Skip to main content

STONESHIELD Masonry Cavity Barriers for Masonry Applications

Product Description

Designed to provide fire compartmentation within concealed voids within the external fabric of a masonry wall construction.

STONESHIELD Cavity Barriers for Masonry Applications are polythene enclosed stone mineral wool cavity barriers manufactured in sizes to suit customer specified cavity widths.

STONESHIELD Masonry Cavity Barriers assist in satisfying requirements of guidance documents such as Approved Document B for England and Wales, Irish Approved Document B Fire Safety Volume 2 Technical Documents and The Scottish Technical Handbooks. The data shown below is from tests made to BS EN 1366-4:2021.

Note: Both BS EN 1366-4 and BS476: Parts 20/ 22 coexist in Approved Document B until 1st September 2029.

STONESHIELD Masonry Cavity Barriers have been tested within masonry construction and are suitable, vertically and horizontally, both mid cavity to the edge of cavities around openings, and at compartment lines sub-dividing cavities.

STONESHIELD Masonry Party Wall Barrier is suitable for use at party wall lines.

STONESHIELD Masonry Cavity Barriers are placed at designated positions during erection of brickwork which then compresses the barrier within the cavity creating a seal against smoke and heat transmission.

Feature Benefit
Can be used for cavities from 35 – 130mm Wide range of cavities gives design scope
Tested to BS EN1366-4:2021 for up to 60 minutes fire integrity (E) in Masonry Constructions Achieves the desired fire performance for compartmentation, tested as built on site
Tested at both mid-cavity and flush to apertures, as per the requirement of BS EN1366-4:2021 Suitable for vertical and horizontal applications for mid-cavity and around apertures such as doors and windows
Suitable for all party wall cavities (typically 50-100mm) STONESHIELD Masonry Party Wall Barrier sizes permit flexibility in design
Closed state barrier Assists in reducing flanking sound transmission between properties
Barrier lengths from 300 to 1200mm are available Reduces waste and cutting on site

STONESHIELD Masonry Cavity Barrier – installed by a window (construction by others)

STONESHIELD Masonry Cavity Barrier – midcavity (construction by others)

STONESHIELD Masonry Party Wall Barrier – installed vertically (construction by others)

Download Product Datasheet

Download Installation Guide

Enquire Now

Back to Products List

Need tailored insulation solutions?

Our team can help you choose the right products for your project.

📞 Call us today or send us a message via our Contact page.

Contact Us Today