Premium Flexible Glass Mineral Wool Insulation Slab 35 for Thermal and Acoustic Performance - 400mm & 600mm Widths

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Premium Flexible Glass Mineral Wool Insulation Slab 35 is a non-combustible glass mineral wool slab designed for fast, accurate friction fit between studs and joists. Supplied in 400 mm and 600 mm widths, it minimises gaps at joints, reduces cutting on site and delivers dependable thermal and acoustic performance across walls, floors and roofs.

Why choose Adapt Slab 35

  • Euroclass A1 non-combustible for maximum fire safety and compliance
  • λ 0.035 W/mK declared thermal conductivity to cut heat loss and running costs
  • Friction fit installation at 400 mm and 600 mm centres to reduce gaps and waste
  • Acoustic benefit to help control sound transmission through partitions and floors
  • Robust, flexible slab that handles well and keeps its shape in service
  • Low environmental impact with up to 84% recycled glass and A+ Green Guide rating

Typical applications

  • Light gauge steel framing systems (between studs only)
  • Party and separating walls
  • Internal stud partitions
  • External timber frame walls
  • Internal and separating floors
  • Suspended timber ground floors
  • Warm pitched roofs

Technical details

Specification Measurement
Material Glass mineral wool slab
Format Flexible, semi-rigid slabs for friction fit
Widths 400 mm and 600 mm
Thermal conductivity (λ) 0.035 W/mK (declared)
Nominal density 22 kg/m³
Fire classification Euroclass A1, tested to BS EN 13501-1:2018
Vapour resistivity 5 MNs/gm (nominal)

Product specification

Note: Slabs below are 600 mm wide. 400 mm width is also available for common stud centres.

Thickness (mm) Length (mm) Width (mm) Slabs per pack Pack Area (m²) Packs per pallet Thermal Conductivity (W/mK) Thermal Resistance (m²K/W)
50 1200 600 16 11.520 20 0.035 1.40
70 1200 600 12 8.640 20 0.035 2.00
90 1200 600 10 7.200 20 0.035 2.55
100 1200 600 8 5.760 20 0.035 2.85

FAQ

  • What is the thermal conductivity of Adapt Slab 35? It has a declared thermal conductivity of 0.035 W/mK.
  • Is it suitable for all types of walls? Yes, it is suitable for various applications including party walls, internal partitions, and warm pitched roofs.
  • What materials are used in the insulation? It is made from glass mineral wool with up to 84% recycled glass for a lower environmental impact.

Download Spec Sheet

PDF with image, specifications & dimensions

Specifications
SKU BI_IP1566
Brand industrialproducts-uk.co.uk
Product Type Industrial Hardware > Insulation
Thickness (mm) 50mm X 16 Slabs (11.52m2)
Length (mm) 1200mm
Width (mm) 600mm
What's Included
  • Premium Flexible Glass Mineral Wool Insulation Slab 35 for Thermal and Acoustic Performance - 400mm & 600mm Widths
  • VAT invoice for business accounting
  • Product documentation (where applicable)
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Description

Premium Flexible Glass Mineral Wool Insulation Slab 35 is a non-combustible glass mineral wool slab designed for fast, accurate friction fit between studs and joists. Supplied in 400 mm and 600 mm widths, it minimises gaps at joints, reduces cutting on site and delivers dependable thermal and acoustic performance across walls, floors and roofs.

Why choose Adapt Slab 35

  • Euroclass A1 non-combustible for maximum fire safety and compliance
  • λ 0.035 W/mK declared thermal conductivity to cut heat loss and running costs
  • Friction fit installation at 400 mm and 600 mm centres to reduce gaps and waste
  • Acoustic benefit to help control sound transmission through partitions and floors
  • Robust, flexible slab that handles well and keeps its shape in service
  • Low environmental impact with up to 84% recycled glass and A+ Green Guide rating

Typical applications

  • Light gauge steel framing systems (between studs only)
  • Party and separating walls
  • Internal stud partitions
  • External timber frame walls
  • Internal and separating floors
  • Suspended timber ground floors
  • Warm pitched roofs

Technical details

Specification Measurement
Material Glass mineral wool slab
Format Flexible, semi-rigid slabs for friction fit
Widths 400 mm and 600 mm
Thermal conductivity (λ) 0.035 W/mK (declared)
Nominal density 22 kg/m³
Fire classification Euroclass A1, tested to BS EN 13501-1:2018
Vapour resistivity 5 MNs/gm (nominal)

Product specification

Note: Slabs below are 600 mm wide. 400 mm width is also available for common stud centres.

Thickness (mm) Length (mm) Width (mm) Slabs per pack Pack Area (m²) Packs per pallet Thermal Conductivity (W/mK) Thermal Resistance (m²K/W)
50 1200 600 16 11.520 20 0.035 1.40
70 1200 600 12 8.640 20 0.035 2.00
90 1200 600 10 7.200 20 0.035 2.55
100 1200 600 8 5.760 20 0.035 2.85

FAQ

  • What is the thermal conductivity of Adapt Slab 35? It has a declared thermal conductivity of 0.035 W/mK.
  • Is it suitable for all types of walls? Yes, it is suitable for various applications including party walls, internal partitions, and warm pitched roofs.
  • What materials are used in the insulation? It is made from glass mineral wool with up to 84% recycled glass for a lower environmental impact.

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Premium Flexible Glass Mineral Wool Insulation Slab 35 for Thermal and Acoustic Performance - 400mm & 600mm Widths
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