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Crown Timber Slab

For the thermal insulation of external walls and warm roofs in timber frame construction.

Description

Crown Timber Slab consists of a resilient, unfaced, non-combustible glass mineral wool slab with a very high level of thermal resistance.

Application

Crown Timber Slab is for the thermal insulation of external walls and warm roofs in timber frame construction. Crown Timber Slab is friction fitted between studs and rafters and are 570mm wide to suit commonly used stud and rafter spacings.

Crown Timber Slab can also be used for acoustic insulation in timber framed separating walls.

Standards

Crown Timber Slab is a non-combustible inorganic glass wool, defined as mineral wool in BS 3533: 1981 and is manufactured in accordance with BSI Quality Assurance Standard BS EN ISO 9001: 2000

Durability

Crown Timber Slab is rot proof, does not sustain vermin and will not encourage the growth of fungi, mould or bacteria.

Crown Timber Slab is odourless and non-hygroscopic.

Vapour resistance and condensation

Crown Timber Slab allows water vapour to pass freely through it, therefore allowing the construction element to breathe.

Environmental

Crown Timber Slab is free from CFCs, HCFCs and any other material with ozone depletion potential in its manufacture and content and represents no known threat to the environment.

Crown Timber Slab Image
Performance

Thermal

Crown Timber Slab has a thermal conductivity of 0.032 W/mK.

Fire

Crown Timber Slab is classified as Euroclass A1 to BS EN ISO 13501-1.

Acoustics

Crown Timber Slab has excellent sound absorption characteristics.

Benefits
  • Very high thermal performance
  • Sized to friction fit between studs at 600mm centres
  • Easy to handle and install with no gaps
  • Friction fitting allows stud space to be completely filled, eliminating air gaps
Downloads

Crown Timber Slab’s manufacture has a low impact on the environment and is classified as Zero ODP and Zero GWP.

Handling and Storage

Crown Timber Slab is easy to handle and install, being lightweight and easily cut to size.

It is supplied in polythene packs which are designed for short term protection only. For longer term protection on site, the product should either be stored indoors, or under cover and off the ground. Installation instructions are on every pack.

Crown Timber Slab should not be left permanently exposed to the elements.

Product Data

Thickness (mm) Thermal conductivity (W/mK) Thermal resistance (m2K/W) Length (m) Width (mm) Area per Pack (m2) Slabs per Pack
90 0.032 2.80 1.17 570 4.00 6
50 0.032 1.55 1.17 570 6.67 10
All dimensions are nominal

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