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PRODUCT
MP552 Masonry Cavity Barrier & 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 & BENEFITS
| FEATURES | BENEFITS |
|---|---|
| Can be used for cavities from 35-235mm | Wide range of cavities gives greater design scope |
| Tested to BS EN1366-4:2021 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 EN1366-4:2021 | Suitable for vertical and horizontal applications for mid-cavity and around apertures such as doors and windows |
| Suitable for party wall cavities from 50-100mm | MP552 Party Wall Barrier sizes permit flexibility in design |
| Closed state barrier | Assists in reducing flanking sound transmission between properties |
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MP552 - CAVITY STOP SOCK FOR MASONRY PARTY WALL
The Masonry Party Wall Cavity Stop Sock 552 is designed to prevent passage of fire through concealed voids within the external fabric of a masonry wall construction, but more specifically where the junction is formed between the external cavity and the party wall cavity.