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RainScreen Duo Slab®

RainScreen Duo Slab is a BBA-approved insulation product for ventilated, sealed, and masonry cladding systems, providing thermal efficiency, acoustic comfort, and fire resistance.

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  • Rainscreen Duo Slab - BBA Certificate - 17/5402 - Cladding
  • Rainscreen Duo Slab - BBA Certificate - 17/5402 - Timber or Steel

Application(s)

  • External Wall
  • Rainscreen Cladding

Product description

RainScreen Duo Slab for steel frame, timber frame or masonry walls is manufactured using Dual Density technology. The outer surface of each slab features a distinctly higher density than the underside providing a firm surface for the application of fixings and RainScreen Duo-slab is manufactured with a water repellent agent. The product can be cut to size and fitted around brackets. Adjacent slabs effectively ‘knit’ together to provide a continuous insulating layer by preventing gaps.

  • Euroclass A1 in accordance with BS EN 13501-1 Reaction to Fire rating
  • Thermal conductivity 0.034 W/mK
  • BBA approved (Certificate No. 17/5402)
  • Certified by Quiet Mark TM

Areas of application

Application for RainScreen Duo Slab are:

  • Steel frame, timber frame or masonry walls in conjunction with a cladding system
  • Steel frame or timber frame with a masonry outer leaf

Documentation

RainScreen Duo Slab Datasheet

RainScreen Duo Slab Datasheet

RainScreen Duo Slab is a BBA-approved insulation product for ventilated, sealed, and masonry cladding systems, providing thermal efficiency, acoustic comfort, and fire resistance.

Rainscreen Duo Slab BBA Certificate

Rainscreen Duo Slab BBA Certificate

Certificate No. BBA-17-5402-Rainscreen Cladding Systems

Rainscreen Duo Slab BBA Certificate

Rainscreen Duo Slab BBA Certificate

Certificate No. BBA-17-5402-Timber or Steel Frame

Rainscreen Duo Slab Installation Guide

Rainscreen Duo Slab Installation Guide

Installation guidelines for ROCKWOOL Rainscreen Duo Slab

SUIS ROCKWOOL UK

SUIS ROCKWOOL UK

Safe use instruction sheet ROCKWOOL stone wool insulation products

Republic of Ireland Price List

Republic of Ireland Price List

Price List March 2025

UK Price List

UK Price List

Price List March 2025

Product properties

NameValueTest standardSymbolUnit
Declared thermal conductivity0.035EN 826λDW/mK
Reaction to FireA1EN 13501-1Euroclass
Long term water absorptionNPDEN 12087WL(P)kg/m²
Short term water absorptionNPDEN 1609WSkg/m²
Product standardEN 13162:2012+A1:2015
Declaration of Performance (DoP) numberUK-WER-0031
BBA certificate number17/5402
QuietMark certificate number
Facing type, side 1No Facing
Alu Foil
Glass Tissue (black, Neutral, White)

Product variants

Cambridge Street Project - RAINSCREEN DUO SLAB

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