Turenwerke SL75 Design 1420 Premium75 Aluminium Door - Sapphire Blue RAL 5003
The Turenwerke SL75 Design 1420 Premium75 Aluminium Door in Sapphire Blue RAL 5003 is a striking external door solution that combines bold colour with premium performance. Manufactured from high-grade aluminium, this door offers exceptional strength, durability, and long-term reliability, making it a standout choice for modern and contemporary UK homes.
Built using the advanced Premium75 aluminium system, this external door features an integrated thermal break that significantly reduces heat transfer through the frame. When correctly specified, it can achieve low U-values, helping to improve energy efficiency, reduce heat loss, and maintain comfortable indoor temperatures throughout the year.
- 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: Sapphire Blue RAL 5003
- 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 1420 Premium75 Aluminium Door features a high-performance thermal break system that reduces heat transfer through the aluminium frame. When correctly specified and installed, it can achieve low U-values, helping to improve insulation, reduce heat loss, and lower energy costs in UK homes.
The Sapphire Blue RAL 5003 finish is ideal for modern, contemporary, and architect-designed homes. It adds a bold yet refined appearance and works well as a statement front door while still complementing neutral façades and modern architectural styles.
Security is a key feature of this aluminium external door. The SL75 Design 1420 Premium75 is compatible with high-security multi-point locking systems, offering excellent resistance to forced entry. The strong aluminium construction further enhances overall door security.
Yes, this aluminium door is engineered to withstand UK weather conditions. Its thermally broken frame, precision seals, and durable powder-coated finish help protect against wind, rain, draughts, and temperature changes throughout the year.
No, the Sapphire Blue RAL 5003 powder-coated finish is low maintenance. Occasional cleaning with mild soap and water is sufficient to keep the door looking its best. The finish is resistant to fading, corrosion, and weathering, making it ideal for long-term external use.
Original: $3,761.46
-65%$3,761.46
$1,316.51





Description
The Turenwerke SL75 Design 1420 Premium75 Aluminium Door in Sapphire Blue RAL 5003 is a striking external door solution that combines bold colour with premium performance. Manufactured from high-grade aluminium, this door offers exceptional strength, durability, and long-term reliability, making it a standout choice for modern and contemporary UK homes.
Built using the advanced Premium75 aluminium system, this external door features an integrated thermal break that significantly reduces heat transfer through the frame. When correctly specified, it can achieve low U-values, helping to improve energy efficiency, reduce heat loss, and maintain comfortable indoor temperatures throughout the year.
- 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: Sapphire Blue RAL 5003
- 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 1420 Premium75 Aluminium Door features a high-performance thermal break system that reduces heat transfer through the aluminium frame. When correctly specified and installed, it can achieve low U-values, helping to improve insulation, reduce heat loss, and lower energy costs in UK homes.
The Sapphire Blue RAL 5003 finish is ideal for modern, contemporary, and architect-designed homes. It adds a bold yet refined appearance and works well as a statement front door while still complementing neutral façades and modern architectural styles.
Security is a key feature of this aluminium external door. The SL75 Design 1420 Premium75 is compatible with high-security multi-point locking systems, offering excellent resistance to forced entry. The strong aluminium construction further enhances overall door security.
Yes, this aluminium door is engineered to withstand UK weather conditions. Its thermally broken frame, precision seals, and durable powder-coated finish help protect against wind, rain, draughts, and temperature changes throughout the year.
No, the Sapphire Blue RAL 5003 powder-coated finish is low maintenance. Occasional cleaning with mild soap and water is sufficient to keep the door looking its best. The finish is resistant to fading, corrosion, and weathering, making it ideal for long-term external use.























