The Ultimate All-in-One Solution for Fire & Acoustic Rated Intertenancy Wall Systems
For over 25 years, KOROK has been a trusted provider of high-performance fire and acoustic walls for the multi-level construction market. Now, with the introduction of the KOROK KIR high-performance intertenancy apartment wall systems, KOROK offers comprehensive solutions for seamless floor plate transitions.
Our systems integrate lift cores, riser ducts, stair cores, hallways, and apartments into one streamlined package. Experience unparalleled fire, seismic, acoustic, and safety protection with KOROK – your all-in-one solution for modern construction needs.
Simplify with KOROK: Combining Performance and Safety
Experience the perfect blend of simplicity and performance with KOROK. Our range of IT wall solutions incorporates fire protection, seismic deflection, passive safety, and acoustic efficiency, all while eliminating complex build-ups. KOROK delivers unmatched performance, safety, and simplicity for your construction needs.
Scissor Stairs – Fire and Acoustic Rated Protection
KOROK® has 2-way fire-rated wall systems for fire separation of Scissor Stairs or any Stairs.
Our innovative KOROK® Scissor Stair wall systems are BRANZ-tested and Warringtonfire-assessed, ensuring compliance with New Zealand’s fire safety standards. These systems are rated up to a Fire Resistance Rating (FRR) of -/120/120, offering robust protection for critical building areas.
Key Benefits of KOROK® Scissor Stairs Fire-Rated Wall Systems:
Two-way fire protection: Rated up to FRR -/120/120 for comprehensive fire separation.
No height limitations: KOROK® walls can be installed without restrictions on wall height, in both horizontal and vertical configurations.
Structural simplicity: No additional structural support required beyond attachment to stair landings and stair stringers.
Fast, efficient installation: Lightweight interlocking panels make installation faster and more cost-effective compared to conventional systems.
KOROK® Scissor Stairs wall systems combine fire safety, acoustic performance, and cost efficiency, making them the ideal choice for builders and developers.
KOROK® Scissor Stairs Systems cater to most common scenarios requiring fire resistance in stair configurations. These walls are constructed using 78mm thick, horizontally and/or vertically oriented KOROK® panels, designed to fit seamlessly between two independent stair stringers in scissor stairs configurations.
The systems feature self-supporting, non-load-bearing walls that can be built using horizontally or vertically stacked panels, or a combination of both. This flexibility ensures adaptability to a wide range of building designs.
Compliance with the New Zealand Building Code
KOROK® Scissor Stair Systems meet the stringent requirements of Clause C of the New Zealand Building Code (NZBC). They comply with the normative requirements for fire resistance performance as outlined in New Zealand’s acceptable solutions.
Fire Resistance Ratings (FRR)
The fire resistance ratings of KOROK® Scissor Stair Systems reach up to FRR -/120/120, depending on the span of the panels and the components selected.
Horizontal Fire Resistance: Achieved by the quadrilateral fire-resistant section between the two independent stairs.
Vertical Fire Resistance: Provided by the wall-to-stair stringer angle at the boundary connections.
For detailed configurations, refer to the technical specifications in the KOROK® Scissor Stair Systems wall type tables.
When it comes to passive fire penetrations, KOROK® leads the way with innovative solutions that ensure fire safety without compromising functionality.
At KOROK®, we are committed to providing fire-rated wall systems that prioritize safety, durability, and performance. Our advanced KOROK® panels are specifically designed to allow seamless integration of passive fire penetrations, including service ducting and pipes, while maintaining the structural and fire integrity of the wall.
Passive fire penetrations are openings or pathways in fire-rated walls or floors that allow services such as plumbing, electrical cables, or ductwork to pass through. These penetrations are essential for building functionality but must be carefully designed to prevent the spread of fire and smoke. KOROK® panels are engineered to make the creation and sealing of these penetrations straightforward and effective, ensuring compliance with strict fire safety standards.
Why Choose KOROK® for Passive Fire Penetrations?
Easy Formations for Penetrations: KOROK® panels simplify the creation of openings for ducting and plumbing. The lightweight yet robust design makes it easy to form precise and efficient penetrations without compromising fire safety or wall integrity.
Maintained Wall Integrity: Even with multiple passive fire penetrations, KOROK® panels ensure the overall wall system retains its fire rating. This is crucial for preventing fire and smoke from spreading across compartments in a building.
Versatile Applications: Whether your project involves commercial spaces, residential apartments, or industrial facilities, KOROK® passive fire penetrations provide a reliable and efficient solution tailored to meet your needs.
Compliance with Building Codes: KOROK® panels are rigorously tested and meet or exceed New Zealand’s building code requirements for passive fire protection. This gives architects, engineers, and builders confidence in the safety and performance of their projects.
The table below contains a basic selection of tested passive fire solutions, for quick reference. For additional solutions please contact the relevant passive fire companies:
CFS-C P 50/1.5" Fire Collar + CP606 Acrylic Sealant
-/120/60
Hilti
40mm ND uPVC Pipe. Refer to pages 28-30
40mm
uPVC
CFS-C P 50/1.5" Fire Collar + CP606 Acrylic Sealant + 13mm Plasterboard Patch
-/120/90
Hilti
50mm ND uPVC Pipe. Refer to pages 28-30
50mm
uPVC
CFS-C P 63/2.0" Fire Collar + CP606 Acrylic Sealant
-/120/90
Hilti
50mm ND uPVC Pipe. Refer to pages 28-30
50mm
uPVC
CFS-C P 63/2.0" Fire Collar + CP606 Acrylic Sealant + 13mm Plasterboard Patch
-/120/120
Hilti
65mm ND uPVC Pipe. Refer to pages 28-30
65mm
uPVC
CFS-C P 75/2.5" Fire Collar + CP606 Acrylic Sealant
-/120/90
Hilti
65mm ND uPVC Pipe. Refer to pages 28-30
65mm
uPVC
CFS-C P 75/2.5" Fire Collar + CP606 Acrylic Sealant + 13mm Plasterboard Patch
-/120/120
Hilti
80mm ND uPVC Pipe. Refer to pages 28-30
80mm
uPVC
CFS-C P 90/3" Fire Collar + CP606 Acrylic Sealant
-/120/90
Hilti
80mm ND uPVC Pipe. Refer to pages 28-30
80mm
uPVC
CFS-C P 90/3" Fire Collar + CP606 Acrylic Sealant + 13mm Plasterboard Patch
-/120/120
Hilti
Cable Bundle ≤ 36mm Dia. Any combination of Telecommunication cables, Cat5/6/7/8, Fiber Optic cables,RG6 Quad Shield Coax or TPS 2C+E up to 2.5mm2. Refer to pages 13-14
Max. 36mm
Cable
CP611a / CFS-IS Intumescent Sealant
-/120/60
Hilti
Cable Bundle ≤ 36mm Dia. Any combination of Telecommunication cables, Cat5/6/7/8, Fiber Optic cables,RG6 Quad Shield Coax or TPS 2C+E up to 2.5mm2. Refer to pages 13-14
Max. 36mm
Cable
CP611a / CFS-IS Intumescent Sealant + CFS-P BA Putty Bandage
-/120/90
Hilti
Cable Tray up to 600mm Wide with 9 x 400mm2 XLPE/PVC or PVC/PVC Sheath/Insulated Single Core Copper or Aluminum Power Cables. Refer to pages 21-27
Cable
2 x Layers CP670 Coated Board + CP611a / CFS-IS Intumescent Sealant + CFS-P BA Putty Bandage
-/60/60
Hilti
Cable Tray up to 600mm Wide with AS1530.4 Standard D1 XLPE/PVC or PVC/PVC Sheath/Insulated Power Cables Cable Sets. Refer to pages 21-27
Cable
2 x Layers CP670 Coated Board + CP611a / CFS-IS Intumescent Sealant + CFS-P BA Putty Bandage
-/120/90
Hilti
Cable Tray up to 600mm Wide with AS1530.4 Standard D2 Telecommunication Cable Sets. Refer to pages 21-27
Cable
2 x Layers CP670 Coated Board + CP611a / CFS-IS Intumescent Sealant + CFS-P BA Putty Bandage
-/90/60
Hilti
Up to 10 of Quad Shield Coax Cables. Refer to pages 13-14
Cable
CP611a / CFS-IS Intumescent Sealant + CFS-P BA Putty Bandage
-/120/90
Hilti
Up to 16 of Telecommunication cables, Cat5/6/7/8 & Fiber Optic cables. Refer to pages 13-14
Cable
CP611a / CFS-IS Intumescent Sealant
-/120/90
Hilti
Up to 16 of Telecommunication cables, Cat5/6/7/8 & Fiber Optic cables. Refer to pages 13-14
Cable
CP611a / CFS-IS Intumescent Sealant + CFS-P BA Putty Bandage
-/120/120
Hilti
Up to 8 of TPS 2C+E up to 2.5mm2. Refer to pages 13-14
CP611a / CFS-IS Intumescent Sealant
-/120/60
Hilti
Up to 8 of TPS 2C+E up to 2.5mm2. Refer to pages 13-14
CP611a / CFS-IS Intumescent Sealant + CFS-P BA Putty Bandage
Nugget Avenue Terraces – Premium Terraced Living in Hobsonville Point, Auckland
Discover Modern Living at Nugget Avenue Terraces
Nestled in the vibrant community of Hobsonville Point, Auckland, the Nugget Avenue Terraces offer contemporary, safe, and sustainable living. This terraced housing project was designed by Construkt Architects and expertly built by Universal Homes. The project highlights the cutting-edge KOROK Intertenancy Terraced Housing System, ensuring superior fire and acoustic performance for urban living.
Nugget Avenue Terraces are designed to harmonize with the natural landscape of Buckley B Precinct. The homes showcase modern architectural elements, including bold colors and sustainable materials, making them a standout addition to the Hobsonville Point neighborhood. With a design that respects the land’s natural contours, these terraces offer not only aesthetic appeal but also an environmentally friendly solution.
Unmatched Safety with KOROK Intertenancy System
At the heart of this development is the innovative KOROK Intertenancy System, engineered for exceptional fire and acoustic protection. Traditional terraced housing systems often rely on internal linings for fire resistance, which can be compromised by penetrations. In contrast, KOROK’s system uses a robust steel and aerated concrete core, creating a highly durable barrier that significantly enhances fire protection between homes.
KOROK’s smart design ensures that in the event of a fire, its aluminum brackets melt on the fire-facing side, maintaining structural integrity on the opposite side. This safety feature gives residents peace of mind, knowing their homes are built with the highest safety standards in mind.
Why Choose KOROK for Terraced Housing?
Fire-Rated Protection: KOROK panels create a solid barrier that withstands high temperatures, ensuring resident safety.
Acoustic Efficiency: Enjoy quiet living spaces with superior sound insulation between homes.
Durability and Strength: Built to last, KOROK systems offer enhanced protection against external elements, ensuring long-term durability.
Faster Installation: With pre-finished panels, the KOROK system allows for quicker, more efficient construction, saving time and costs.
Collaboration for Quality
The success of Nugget Avenue Terraces is a result of the seamless collaboration between Construkt Architects and Universal Homes. Together, they delivered a high-quality living space that not only meets aesthetic and functional needs but also prioritizes safety, durability, and acoustic comfort.
Superior Fire and Acoustic Protection
The KOROK 78mm panels used in this project provide both fire resistance and noise reduction, making them the ideal choice for urban terraced housing developments. Their innovative design contributes to faster installation times and long-term reliability, enhancing the overall living experience.
KOROK Systems used in this project
Intertenancy Terraced Housing
In terraced housing and town houses, conventional framed wall systems rely on the internal linings for fire-resistance. Penetrating these linings potentially destroys the fire-rated barrier.
Located at Snells Beach, just north of Auckland, Boathouse Bay by Crosson Architects has set a new standard in environmentally-conscious design, winning the prestigious title of Home of the Year 2024. This award-winning project offers a perfect blend of architecture and nature, creating a community-focused environment that celebrates New Zealand’s coastal lifestyle.
Innovative Design with a Coastal Influence
Inspired by the traditional Kiwi bach, Boathouse Bay reflects simplicity and connection to nature. The development embraces natural materials, muted tones, and open communal spaces, fostering a sense of unity among its residents. The layout encourages interaction, with thoughtfully designed pathways connecting homes to shared outdoor areas, reinforcing the idea of community living.
KOROK’s Role in Enhancing Safety and Sustainability
Central to Boathouse Bay’s design is the use of 51mm KOROK Intertenancy Terraced Housing Systems, which offer superior fire protection without compromising the project’s environmental goals. Our fire-rated systems ensure that the development remains safe, durable, and sustainable. The aluminum brackets included in the KOROK system safeguard the structure in the event of a fire, reinforcing both safety and structural integrity for terraced housing.
Setting a Benchmark for Future Living
Boathouse Bay is more than just a residential development—it’s an example of how modern, community-focused living spaces can integrate sustainability, safety, and social interaction. As the Home of the Year 2024, it stands as an inspiration for future projects that aspire to merge contemporary design with environmental stewardship.
KOROK Systems used in this project
Intertenancy Terraced Housing
In terraced housing and town houses, conventional framed wall systems rely on the internal linings for fire-resistance. Penetrating these linings potentially destroys the fire-rated barrier.
Walter Merton Road Terraces: A New Standard in Terraced Housing
Completed in 2019, the Walter Merton Road Terraces in Hobsonville Point, Auckland, became a benchmark for modern living. This project, a collaborative effort between Universal Homes and Construkt Architects, showcases a harmonious blend of design excellence and practical living solutions, offering 2, 3, and 4 bedroom terraced homes that cater to a diverse market.
Traditional terraced housing often relies on internal linings for fire resistance, which can be compromised by alterations or penetrations. KOROK® introduces a n innovative solution with its Intertenancy System, ensuring fire safety without depending on these internal linings. At its core, this system uses specially designed aluminium brackets to attach fire-resistant KOROK® panels between frames. In the event of a fire, the system is engineered to allow the side exposed to fire to detach safely, thanks to the melting of the aluminium brackets, while keeping the panels intact and supported on the opposite side. This innovative approach significantly enhances the building’s fire safety measures by maintaining a robust fire barrier between units.
The KOROK® system’s integration into the Walter Merton Road Terraces project highlights not only a commitment to resident safety but also to maintaining the architectural integrity of the development. Its ability to blend seamlessly with the project’s design characteristic, emphasising durability, is a testament to the system’s adaptability and effectiveness.
Through the Walter Merton Road Terraces project, KOROK® played an important role in creating safer and more resilient homes. This endeavour not only enhances the safety standards of terraced housing in Auckland but also sets a new benchmark for future developments in utilizing innovative solutions for fire safety and building durability.
KOROK Systems used in this project
Intertenancy Terraced Housing
In terraced housing and town houses, conventional framed wall systems rely on the internal linings for fire-resistance. Penetrating these linings potentially destroys the fire-rated barrier.
Buckley A Precinct – Superlot BA29: Intertenancy Excellence with KOROK Panels
The Buckley A Precinct, specifically Superlot BA29 in Hobsonville Point, represents a model of modern urban living. Developed in 2019 by Universal Homes in collaboration with Construkt Architects, this project includes a wide variety of housing options, from one-bedroom apartments to six-bedroom terrace homes. This thoughtfully designed community combines elegance, functionality, and affordability to meet diverse resident needs.
KOROK® Intertenancy Terraced Housing Systems: Enhancing Fire Safety and Acoustic Performance
A standout feature of Superlot BA29 is the use of KOROK® Intertenancy Terraced Housing Systems, specifically designed for terraced homes. These systems offer unparalleled fire resistance and sound insulation, elevating the safety and comfort of residents.
Fire Safety: Unlike traditional framed wall systems that rely on internal linings for fire resistance, KOROK® panels position the main fire barrier between housing frames. In the event of a fire, aluminium brackets on the fire-affected side melt, allowing that section to safely detach while preserving the rest of the structure.
Acoustic Performance: KOROK® systems also improve sound insulation, reducing noise transmission between homes. This advanced soundproofing creates a peaceful and private living environment, essential for modern urban dwellings.
The architectural brilliance of Construkt Architects shines through in this development. The Superlot BA29 showcases terraced homes and garden apartments, with features such as expansive balconies, full-height windows, and distinct gabled frontages that create visual appeal while ensuring privacy. The design contributes to a welcoming, community-focused streetscape, enhancing the overall living experience.
Quality Construction by Universal Homes
Universal Homes, known for its commitment to precision and quality, transformed Construkt Architects’ vision into a reality. Their expertise in construction ensured that each home in Superlot BA29 meets the highest standards of safety, durability, and comfort.
Why Choose KOROK® Systems?
KOROK® panels deliver superior fire protection and acoustic performance in terraced housing projects like Buckley A Precinct’s Superlot BA29. The innovative design ensures long-lasting structural integrity, providing residents with safety, peace of mind, and enhanced living comfort. For more information on how KOROK® Intertenancy Systems can benefit your next project, contact us today.
KOROK Systems used in this project
Intertenancy Terraced Housing
In terraced housing and town houses, conventional framed wall systems rely on the internal linings for fire-resistance. Penetrating these linings potentially destroys the fire-rated barrier.
Hobsonville Point: Enhancing Fire and Acoustic Protection with KOROK® Intertenancy Systems
Bringing Kiwi Ingenuity to Hobsonville Point Homes
Here at KOROK®, we’re stoked to have been part of the transformation of the old Hobsonville airbase into a new community. Our innovative KOROK KIR Intertenancy Residential Walls have been key in shaping around 3000 homes across this significant slice of land, including standout spots like the Te Uru Apartments, Walter Merton Road Terraces, Nugget Avenue Terraces, and Buckley A Precinct.
Being part of the Hobsonville Point development really showcases our ability for coming up with smart solutions that tackle the real-world challenges of modern building, especially when it comes to keeping fires at bay and cutting down on noise. Traditional wall setups in flats and hotels usually lean on linings to do this job. But our KIR walls change the game by ditching the need for these linings up top, making the whole building process simpler and slicker.
Smoother Sailing in Building and Design
Our walls have made it quicker and easier to get buildings up at Hobsonville Point. That’s good news for the teams on the ground and means residents can start enjoying their new digs sooner.
Keeping Costs Down
Thanks to the technology behind our KIR panels, we’ve cut down on waste, which means saving some dollars. Those savings can help make other parts of the development even better, making the whole neighbourhood a top spot to live.
Top-Notch Fire and Sound Safety
We’ve put our walls through the wringer to make sure they’re up to scratch for fire safety and noise control. That means folks living in Hobsonville Point can sleep easy, knowing they’ve got solid protection around them.
Built Solid for Extra Peace of Mind
The sturdy design of our walls means homes are not just safe but also built to last. That’s a big plus for anyone calling Hobsonville Point home, offering a secure spot for years to come.
Committed to Excellence in Innovation and Community Building
From the lively look of the Te Uru Apartments to the tidy and thoughtful design of the Walter Merton Road Terraces and the spot-on style of Buckley A Precinct, our KIR panels have been a foundation for success, delivering the goods on fire safety and quiet living.
As we look back on our role at Hobsonville Point, we’re chuffed to have delivered solutions that not only tick the boxes for what’s needed in today’s building scene but also help forge strong, safe, and green communities. Our dedication to coming up with better ways to do things will keep us at the forefront of making homes better for Kiwis everywhere.
KOROK Systems used in this project
Intertenancy Terraced Housing
In terraced housing and town houses, conventional framed wall systems rely on the internal linings for fire-resistance. Penetrating these linings potentially destroys the fire-rated barrier.
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