021 delivers a bold, contemporary entrance solution that combines striking aesthetics with high performance. Featuring a deep charcoal-toned finish, this aluminium front door adds a strong architectural presence, making it an ideal choice for modern homes, extensions, and high-end renovation projects across the UK.
Built using the advanced Premium75 aluminium door system, this design incorporates a robust 75mm thermally broken profile that significantly improves thermal efficiency. When paired with high-performance insulated panels and optional double or triple glazing, the door helps achieve excellent U-values, reducing heat loss and supporting lower energy bills.
The 1450B door design offers a clean, solid appearance that enhances privacy while maintaining a sleek, minimalist look. Aluminium’s natural strength ensures outstanding durability, resisting warping, corrosion, and weather damage. The premium powder-coated finish in Black Grey RAL 7021 is UV-stable and low maintenance, retaining its rich colour and smooth finish over time.
- Stainless rosette with burglary protection
- Aluminium Threshold with thermal break
- 3-Point hook lock from Winkhaus
- 3x 3D adjustable hinges (Painted in door colour)
- Anti-lift out frame pins

- XPS foam insulation
- Aluminium frame 75mm with thermal insulation.
- Powder-coated aluminium cover
- 3-Pane Glazing ( Optional laminated safety glass or RC2 )
- 18.5mm x 64mm Aluminium Threshold - With thermal break and water drainage ( Click here for more details )

Standard Colour Range:
Wood models obtained by sublimation:
- Door Leaf thickness: 75mm
- Colour: Black Grey RAL 7021
- Comes with Winkhaus 3-Point hook locking system as standard
- IFT Rosenheim security class RC2 glazing can be chosen as an option
- Motorised lock option available. Smarthome with a fingerprint reader - you will never need your key again!
- Stainless steel handlebar: Long or short? Silver or black? Round or square? We have them all!
- 3 reinforced roller hinges - adjustable in 3 directions, round and matched to the colour of the door.
- 2-chamber aluminium profile with thermal break, stable and durable. Sidelight and top light available.
- Standard glazed door comes with triple glass and with VSG Secure option- quadruple glazed hard secured laminated glass is provided
- Leaf surface: Powder-coated aluminium sheet - each 2mm thick
Additional Options description:
- All doors are supplied with a frame
- Door Handing is possible both inwards and outwards. Please check the product image for more details
- Top frame extension can be ordered for a larger structural opening to fill out gaps
- Side frame extension can be ordered for a larger structural opening to fill out gaps
- Handles or Knobs, if ordered, will cover both sides of the doors. (Blackline door version is supplied with black handles). Bar door handles are provided with a Bar handle outside and a normal handle inside
- Standard door comes with Winkhaus 3-point hook locking system - Door can be locked and unlocked using the key.
- GU-Automatic 3-point lock version, if ordered, locks the door automatically when closed and can be opened from inside. (Keys are needed to open the door from outside)
- Additional locks: (i) Motorised lock with fingerprint reader, (ii) Motorised lock with keypad reader, (iii) Motorised lock with both fingerprint and keypad reader.
- With an additional electric strike, the door can be unlocked from the outside, when a bar handle is fixed outside ( Day function - Keeps door unlocked, Night function - Keeps the door locked )
- For black glazed doors, all glazing options are free whereas for standard glazed doors grey glass options incur an additional cost
- Standard glazed door comes with ultra-safe glass with triple glazing.
- Sidelight dimensions are calculated with the frame included. Specify your sidelight dimensions (in cm.) in the comments section.
- Letterbox options available for designs: 00/20, 01/21, 02/22, 04/24, 11/31, 14,34.
Side-light and Top-Light Options:

Door Assembly Instructions:
Contents Inside:
- Aluminium frame with thermal insulation and wooden stiffening
- 3x 3D adjustable roller hinges with door hinge bolts
- Winkhaus 3-point hook locking system
- Profile cylinder with keys
- Aluminium Threshold with thermal break
- Glass Design includes: 2 chambers, triple glazing
Note: Free shipping for all Turenwerke doors
FAQs
Yes, the Turenwerke SL75 Design 1450B Premium75 Aluminium Door features a 75mm thermally broken aluminium profile that helps reduce heat loss. When combined with insulated door panels and optional double or triple glazing, it delivers excellent thermal performance suitable for modern UK homes.
This aluminium front door is designed to support advanced multi-point locking systems, reinforced door construction, and premium hardware. The strength of aluminium adds extra resistance against forced entry, providing reliable security and peace of mind.
Black Grey RAL 7021 is a deep charcoal-grey finish that offers a bold, modern appearance. It pairs well with contemporary architecture as well as traditional brick and stone façades, making it a versatile colour choice for UK properties.
Yes, the Premium75 aluminium door is finished with a durable powder coating that resists fading, corrosion, and weathering. Routine cleaning with mild soap and water is all that’s required to keep the door looking new.
The Turenwerke SL75 Design 1450B Premium75 Aluminium Door can be customised with a range of glazing options, hardware finishes, and security upgrades, allowing homeowners to tailor both the appearance and performance of their door.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Turenwerke SL75 Design 1450B Premium75 Aluminium Door in Black Grey RAL 7021 delivers a bold, contemporary entrance solution that combines striking aesthetics with high performance. Featuring a deep charcoal-toned finish, this aluminium front door adds a strong architectural presence, making it an ideal choice for modern homes, extensions, and high-end renovation projects across the UK.
Built using the advanced Premium75 aluminium door system, this design incorporates a robust 75mm thermally broken profile that significantly improves thermal efficiency. When paired with high-performance insulated panels and optional double or triple glazing, the door helps achieve excellent U-values, reducing heat loss and supporting lower energy bills.
The 1450B door design offers a clean, solid appearance that enhances privacy while maintaining a sleek, minimalist look. Aluminium’s natural strength ensures outstanding durability, resisting warping, corrosion, and weather damage. The premium powder-coated finish in Black Grey RAL 7021 is UV-stable and low maintenance, retaining its rich colour and smooth finish over time.
- Stainless rosette with burglary protection
- Aluminium Threshold with thermal break
- 3-Point hook lock from Winkhaus
- 3x 3D adjustable hinges (Painted in door colour)
- Anti-lift out frame pins

- XPS foam insulation
- Aluminium frame 75mm with thermal insulation.
- Powder-coated aluminium cover
- 3-Pane Glazing ( Optional laminated safety glass or RC2 )
- 18.5mm x 64mm Aluminium Threshold - With thermal break and water drainage ( Click here for more details )

Standard Colour Range:
Wood models obtained by sublimation:
- Door Leaf thickness: 75mm
- Colour: Black Grey RAL 7021
- Comes with Winkhaus 3-Point hook locking system as standard
- IFT Rosenheim security class RC2 glazing can be chosen as an option
- Motorised lock option available. Smarthome with a fingerprint reader - you will never need your key again!
- Stainless steel handlebar: Long or short? Silver or black? Round or square? We have them all!
- 3 reinforced roller hinges - adjustable in 3 directions, round and matched to the colour of the door.
- 2-chamber aluminium profile with thermal break, stable and durable. Sidelight and top light available.
- Standard glazed door comes with triple glass and with VSG Secure option- quadruple glazed hard secured laminated glass is provided
- Leaf surface: Powder-coated aluminium sheet - each 2mm thick
Additional Options description:
- All doors are supplied with a frame
- Door Handing is possible both inwards and outwards. Please check the product image for more details
- Top frame extension can be ordered for a larger structural opening to fill out gaps
- Side frame extension can be ordered for a larger structural opening to fill out gaps
- Handles or Knobs, if ordered, will cover both sides of the doors. (Blackline door version is supplied with black handles). Bar door handles are provided with a Bar handle outside and a normal handle inside
- Standard door comes with Winkhaus 3-point hook locking system - Door can be locked and unlocked using the key.
- GU-Automatic 3-point lock version, if ordered, locks the door automatically when closed and can be opened from inside. (Keys are needed to open the door from outside)
- Additional locks: (i) Motorised lock with fingerprint reader, (ii) Motorised lock with keypad reader, (iii) Motorised lock with both fingerprint and keypad reader.
- With an additional electric strike, the door can be unlocked from the outside, when a bar handle is fixed outside ( Day function - Keeps door unlocked, Night function - Keeps the door locked )
- For black glazed doors, all glazing options are free whereas for standard glazed doors grey glass options incur an additional cost
- Standard glazed door comes with ultra-safe glass with triple glazing.
- Sidelight dimensions are calculated with the frame included. Specify your sidelight dimensions (in cm.) in the comments section.
- Letterbox options available for designs: 00/20, 01/21, 02/22, 04/24, 11/31, 14,34.
Side-light and Top-Light Options:

Door Assembly Instructions:
Contents Inside:
- Aluminium frame with thermal insulation and wooden stiffening
- 3x 3D adjustable roller hinges with door hinge bolts
- Winkhaus 3-point hook locking system
- Profile cylinder with keys
- Aluminium Threshold with thermal break
- Glass Design includes: 2 chambers, triple glazing
Note: Free shipping for all Turenwerke doors
FAQs
Yes, the Turenwerke SL75 Design 1450B Premium75 Aluminium Door features a 75mm thermally broken aluminium profile that helps reduce heat loss. When combined with insulated door panels and optional double or triple glazing, it delivers excellent thermal performance suitable for modern UK homes.
This aluminium front door is designed to support advanced multi-point locking systems, reinforced door construction, and premium hardware. The strength of aluminium adds extra resistance against forced entry, providing reliable security and peace of mind.
Black Grey RAL 7021 is a deep charcoal-grey finish that offers a bold, modern appearance. It pairs well with contemporary architecture as well as traditional brick and stone façades, making it a versatile colour choice for UK properties.
Yes, the Premium75 aluminium door is finished with a durable powder coating that resists fading, corrosion, and weathering. Routine cleaning with mild soap and water is all that’s required to keep the door looking new.
The Turenwerke SL75 Design 1450B Premium75 Aluminium Door can be customised with a range of glazing options, hardware finishes, and security upgrades, allowing homeowners to tailor both the appearance and performance of their door.





















