Description
The Turenwerke SL75 Design 1450B Premium75 Aluminium Door in Purple Red RAL 3004 combines striking contemporary design with outstanding performance. Crafted from high-grade aluminium, this premium entrance door delivers exceptional strength, durability, and thermal efficiency, making it ideal for modern residential properties.
Finished in a rich Purple Red RAL 3004, this aluminium front door adds a bold architectural statement while maintaining a refined, luxury appearance. The Premium75 system features advanced thermal insulation and weather resistance, helping to reduce heat loss and improve overall energy efficiency throughout the home.
Designed for security as well as style, the SL75 Design 1450B aluminium door offers robust construction, compatibility with high-security locking systems, and low-maintenance performance. Its smooth aluminium surface resists warping, fading, and corrosion, ensuring long-lasting visual appeal with minimal upkeep.
- 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: Purple Red RAL 3004
- 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
The Turenwerke SL75 Design 1450B Premium75 is a high-performance aluminium entrance door designed for modern homes. It features a robust aluminium construction, advanced thermal insulation, and a contemporary design finished in Purple Red RAL 3004.
Purple Red RAL 3004 offers a bold yet elegant appearance, making the door a striking architectural feature. The durable powder-coated finish is weather resistant, colour stable, and easy to maintain, ensuring long-lasting visual appeal.
Yes, the Premium75 system is engineered for excellent thermal performance. Its insulated aluminium profile helps reduce heat loss, improve energy efficiency, and maintain comfortable indoor temperatures throughout the year.
This aluminium front door is built with strength and security in mind. It is compatible with high-security multipoint locking systems and offers exceptional structural integrity, making it a reliable choice for residential entrance security.
This door is ideal for contemporary homes, new builds, and renovation projects. Its modern design and premium performance make it suitable for main entrances where style, security, and energy efficiency are essential.