Reynaers Aluminium offers a diverse portfolio of aluminium door systems tailored to meet the architectural and functional needs of today’s most demanding building projects. Each system is meticulously engineered to deliver superior performance in thermal insulation, acoustic protection, and security, all while enhancing the visual character of the space. Whether you’re aiming for a sleek, modern finish or restoring a classic façade with modern efficiency, Reynaers has a solution that blends style with substance.
From the minimalist appeal of SlimLine 38 to the passive-house certified performance of MasterLine 10, these door systems are designed for seamless integration across residential, commercial, and renovation applications. Let’s explore the full collection below.
Discover the Full Range of Reynaers Aluminium Door Systems: Performance Meets Design
Reynaers Aluminium is a globally renowned brand delivering high-end architectural solutions with a focus on aesthetics, energy efficiency, and security. Among their most celebrated innovations are their aluminium door systems, which combine sleek, modern design with cutting-edge performance. From ultra-slim profiles that replicate the elegance of steel to robust systems certified for passive house construction, Reynaers offers a comprehensive portfolio tailored to both residential and commercial projects. In this guide, we present an overview of their key door systems: ConceptSystem 59Pa, ConceptSystem 77, MasterLine 10, MasterLine 8, and SlimLine 38.
Choosing the Right System for Your Project
Reynaers Aluminium door systems are engineered to meet the full spectrum of building requirements—from budget-conscious interior partitions to high-performance doors for certified passive buildings. Each system brings a unique combination of design, durability, and technical excellence.
Whether your focus is energy efficiency, minimalist aesthetics, renovation compatibility, or heavy-duty performance, Reynaers has a system that fits. And with a wide selection of finishes, handles, glazing options, and threshold designs, every door becomes a custom architectural feature.
If you’re ready to enhance your next building project with best-in-class aluminium door systems, Reynaers is your trusted partner in design and innovation.

ConceptSystem 59Pa
The ConceptSystem 59Pa (CS 59Pa) is a non-insulated aluminium door solution ideal for interior spaces or regions with stable, warm climates. While it does not feature thermal breaks, it excels in durability, ease of use, and design adaptability.
With a frame and vent depth of 50 mm, this system is perfect for interior partitions, retail applications, and residential doors that do not require thermal insulation. It supports glass thicknesses from 4 mm to 35 mm and offers air and water tightness classes of Class 3 and Class 5A, respectively.
Key features include:
- Non-insulated system ideal for interiors or hot climates
- Sleek, minimal profiles for modern aesthetics
- Max height: 3,000 mm | Max width: 1,400 mm | Max weight: 120 kg
- Available in a wide range of RAL colors and finishes
CS 59Pa is a practical and cost-effective choice for design-conscious projects that prioritize appearance and functionality over insulation.

ConceptSystem 77
The ConceptSystem 77 (CS 77) by Reynaers Aluminium is a premium aluminium door system designed to meet the highest standards of thermal insulation, security, and design flexibility. Its robust construction and versatile configurations make it ideal for both residential and commercial applications.
Key Features
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The CS 77 offers excellent thermal insulation properties, achieving Uf values as low as 1.5 W/m²K, contributing to energy efficiency and indoor comfort.
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Tested to meet burglar resistance classes RC2 and RC3, as well as PAS 24 standards, ensuring enhanced protection against intrusion.
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Available in various design styles, including Functional, Renaissance, and Hidden Vent, to suit different architectural aesthetics.
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Constructed from high-quality aluminium, the CS 77 system offers long-lasting performance with minimal maintenance.
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Provides sound insulation up to Rw(C;Ctr) = 41(-1;-4) dB, enhancing indoor acoustic comfort.

MasterLine 10
The MasterLine 10 door system by Reynaers Aluminium is engineered to meet the stringent requirements of passive and low-energy buildings. Combining advanced thermal insulation, robust security features, and versatile design options, MasterLine 10 offers a comprehensive solution for modern architectural needs.
Key Features
- Achieves Uf values as low as 0.96 W/m²K, contributing to energy efficiency and indoor comfort.
- Certified for use in passive house constructions, ensuring compliance with the highest energy performance standards.
- Tested to meet burglar resistance class RC2, providing reliable protection against intrusion.
- Available in various design styles, including Functional, Renaissance, Deco, and Hidden Vent, to suit different architectural aesthetics.
- Constructed from high-quality aluminium, ensuring longevity and resistance to environmental factors.

MasterLine 8
The MasterLine 8 aluminium door system by Reynaers Aluminium is designed to meet the demands of contemporary architecture, offering exceptional thermal insulation, security, and design versatility. With its robust construction and sleek aesthetics, MasterLine 8 is suitable for both residential and commercial applications, including passive and low-energy buildings.
Key Features
- Achieves Uf values as low as 1.4 W/m²K, contributing to energy efficiency and indoor comfort.
- Tested to meet burglar resistance classes RC2 and RC3, providing enhanced protection against intrusion.
- Available in various design styles, including Functional, Renaissance, Deco, and Hidden Vent, to suit different architectural aesthetics.
- Constructed from high-quality aluminium, ensuring longevity and resistance to environmental factors.

SlimLine 38
The SlimLine 38 aluminium door system by Reynaers Aluminium is designed to offer a minimalist aesthetic reminiscent of traditional steel-framed doors, combined with modern performance in thermal insulation, security, and design versatility. Its ultra-slim profiles and high-quality finishes make it an ideal choice for both contemporary new builds and renovation projects aiming to preserve a classic appearance.
Key Features
- Ultra-slim profiles starting from 38.5 mm for a sleek, steel-like appearance.
- Achieves Uf values as low as 1.8 W/m²K, contributing to energy efficiency.
- Provides sound insulation up to Rw(C;Ctr) = 45(-1;-5) dB, enhancing indoor comfort.
- Tested to meet burglar resistance class RC2 and PAS 24 standards.
- Available in Classic, Ferro, and Cubic styles to suit various architectural preferences.
- Supports both double and triple glazing without compromising the slim profile.