Turenwerke SL75 Design 660 Premium75 Aluminium Door - Black Grey RAL 7021
Elevate your home’s entrance with the Turenwerke SL75 Design 660 Premium75 Aluminium Door in Black Grey RAL 7021, combining modern elegance, durability, and superior performance. Crafted from premium-grade aluminium, this door ensures long-lasting strength, weather resistance, and minimal maintenance, making it perfect for contemporary UK homes.
The sophisticated Black Grey RAL 7021 finish offers a bold, stylish aesthetic that complements modern, minimalist, and industrial architectural designs. Designed with high thermal insulation, the SL75 660 enhances energy efficiency, keeping your interiors comfortable all year. Its advanced locking system ensures robust security, making it an ideal choice for homeowners seeking a premium aluminium door that balances style, safety, and functionality.
- 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 )

Â
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
Â
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.
Â
Side-light and Top-Light Options:

Door Assembly Instructions:
Â
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
Â
Note: Free shipping for all Turenwerke doors
FAQs
The Turenwerke SL75 Design 660 Premium75 Aluminium Door boasts superior durability, modern minimalist styling, and high thermal efficiency. Finished in Black Grey RAL 7021, this door combines a sleek contemporary aesthetic with robust corrosion‑resistant aluminium construction, excellent insulation, and low maintenance — ideal for both residential and commercial entrances.
The Black Grey RAL 7021 finish is highly sought after for its elegant, modern appearance that complements contemporary architecture. This dark, muted tone provides a premium look while hiding fingerprints and wear, enhancing the door’s long‑term aesthetic appeal and blending well with modern home façades, patios, or office exteriors.
The SL75 Design 660 Premium75 is engineered with advanced thermal breaks and high‑quality gaskets to reduce heat transfer, minimize drafts, and improve overall insulation. This results in better energy performance, lower heating and cooling costs, and increased comfort — making it an excellent choice for climate‑conscious homeowners.
Yes. Thanks to high‑grade aluminium and corrosion‑resistant finishes like RAL 7021, the SL75 Design 660 Premium75 Door withstands moisture and salt exposure better than many traditional materials. This makes it a reliable option for coastal properties or humid environments where durability is essential.
Buyers can personalise the SL75 Design 660 Premium75 with optional hardware finishes, handle styles, glazing types, and colour variants — though the Black Grey RAL 7021 remains a top choice for contemporary builds. Custom sizes and integrated security features are also available to suit specific architectural and performance requirements.






Description
Elevate your home’s entrance with the Turenwerke SL75 Design 660 Premium75 Aluminium Door in Black Grey RAL 7021, combining modern elegance, durability, and superior performance. Crafted from premium-grade aluminium, this door ensures long-lasting strength, weather resistance, and minimal maintenance, making it perfect for contemporary UK homes.
The sophisticated Black Grey RAL 7021 finish offers a bold, stylish aesthetic that complements modern, minimalist, and industrial architectural designs. Designed with high thermal insulation, the SL75 660 enhances energy efficiency, keeping your interiors comfortable all year. Its advanced locking system ensures robust security, making it an ideal choice for homeowners seeking a premium aluminium door that balances style, safety, and functionality.
- 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 )

Â
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
Â
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.
Â
Side-light and Top-Light Options:

Door Assembly Instructions:
Â
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
Â
Note: Free shipping for all Turenwerke doors
FAQs
The Turenwerke SL75 Design 660 Premium75 Aluminium Door boasts superior durability, modern minimalist styling, and high thermal efficiency. Finished in Black Grey RAL 7021, this door combines a sleek contemporary aesthetic with robust corrosion‑resistant aluminium construction, excellent insulation, and low maintenance — ideal for both residential and commercial entrances.
The Black Grey RAL 7021 finish is highly sought after for its elegant, modern appearance that complements contemporary architecture. This dark, muted tone provides a premium look while hiding fingerprints and wear, enhancing the door’s long‑term aesthetic appeal and blending well with modern home façades, patios, or office exteriors.
The SL75 Design 660 Premium75 is engineered with advanced thermal breaks and high‑quality gaskets to reduce heat transfer, minimize drafts, and improve overall insulation. This results in better energy performance, lower heating and cooling costs, and increased comfort — making it an excellent choice for climate‑conscious homeowners.
Yes. Thanks to high‑grade aluminium and corrosion‑resistant finishes like RAL 7021, the SL75 Design 660 Premium75 Door withstands moisture and salt exposure better than many traditional materials. This makes it a reliable option for coastal properties or humid environments where durability is essential.
Buyers can personalise the SL75 Design 660 Premium75 with optional hardware finishes, handle styles, glazing types, and colour variants — though the Black Grey RAL 7021 remains a top choice for contemporary builds. Custom sizes and integrated security features are also available to suit specific architectural and performance requirements.
























