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Nullifire FS701 Water-Based Intumescent Acrylic Sealant

Nullifire FS701 Water-Based Intumescent Acrylic Sealant

Description

FS701 is a one-part fire resistant joint sealant. FS701 cures to give a firm, but flexible seal in low movement fire rated joints to seal between joints in FB747 FR Coated Batts, substrate to penetration service applications and pointing up of penetration seals.

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    What the experts have to say

    Nullifire FS701
    Substrates
    FS701 can achieve up to 4 hours joint fire resistance. Substrates for FS701 include: Masonry to masonry, Masonry to timber, Masonry to steel, FB747 to flexible wall, FB747 to rigid wall, Flexible wall to flexible wall, Flexible wall to rigid floor, Rigid floor to rigid floor and Rigid wall to rigid wall.
    • Single sided seal tested

    • Ideal for sealing low movement joints - suitable for gaps up to 50 mm wide

    • Suitable for rigid and flexible walls

    • Easily paintable

    • Acoustics up to 61 dB

    • Air seal up to 600 Pa

    • Can achieve up to 4 hours joint fire resistance tested in accordance with EN 1366-3, EN 1366-4 and ETAG 026

    • Used for sealing FB747 Coated Fire Batts

    Packaging:
    310 ml cartridges (12 per box) / 600 ml sausages (12 per box)
    Fire Protection:
    up to 4 hours
    Acoustic Rating:
    up to 61 dB
    Air Permeability:
    Air tight up to 600 Pa
    Depth of Sealant Required:
    50% of width (2:1 ratio)
    Tensile Strength:
    170 kN/m² (0.17 MPa)
    Cure Through Time:
    20 days at 20°C - 20 mm depth
    Solids Content:
    82% to 85%
    Full Information:
    Check out the full datasheet available in the Downloads section!

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