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Full Fill Cavity Batt

ROCKWOOL® Full Fill Cavity Batt is a semi-rigid, non-combustible, BBA-approved insulation product for masonry cavity wall constructions.

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  • Full Fill Cavity Batt - BBA Certificate - 94/3079
  • Kitemark Certificate - KM 06661

Application(s)

  • External Wall
  • Internal Wall
  • Cavity Wall
  • Separating Walls

Product description

ROCKWOOL Full Fill Cavity Batt is a semi-rigid stone wool insulation batt for the thermal insulation of external masonry cavity walls and for the thermal insulation and acoustic protection of masonry party walls between dwellings.

Other than in very severe exposure locations with fair-faced masonry, the NHBC accepts the use of ROCKWOOL Cavity Batt in relation to NHBC Standards, Chapter 6.1, External masonry walls, provided it is installed, used and maintained in accordance with the BBA Certificate.

*Subject to application

  • Euroclass A1 in accordance with BS EN 13501-1 Reaction to Fire rating
  • Thermal conductivity 0.037 W/mK
  • BBA approved (Certificate No. 94/3079)

Areas of application

Applications for the Full Fill Cavity Batt are:

  • Thermal insulation of external masonry cavity walls
  • Thermal insulation and acoustic protection of masonry party walls between dwellings


Documentation

Full Fill Cavity Batt Datasheet

Full Fill Cavity Batt Datasheet

ROCKWOOL® Full Fill Cavity Batt is a semi-rigid, non-combustible, BBA-approved insulation product for masonry cavity wall constructions.

Full Fill Cavity Batt BBA Certificate

Full Fill Cavity Batt BBA Certificate

Certificate No. BBA-94-3079-Full Fill Cavity Wall Insulation

ROCKWOOL Stone Wool BSI Kitemark Certificate

ROCKWOOL Stone Wool BSI Kitemark Certificate

Certificate No. km06661-bs-en-13162-2012-a1-2015

Cavity Batt Installation Guide

Cavity Batt Installation Guide

Installation guideline for Cavity Batt ROCKWOOL Products

SUIS ROCKWOOL UK

SUIS ROCKWOOL UK

Safe use instruction sheet ROCKWOOL stone wool insulation products

UK Price List

UK Price List

Price List March 2025

Republic of Ireland Price List

Republic of Ireland Price List

Price List March 2025

Product properties

NameValueTest standardSymbolUnit
Declared thermal conductivity0.037EN 826λDW/mK
Reaction to FireA1EN 13501-1Euroclass
Long term water absorptionWL(P)EN 12087WL(P)kg/m²
Short term water absorptionWSEN 1609WSkg/m²
Product standardEN 13162:2012+A1:2015
CE certificate number0751-CPR-393.0-01
Declaration of Performance (DoP) numberUK-WER-0009-02
BBA certificate number94/3079
KEYMARK certificate number003–SDG-5-477232

Product variants

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