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Rockwool Rolls

Lightweight, water repellent and rot proof stone wool insulation, suitable for installation between roof and floor ties/ joists in domestic, commercial and industrial buildings.

Offers excellent thermal, acoustic and fire protection insulation.

Rockwool Rolls are CE, Key and Kite marked in accordance with BS EN 13162.

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

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

Uniclass 2015

Pr_25_57_06_56 Mineral wool slab insulationPrimary


K10/215 Suspended ceiling system

K10/50 Suspended ceiling on metal framing

K11/115 Battened plywood floating floor

K11/125 Battened particleboard floating floor

K11/135 Battened oriented strand board floating floor

K11/145 Battened cement-bonded particleboard floating floor

K11/20 Battened particleboard floating floor

K11/25 Particleboard floating floor

K20/150 Battened timber board floating floor

K20/20 Battened timber board floating floor

K21/120 Battened wood flooring

K21/130 Battened wood floating floor

K21/140 Battened wood laminate flooring

K40/10 Suspended ceilings

K40/105 Suspended ceiling system

K40/285 Insulation

K40/55 Insulation

K45/13 Suspended ceiling system alterations

P10/10 Loft insulation

P10/125 Insulation laid between ceiling ties/ joists

P10/135 Insulation laid across ceiling ties/ joists

P10/170 Insulation to loft access hatches

P10/20 Insulation to loft access hatches

P10/220 Sound insulation within timber framed separating wall

P10/240 Insulation fitted between floor joists

P10/250 Insulation supported between floor joists

P10/40 Insulation fitted between studs

P10/45 Insulation laid between floor joists

P10/50 Insulation supported between joists

Specification data - Mineral wool slab insulation

Product Reference

Rockwool rolls


100 mm

150 mm

170 mm

Standard product features


  • 1200 mm wide, partly cut to provide 400 mm and 600 mm widths as required.
  • Thickness x Length: 100 x 4800 mm; 150 x 3200 mm; 170 x 2800 mm.

Thermal conductivity:

0.044 W/mK.

R values:

  • 100 mm: 2.27 m²K/W.
  • 150 mm: 3.41 m²K/W.
  • 170 mm: 3.86 m²K/W.

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