Rainscreen Façade Insulation by
Coverock Insulation
Our comprehensive range of stone wool insulation solutions — Coverock®, CVRock® and Coverslab® — is designed to deliver maximum thermal efficiency, durability, and fire safety for rainscreen façade systems.Each product provides superior performance under changing environmental conditions, ensuring long-term protection, acoustic comfort, and energy savings for modern building envelopes.
PRODUCT
Coverock® V
Coverock-V is our flagship product – a type of stone mineral wool designed for internal and external thermal, acoustic, and fire insulation in buildings. It is a non-combustible material that provides reliable protection against heat loss, noise pollution, and fire hazards.
Specifically tailored for the rainscreen cladding market, Coverock-V features a black glass veil that helps to create a more subtle surface appearance when the insulation is visible through gaps in the cladding system. Additionally, the veil helps to increase windproof resistance at the face, providing enhanced durability and protection against the elements. Coverock-V is classified as an A1 non-combustible material, making it a safe and dependable choice for a wide range of insulation needs.
Features
Excellent Fire Resistance
Made from non-combustible stone wool, Coverock V® offers an A1 Euroclass fire rating, providing maximum safety and protection in all building types.
Superior Thermal Performance
With a thermal conductivity of just 0.035 W/mK, Coverock V® provides outstanding insulation efficiency — helping to maintain energy balance and comfort in any type of building.
Application
Exterior walls with light-dry thermal insulation made of panels (e.g. metal sheets, wood cladding, siding, cement or composite cladding)
Exterior and interior stud walls (wood and metal framework)
Exterior walls with stone or glass cladding
Soofits
Cavity Walls
Hollow Foundations Walls
Dropped Ceilings
Curtain Walls
Downloads
PRODUCT
CVRock®
Rainscreen Slab
CVRock® Rainscreen Slab is a stone mineral wool insulation board designed for external and internal applications, providing excellent thermal, acoustic, and fire performance.
Adapted to standard dimensions of
1200 × 600mm, it fits seamlessly into rainscreen façade systems and ensures quick, precise installation on site.
Its rigid and dimensionally stable structure guarantees lasting performance, maintaining shape and insulation efficiency even under demanding conditions.
As a Euroclass A1 non-combustible material, CVRock® Rainscreen Slab offers dependable protection and long-term durability for modern façade designs.
Features
Superior Thermal Performance
With a declared thermal conductivity of λD = 0.034 W/m·K, CVRock® Rainscreen Slab provides exceptional energy efficiency. It minimizes heat loss and improves the thermal balance of buildings, helping reduce heating and cooling costs throughout the year.
High Rigidity and Dimensional Stability
Engineered for structural precision, the slab maintains its form and performance under mechanical loads and temperature changes. Its rigidity ensures a tight, stable fit within façade systems, preventing gaps and maintaining insulation continuity.
Application
Exterior walls with light-dry thermal insulation made of panels (e.g. metal sheets, wood cladding, siding, cement or composite cladding)
Exterior and interior stud walls (wood and metal framework)
Exterior walls with stone or glass cladding
Soofits
Cavity Walls
Hollow Foundations Walls
Dropped Ceilings
Curtain Walls
Downloads
PRODUCT
CVRock® Rainscreen Light Slab
CVRock® Rainscreen Light Slab is a lightweight stone mineral wool insulation board designed for ventilated façade systems and external wall applications.
With a declared thermal conductivity of
λD = 0.035 W/m·K, it provides reliable thermal, acoustic, and fire insulation performance while being easier to handle and install on site.
Produced in standard dimensions of
1200 × 600mm, the slab integrates seamlessly with common rainscreen façade systems.
Its stable structure ensures lasting performance and dimensional accuracy, even under varying environmental conditions.
As a Euroclass A1 non-combustible material, CVRock® Rainscreen Light Slab offers dependable fire protection and energy efficiency, making it a practical, safe, and easy-to-install solution for modern façade applications.
Features
Reliable Thermal Insulation
CVRock® Rainscreen Light Slab ensures dependable thermal performance with λD = 0.035 W/m·K, effectively reducing heat loss and enhancing the energy efficiency of ventilated façades. It offers a balance between insulation quality and ease of application.
Lightweight and Easy to Handle
Its reduced weight makes transportation, lifting, and installation easier and faster — especially in large or high-rise façade projects. The lightweight design improves work efficiency without compromising insulation performance or safety.
Application
Exterior walls with light-dry thermal insulation made of panels (e.g. metal sheets, wood cladding, siding, cement or composite cladding)
Exterior and interior stud walls (wood and metal framework)
Exterior walls with stone or glass cladding
Curtain Walls
Cavity Walls
Hollow Foundations Walls
Dropped Ceilings
Downloads
PRODUCT
COVERSLAB® V
Coverslab® V is a stone mineral wool insulation board developed for ventilated façade systems and other demanding external wall applications.
It combines excellent thermal (λD = 0.035 W/m·K), acoustic, and fire performance with superior rigidity and dimensional stability, ensuring precise installation and long-term reliability.
Designed for modern rainscreen façade systems, Coverslab® V delivers high performance even under strong wind loads or variable weather conditions.
As a Euroclass A1 non-combustible material, it provides maximum fire safety while maintaining energy efficiency, comfort, and durability throughout the building’s lifetime.
Produced in standard 1200 × 600mm dimensions, it fits seamlessly into façade layouts, offering efficient installation and consistent performance.
Features
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Efficient Thermal Insulation
Coverslab® V offers excellent insulation performance with a declared thermal conductivity of λD = 0.035 W/m·K. It effectively limits heat loss, supporting long-term energy efficiency and comfort across all types of buildings.
Lightweight and Easy to Install
Engineered for façade systems exposed to high wind loads and structural stress, Coverslab® V provides outstanding dimensional stability. Its rigid form ensures a tight, uniform fit and preserves insulation continuity during installation and use.
Application
Exterior walls with light-dry thermal insulation made of panels (e.g. metal sheets, wood cladding, siding, cement or composite cladding)
Exterior and interior stud walls (wood and metal framework)
Exterior walls with stone or glass cladding
Soofits
Cavity Walls
Hollow Foundations Walls
Dropped Ceilings
Curtain Walls
Downloads
PRODUCT
COVERSLAB® LV
Coverslab® LV is the lightweight version of our stone mineral wool insulation boards, designed for ventilated façade systems and external wall applications where easy handling and fast installation are essential.
With a declared thermal conductivity of (λD = 0.035 W/m·K), it provides reliable thermal and acoustic insulation while simplifying transportation and on-site work.
Despite its reduced weight, Coverslab® LV retains excellent dimensional stability and long-term durability.
It offers full Euroclass A1 fire resistance, ensuring safe and efficient insulation performance across a wide range of façade systems.
Manufactured in 1200 × 600mm format, it is fully compatible with modern rainscreen cladding systems, combining lightness, efficiency, and safety in one versatile insulation solution.
Features
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Efficient Thermal Insulation
Coverslab® LV maintains excellent energy performance with a declared thermal conductivity of λD = 0.035 W/m·K, helping reduce heat loss while supporting sustainable and efficient building design.
Lightweight and Easy to Install
Thanks to its reduced weight, Coverslab® LV simplifies handling, lifting, and installation. It is particularly well-suited for large façades, high-rise buildings, or projects requiring fast and ergonomic application.
Application
Exterior walls with light-dry thermal insulation made of panels (e.g. metal sheets, wood cladding, siding, cement or composite cladding)
Exterior and interior stud walls (wood and metal framework)
Exterior walls with stone or glass cladding
Soofits
Cavity Walls
Hollow Foundations Walls
Dropped Ceilings
Curtain Walls
Downloads
