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538 White Tissue Faced Rockwool Roll

Mayplas 538 White Tissue Faced Rockwool Roll is designed for use in thermal and acoustic applications where additional tear strength is required without the facing affecting acoustic performance.


  • 60–180 mm thicknesses.
  • Excellent sound absorption.
  • Class 1 surface spread of flame.
  • Ideal for use under metal cladding.

General information

Uniclass 2015

Pr_25_57_06_53 Mineral wool insulationPrimary


P10/10 Loft insulation

P10/125 Insulation laid between ceiling ties/ joists

P10/135 Insulation laid across ceiling ties/ joists

P10/140 Insulation fitted between rafters

P10/15 Insulation fitted between rafters

P10/190 Insulation fitted between studs

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 insulation

Product Reference

538 White Tissue Faced Rockwool Roll


60 mm

80 mm

100 mm

120 mm

150 mm

160 mm

180 mm

Standard product features

Roll width:

1000 mm.

Product Options

Whit tissue facing:

  • 90 g/m² non woven.
  • Class 1 Surface Spread of Flame to BS EN 476-7.

Thermal resistance (R-value):

  • 60 mm: 1.50 W/m²K.
  • 80 mm: 2.00 W/m²K.
  • 100 mm: 2.50 W/m²K.
  • 120 mm: 3.00 W/m²K.
  • 150 mm: 3.75 W/m²K.
  • 160 mm: 4.00 W/m²K.
  • 180 mm: 4.50 W/m²K.

Reaction to fire:

A1 as defined in BS EN 13501-1.

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