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Mayplas 531 Foil Faced Glass Fibre Roll is designed for use in thermal and acoustic applications where additional tear strength and a high efficiency vapour barrier are required. The foil facing forms a vapour barrier to DIN 53122 and is usually placed on the warm side of the structure.

Benefits:

  • 25–200 mm thicknesses.
  • Vapour barrier to DIN 53122.
  • Class 1 surface spread of flame.
  • Ideal for use under metal cladding.

Options

Foil facing:

  • Foil/ Scrim/ Kraft paper laminate.
  • Vapour barrier to DIN 53122.
  • Class 1 surface spread of flame to BS EN 476-7.

Glass fibre nominal density:

  • 10 kg/m³: 60, 80, 100, 150 and 200 mm.
  • 20 kg/m³: 25, 40 and 50 mm.

Thermal resistance (R-value):

  • 25 mm: 0.75 W/m²K.
  • 50 mm: 1.51 W/m²K.
  • 60 mm: 1.35 W/m²K.
  • 80 mm: 1.80 W/m²K.
  • 100 mm: 2.25 W/m²K.
  • 150 mm: 3.40 W/m²K.
  • 170 mm: 3.85 W/m²K.
  • 200 mm: 4.50 W/m²K.

Glass fibre fire rating:

A1 as defined in BS EN 13501-1.

Acoustics:

When used for sound absorption over suspended ceilings, Mayplas 531 will typically achieve a noise reduction coefficient of 0.8 in the range 125–400 Hz.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-45-70/355 Mineral wool insulation

Product specification

An important note about specifying

Manufacturer

Name:

Mayplas

Tel:

+44 (0)161 447 8320

Product reference

531 Foil Faced Glass Fibre Roll

Thickness

[25 mm]
[40 mm]
[50 mm]
[60 mm]
[80 mm]
[100 mm]
[150 mm]
[170 mm]
[200 mm]

Manufacturer details

Peel Industrial Estate,
Chamberhall Street,
Bury, BL9 0LU
Tel +44 (0)161 447 8320
Fax +44 (0)161 447 8333
NBS Plus
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