Nullifire FS702 Intumastic – Water-Based Fire Sealant

FS702 Intumastic is a water-based acrylic sealant that cures to form a firm yet flexible fire seal for both linear joints and service penetrations. Designed to work seamlessly with FB750 Intubatt, it provides fire, smoke, acoustic, and air-pressure sealing in a variety of construction applications.

Key Features & Benefits

• Up to 4 hours fire resistance – tested to EN 1366-4 and EN 1366-3

• Up to 30% movement capability during fire exposure

• Suitable for flexible walls, rigid walls, and rigid floors

• Acoustic & smoke sealing, air pressure tested up to 2000 Pa

• Optifire® and Optifire®+ traceability identifiers

Usage & Applications

FS702 Intumastic is ideal for sealing around:

• Non-combustible services, cables, and rock fibre insulated non-combustible pipes (minimum depth 25 mm)

• Linear construction joints (masonry/flexible wall to masonry/rigid wall/rigid floor)

• FB750 Intubatt to walls or floors 

• Service penetrations: copper & steel pipes, cable bundles/trays/ladders (with or without FI025 Intuflex Insulation Wrap)

• Cold smoke sealing and service movement joints

It also has excellent adhesive qualities for bonding and pointing joints and service penetrations in conjunction with the FB750 Intubatt system buy here 👉🏻Nullifire FB750 Intubatt – Lightweight Fire Barrier Board with Optifir – GER Construction Ltd

Typical Areas of Use

Health and leisure facilities, schools, universities, modular construction, commercial buildings, hospitals, retail and industrial units, train stations, nuclear power plants, and more.

Packaging

• White: 310 ml cartridges (12 per box / 25 per box)