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MP552 Masonry Cavity Barrier

Name: MP552 Masonry Cavity Barrier
Brand: Mayplas
SKU: daF2nSdagkH3EYHteWC7Ge

Verified by manufacturer 1 month ago

Mayplas

Masonry cavity barrier.

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Application

Designed to provide fire compartmentation within concealed voids within the external fabric of a masonry wall construction. When installing Mayplas MP552 Masonry Cavity Barriers it may be necessary to consider additional use of DPC’s and/or cavity trays in line with relevant Building Control guidance.

Description

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.

General information

Color	Green
Material	Polythene Mineral wool Stone wool
Shape	Rectangle
Length	1200 mm
Width	65 mm 90 mm 100 mm 130 mm
Height	50 mm 55 mm 60 mm 70 mm 65 mm 75 mm 80 mm 85 mm 90 mm 95 mm 100 mm 105 mm 110 mm 115 mm 120 mm 125 mm 130 mm 135 mm 140 mm 150 mm 145 mm 155 mm 160 mm 165 mm 170 mm 175 mm 180 mm 185 mm 190 mm 195 mm 200 mm 205 mm 210 mm 215 mm 220 mm 225 mm 230 mm 235 mm 240 mm 245 mm 250 mm Show more

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Specification data - Plastics cavity closers

Classification data
To fit cavity width	35 mm. 40 mm. 45 mm. 50 mm. 55 mm. 60 mm. 65 mm. 70 mm. 75 mm. 80 mm. 85 mm. 90 mm. 95 mm. 100 mm. 105 mm. 110 mm. 115 mm. 120 mm. 125 mm. 130 mm. 135 mm. 140 mm. 145 mm. 150 mm. 155 mm. 160 mm. 165 mm. 170 mm. 175 mm. 180 mm. 185 mm. 190 mm. 195 mm. 200 mm. 205 mm. 210 mm. 215 mm. 220 mm. 225 mm. 230 mm. 235 mm. Manufacturer guidance Maximum external cavity width.
Length (effective)	1200 mm.
Fire resistance	- Manufacturer guidance Dependent on type specified. MP551 Timber Frame Cavity has been independently tested in accordance with BS EN 1366-4 and subsequently assessed as a Field of Application. Field of application report number WF 547245.
ThermalConductivity	0.037 W/mK.