MP552 Masonry Cavity Barrier

MP552 Masonry Cavity Barrier and MP552 Masonry Party Wall Barrier are polythene enclosed stone mineral wool cavity barriers manufactured in sizes to suit specified cavity widths. MP552 Masonry Cavity Barriers assist in satisfying requirements of guidance documents such as Approved Document B and The Scottish Technical Handbooks. MP552 Masonry Cavity Barriers are suitable for both vertical and horizontal positioning to the edge of cavities such around openings, at compartment lines and to sub-divide cavities.

MP552 Masonry Party Wall Barriers is suitable for use at party wall lines. MP552 is placed at designated positions during erection of masonry which then compresses the barrier between the inner and outer leaf within the cavity creating a seal against smoke and heat transmission.

Features and benefits:

• Can be used for cavities from 35–235 mm.
• Wide range of cavities gives greater design scope
• Tested to BS EN 1366-4 for up to 60 minutes fire integrity (E).
• Achieves the desired fire performance for compartmentation.
• Tested at both mid-cavity and flush to apertures, as per the requirement of BS EN 1366-4.
• Suitable for vertical and horizontal applications for mid-cavity and around apertures such as doors and windows.
• Suitable for party wall cavities from 50–100 mm.
• MP552 Party Wall Barrier sizes permit flexibility in design.
• Closed state barrier.
• Assists in reducing flanking sound transmission between properties.