Description
Rockwool Nyrock Cavity Wall 32 Insulation 200mm Pallet Deal- 15 Packs (16.38sm)
NyRock® Cavity Slab 032 – Product Description
NyRock® Cavity Slab 032 is a high-performance stone wool insulation designed specifically for full-fill and partial-fill masonry cavity wall applications. Engineered using ROCKWOOL’s advanced technology, it delivers exceptional thermal efficiency, enhanced acoustic performance and full non-combustible fire protection.
Key Features
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Thermal conductivity of 0.032 W/m·K for outstanding energy efficiency
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Euroclass A1 non-combustible, providing the highest level of fire safety
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BBA approved for both full-fill and partial-fill cavity wall installations
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Water-repellent and vapour-permeable, helping control moisture while allowing the building to breathe
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Excellent acoustic insulation, reducing sound transfer through external or party walls
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Designed in 455mm width slabs, aligning with standard wall tie spacing for a secure, snug fit
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Easy to install, with a rigid structure that friction-fits neatly into cavity walls
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Durable stone wool, maintaining long-term performance without sagging or degrading
Applications
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Full-fill masonry cavity walls
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Partial-fill cavity walls
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New-build homes
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Residential and commercial external walls
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Party/cavity walls requiring improved thermal and acoustic performance
Performance Summary
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Thermal Conductivity (λD): 0.032 W/m·K
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Fire Rating: Euroclass A1 (non-combustible)
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Width: 455mm slabs
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Thickness Range: 50mm–200mm (varies by application)
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Certification: BBA approved for use in domestic and non-domestic buildings
Why Choose NyRock® 032?
NyRock® 032 offers one of the best thermal performances in its category, combined with superior fire resistance and ease of installation. It is an ideal choice for builders, developers and homeowners looking for reliable, high-efficiency insulation for cavity wall construction.



