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Specifying soffit insulation?

Choose a non-combustible solution

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FOR A NON-COMBUSTIBLE STRUCTURAL SOFFIT FLOOR, WE HAVE YOU COVERED

In a structural soffit floor, insulation is required for thermal, fire safety and acoustic performance to enhance the comfort of the habitable space above the soffit floor.

Sometimes, aesthetics are an important consideration, and a rock mineral wool board can be combined with a wood wool panel or an alternative facing to improve the appearance of the soffit area.

Whatever your requirement, we have a range of non-combustible options, with different finishes available.

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ENHANCED PRODUCT AND SERVICE OFFERING 
  • Improved thermal conductivity:
    0.034 and 0.035 W/mK 
  • Dual-layer option offering enhanced thermal performance options
  • Thickness range available 50 - 300mm (depending on solution)
  • Shorter lead times for standard thicknesses as part of an improved service offering 
  • Product-specific fixings available; colour matched black and off-white washers available, improving the look of the install of Rocksilk® Soffit Linerboards
  • Heraklith® Fixings available with matching textured finish

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Find out more

Visit our Structural Soffit Floors application page for further information

OUR ROCKSILK®SOFFIT LINERBOARD PRODUCTS

  

Rocksilk® Soffit Linerboard Extra

Rocksilk® Soffit Linerboard Standard 

Rocksilk® Soffit Linerboard Standard (Unfaced)

Thickness Range (mm): 

130+6 / 160+6 / 185+6 / 220+6 

50 / 75 / 130 / 160 /185 / 220

50 / 75 

Thermal Conductivity: 

0.034 / 0.24 W/mK 

0.034 W/mK 

0.034 W/mK

Fire Classification: 

Euroclass A1 to BS EN 13501-1 

Euroclass A1 to BS EN 13501-1 

Euroclass A1 to BS EN 13501-1 

*Rocksilk® Soffit Linerboard Extra is faced with a high impact-resistant cement particle board

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Follow the link below to get in touch for support with your projects