Rockwool Cavity Wall Batts
Description

Stone wool insulation batts approved and certified by the BBA for fully filling masonry cavities in buildings up to 25 m in height.

Water repellent and rot proof insulation offering excellent thermal, acoustic and fire performance.

Rockwool Cavity Wall Batts are CE and Key marked in accordance with BS EN 13162.

Non-combustible, achieving a classification of A1 in accordance with BS EN 13501-1.

Rockwool is a ‘breathable’ material with a vapour resistivity similar to air (5.9 MNs/gm). Rockwool Cavity Wall Batts therefore reduce the risk of condensation and allow natural drying out of the wall construction.

Rockwool insulation products do not contain blowing agents with an ozone depletion potential (ODP) or global warming potential (GWP), are CFC-HCFC-HFC free and 97% recyclable. They will not react with metal components or cause loss of plasticiser from PVC cables and pipes.

General information

Size

1200 mm length x 455 mm width

The standard product width is suitable for wall ties spaced at 450 mm vertical centres

Other widths and thicknesses are available to order, depending on quantity

Uniclass 2015

Pr_25_57_06_50 Mineral fibre slab insulationPrimary

CAWS

F30/10 Full fill cavity insulation

F30/150 Full fill cavity insulation

Specification data - Mineral fibre slab insulation

Product Reference

Rockwool Cavity Wall Batts

Thickness

50 mm

65 mm

75 mm

80 mm

90 mm

100 mm

110 mm

120 mm

Standard product features

Size:

  • 1200 mm length x 455 mm width.
  • The standard product width is suitable for wall ties spaced at 450 mm vertical centres.
  • Other widths and thicknesses are available to order, depending on quantity.

Thickness:

To conform with the tolerance limits given in BS 6676-2: 1986, the as-built clear cavity width should be no more than 15 mm wider than the insulation thickness (10 mm for 50 and 60 mm thick batts), e.g. maximum clear cavity width for 100 mm thick insulation is 115 mm.

Thermal conductivity:

0.037 W/mK.

Standards:

Manufactured to BS EN 13162 and conforming with BS 6676-1.

Third party certifications
  • Certificate: 94/3079
  • LPCB approved : To BS EN 13501-1 – Class A1 Non-combustible (cert. 022e)
  • CE : Key and Kite marked to BS EN 13162
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