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Mineral Wool for Cavity External Walls

In this category you will find all of the mineral wool insulation products suitable for the insulation of cavity external walls. Glass wool insulation offers great thermal performance as well as acoustic capabilities. The product can also be used for the sound insulation and will greatly improve the acoustic performance of the building element. Cavity wall batts and slabs are rot proof and non-hygroscopic. Our mineral wool slabs do not sustain vermin and will not encourage the growth of fungi, mould or bacteria. Please check the product list below.

FILTER BRAND: EcoTherm, Isover, Knauf, Rockwool, Show all

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75mm Knauf DriTherm 32 Ultimate Cavity Wall Insulation Slabs 1200x455 (pack of 6)

DriTherm 32 Cavity Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity. Thermal conductivity - 0.032 W/mK
Knauf

£42.07 (£50.48 inc VAT) Click to view discounts

5 or more: £41.52 (£49.82 inc VAT)
10 or more: £40.96 (£49.15 inc VAT)
20 or more: £40.12 (£48.14 inc VAT)

85mm Knauf DriTherm 32 Ultimate Cavity Wall Insulation Slabs 1200x455 (pack of 5)

DriTherm 32 Cavity Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity. Thermal conductivity - 0.032 W/mK
Knauf

£43.86 (£52.63 inc VAT) Click to view discounts

5 or more: £43.34 (£52.01 inc VAT)
10 or more: £42.82 (£51.38 inc VAT)
20 or more: £42.03 (£50.44 inc VAT)

100mm Knauf DriTherm 32 Ultimate Cavity Wall Insulation Slabs 1200x455 (pack of 6)

DriTherm 32 Cavity Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity. Thermal conductivity - 0.032 W/mK
Knauf

£40.63 (£48.76 inc VAT) Click to view discounts

5 or more: £39.83 (£47.80 inc VAT)
10 or more: £39.04 (£46.85 inc VAT)
20 or more: £37.84 (£45.41 inc VAT)

65mm Knauf DriTherm 37 Standard Cavity Wall Insulation Slabs 1200x455 (pack of 10)

DriTherm 37 Cavity Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity. Thermal conductivity - 0.037 W/mK
Knauf

£32.50 (£39.00 inc VAT) Click to view discounts

5 or more: £31.97 (£38.36 inc VAT)
10 or more: £31.43 (£37.72 inc VAT)
20 or more: £30.64 (£36.77 inc VAT)

85mm Knauf DriTherm 37 Standard Cavity Wall Insulation Slabs 1200x455 (pack of 8)

DriTherm 37 Cavity Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity. Thermal conductivity - 0.037 W/mK
Knauf

£30.33 (£36.40 inc VAT) Click to view discounts

5 or more: £29.84 (£35.81 inc VAT)
10 or more: £29.34 (£35.21 inc VAT)
20 or more: £28.59 (£34.31 inc VAT)

100mm Knauf DriTherm 37 Standard Cavity Wall Insulation Slabs 1200x455 (pack of 12)

DriTherm 37 Cavity Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity. Thermal conductivity - 0.037 W/mK
Knauf

£41.86 (£50.23 inc VAT) Click to view discounts

5 or more: £41.17 (£49.40 inc VAT)
10 or more: £40.48 (£48.58 inc VAT)
20 or more: £39.46 (£47.35 inc VAT)