Nullifire FS700 Dynamic Sealant

Nullifire FS700 Dynamic Sealant


FS700 is a waterborne, single pack acrylic based sealer used to form linear gap seals where gaps are present in floor and wall constructions.

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    FS700 Dynamic Sealant
    Usage / Purpose
    The FS700 is designed to be used in conjunction with a light weight mineral fibre material to form a fire seal at the junction between floor slab and curtain wall. The intended use of system FS700 is to reinstate the fire resistance performance of gaps in and joints between joints in rigid floor and wall constructions. FS700 provides up to 3 hours of fire protection.
    • Accommodates movement up to 12½%

    • Acoustics up to 33 dB

    • Waterborne single pack system

    • Tested in accordance with EN1366-4 up to 3 hours Classification EN 13501:2007

    • Reaction to fire Class E

    EN 13501, CE ETAG-026
    Fire Protection:
    Up to 3 hours
    1.70 mm after drying (minimum)
    20 kg pail
    Application Temperature:
    5°C or above
    Reaction to Fire:
    Class E
    Up to 33 dB
    Shelf Life:
    6 months when stored as recommended. Shelf life will be reduced if stored at temperatures above 25°C.
    Full Information:
    Check out the full datasheet available in the Downloads section!

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