B W1 Breather Membrane

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B W1 Breather Membrane

ARBOShield Pro Class B W1 Breather Membrane is an extremely vapour permeable wall membrane with Class B-s1,d0 fire classification.

ARBO Façade Solutions (ARBO FS) is the new name for a ground-breaking initiative from ARBO, one of the longest established names in UK construction materials.

Main Applications

ARBOShield Pro Class B W1 Breather Membrane is suitable for practically all walling applications, especially high-rise and high-risk buildings such as schools, hospitals, care homes and residential blocks, helping to prevent the risk of fire spread. ARBOShield Pro Class B W1 Breather Membrane is also suitable for timber frame or modular off-site construction.

The composition of ARBOShield Pro Class B W1 Breather Membrane helps limit the spread of fire across a façade with limited risk of smoke or burning droplets in a fire situation. ARBOShield Pro Class B W1 Breather Membrane can be installed onto almost any substrate.

Size

Weight 115gsm
Roll Width 1500mm
Roll Length 50m

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    Technical Data

    StandardDescriptionPerformance
    EN 13501Reaction to FireB2-s1,d0*
    EN 13859-1Resistance to Water PenetrationClass W1
    EN 13859-1Tensile Strength MD200 N/50mm
    BS EN 12311-1
    EN 13859-1Tensile Strength CD140 N/50mm
    BS EN 12311-1
    EN 13859-1Flexibility at Low Temperature-40 °C
    EN 12572Water Vapour Transmission0.07sd
    EN 13859-1Resistance to Nail Tearing MD120 N BS EN 12310-1
    EN 13859-1Resistance to Nail Tearing CD140 N BS EN 12310-1

    Fixing Instructions

    Please contact us technical services for full guidance

    Storage

    ARBOShield Pro Class B W1 Breather Membrane should be stored in cool, dry conditions in the upright position.

    Health & Safety

    The material Safety Data Sheet must be read and understood before use. All relevant standards should be observed on site, including manual handling and working at height.

     

    Data Sheet PDF