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Internorm
Premium Passive House Windows & Doors
For over 90 years, Internorm has set the standard for premium, high-performance window and door solutions across Europe. As an approved Internorm distributor, okoHaus is proud to offer their exceptional aluminium-clad timber range, including Passive House certified options that combine stunning aesthetics with industry-leading thermal performance.
Austrian Excellence in Window & Door Manufacturing
Since 1931, Internorm has combined traditional craftsmanship with cutting-edge innovation to create windows and doors that set new standards in performance, design, and sustainability.
As Europe's leading window brand, Internorm's commitment to excellence perfectly aligns with okoHaus's mission to provide sustainable, high-performance building solutions.
From their state-of-the-art manufacturing facilities in Austria, Internorm has produced over 27 million window units, each crafted with precision engineering and a dedication to quality that has earned them recognition as industry leaders throughout Europe.
Sustainability & Innovation
Internorm's commitment to sustainability extends throughout their entire manufacturing process.
Their production facilities utilise energy-efficient technologies and responsible resource management to minimise environmental impact.
By choosing Internorm windows and doors, you're not only enhancing your home's energy efficiency but also supporting a company that prioritises sustainable practices.
Internorm Windows & Doors
Discover Internorm's comprehensive range of high-performance windows and doors, available from okoHaus.
Each product combines exceptional thermal efficiency, sophisticated design, and outstanding craftsmanship to enhance your home's comfort, aesthetics, and value.
Premium Aluminum Clad Timber Windows
Internorm's premium aluminum clad timber windows combine the best of both worlds: a weather-resistant aluminum exterior that requires minimal maintenance with a natural timber interior that brings warmth and character to your home. The flagship HF 410 and HF 510 ranges deliver exceptional thermal performance with U-values as low as 0.65 W/m²K, making them ideal for energy-efficient and Passive House projects.
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Superior thermal insulation (U-values from 0.65 W/m²K)
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Outstanding sound reduction (up to 45dB)
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Enhanced security features (up to RC2 / PAS24 / Secured by Design)
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Variety of timber options for interior finishes
Available in multiple design styles to complement any architectural vision, these windows offer the perfect balance of performance, aesthetics, and sustainability. The innovative I-tec glazing system ensures structural stability and enhanced thermal performance, while the sophisticated hardware provides smooth, reliable operation for years to come.
uPVC-Aluminium Windows
Internorm's uPVC-Aluminium composite windows combine the best of both materials: durable aluminium exterior with low-maintenance uPVC interior, creating an exceptional triple-glazed window system that's ideal for modern homes.
These award-winning windows feature weather-resistant aluminium cladding on the outside with the thermal efficiency and versatility of uPVC on the inside, making them a popular choice for self-build, retrofit, and Passivhaus projects.
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Triple-glazed as standard with U-values as low as 0.62 W/m²K
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Superior sound insulation up to 47dB
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Advanced security with concealed hardware and multi-point locking
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Available in all four Internorm design styles
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Weather-resistant aluminium exterior for outstanding lifespan
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Low maintenance with easy-to-clean surfaces
The uPVC-Aluminium range offers exceptional versatility with a wide choice of internal and external finishes and colours. The aluminium exterior is available in numerous standard colours and custom RAL options, while the interior uPVC can be specified in white or various wood-effect finishes to suit your interior design scheme.
uPVC Windows
Internorm's premium uPVC windows offer exceptional energy efficiency and versatility at a competitive price point, making them an excellent choice for homeowners seeking high performance without compromise.
Triple-glazed as standard, these stylish windows combine modern aesthetics with outstanding thermal and acoustic properties, suitable for both contemporary and traditional properties.
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Multi-chamber uPVC profiles with triple glazing for exceptional thermal performance
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Advanced sound-dampening technology reduces noise by up to 46dB
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Integrated multi-point locking systems for enhanced security
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Smooth, non-porous surfaces for easy maintenance
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Precision-engineered seals for complete weatherproofing
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Available in multiple colours and finishes to suit any architectural style
Internorm uPVC windows are available in a range of timeless finishes, including White, Golden Oak, Brilliant White, Cream, and Dark Grey. Their versatile design makes them perfect for all architectural styles, while delivering the exceptional performance that Internorm is renowned for.
High-Performance Door Systems
Complement your windows with Internorm's exceptional door systems, from sleek lift-and-slide options that create seamless indoor-outdoor connections to secure, thermally-efficient entrance doors that make a striking first impression.
Each door system is engineered to the same exacting standards as Internorm's window range, with customisation options to suit any architectural style.
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Lift-and-Slide Doors: Create expansive openings with minimal visual interruption
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Entrance Doors: Combine security, thermal performance, and striking design
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French Doors: Classic elegance with contemporary performance
Internorm's door systems feature advanced thermal breaks, sophisticated sealing systems, and high-performance glazing to ensure exceptional energy efficiency. Security is enhanced through multi-point locking mechanisms and robust construction, providing peace of mind without compromising on design or functionality.
Internorm Design Styles
Internorm offers four distinct design styles to complement any architectural vision, from contemporary minimalism to traditional elegance. Each style maintains Internorm's signature performance while providing unique aesthetic options.
studio
The studio design style features clean lines and minimalist aesthetics, perfect for contemporary architecture. With flush surfaces and concealed hardware, studio windows become architectural features in their own right.
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Sleek, angular frames
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Flush-mounted appearance
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Concealed hardware
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Ideal for modern, minimalist designs
home pure
The home pure style combines contemporary aesthetics with versatile functionality. With square-edged design and clean lines, these windows integrate perfectly into modern architectural concepts.
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Square-edged frames
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Clean, geometric lines
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Modern hardware options
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Perfect for contemporary homes
home soft
The home soft style offers rounded profiles and harmonious aesthetics, creating a timeless, comfortable feel. These windows blend traditional elements with modern performance for a balanced design approach.
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Rounded, softer profiles
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Harmonious aesthetics
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Traditional hardware options
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Suitable for both modern and traditional homes
ambiente
The ambiente style embraces traditional aesthetics with profiled surfaces and classic detailing. These windows are perfect for period properties and traditional architectural styles while delivering modern performance.
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Profiled frame design
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Traditional detailing
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Classic hardware options
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Ideal for period properties and traditional designs
The Internorm Advantage: Performance, Design & Sustainability
Choosing Internorm windows and doors through okoHaus offers numerous advantages that enhance your home's comfort, efficiency, and value. Discover why Internorm products represent the pinnacle of window and door technology.
Passive House Certified Performance
Exceptional thermal performance with U-values as low as 0.63 W/m²K, ideal for energy-efficient and Passive House projects.
Bespoke Design Flexibility
Four distinct design styles with extensive customisation options to perfectly complement any architectural vision.
Durability & Longevity
Innovative construction ensures exceptional longevity with minimal maintenance requirements, backed by comprehensive warranties.
okoHaus: Your Trusted Internorm Partner
As an approved Internorm distributor, okoHaus combines deep product expertise with a commitment to exceptional service. Our team has been specially trained to specify, supply, and install Internorm's premium window and door systems, ensuring every detail is executed to the highest standards.
Our partnership with Internorm allows us to offer their complete range of high-performance products, backed by our local expertise and commitment to customer satisfaction. We understand the unique requirements of projects in East Anglia and can provide tailored advice on the most suitable Internorm solutions for your specific needs.
Our Internorm Services Include:
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Expert product consultation and specification
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Professional installation by trained technicians
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Comprehensive aftercare and warranty support
Transform Your Home
with Internorm Windows & Doors
Ready to experience the exceptional quality, performance, and design of Internorm? As your local Internorm partner throughout East Anglia, okoHaus is here to guide you through every step of the process, from initial consultation to flawless installation.
