BA120 Intumescent Fire Retardant Acrylic Sealant is a one part, ready to use, fire rated, acrylic sealant designed for joints in compartment walls and floors, fire sealing expansion joints, seals in and around lightweight partitioning, around fire rated doors and in service penetration seals where the integrity of fire walls or partitions needs to be maintained. Intumescent qualities enable the material to swell under heat conditions, producing a fire and smoke resistant seal for up to 4 hours.
BA120 Intumescent Fire Retardant Acrylic Sealant does not emit halogenated by-products under fire conditions, and contains no raw materials known to have an estrogenic effect in the environment. It has good unprimed adhesion to a wide variety of common building substrates.

features

• Advanced intumescent formulation
• High performance 4 hour fire rating – tested to BS476 part 20 &22
• Suitable for a large number of applications
• Easy to use

specification

Slump - Nil at Joints up to 28mm
Shrinkage - Approximately 12%
Cure Rate - 3mm per day at 50% relative humidity 23°C
Staining - None
Tack Free Time - 15 minutes
Weather Resistance - Good when fully cured
UV Resistance - Good
Movement Capability - ±20% of original joint size

Performance & Usage
Joint Size (Width x Depth)	Backing	Configuration	Integrity (mins)	Insulation (mins)	Meters per Cartridge
6 x 10mm	PE or MMMF	Single Seal	120	30	5.2
6 x 10mm	PE or MMMF	Dual Seal	240	240	2.6
10 x 10mm	PE or MMMF	Single Seal	120	30	3.1
10 x 10mm	PE or MMMF	Dual Seal	240	240	1.55
15 x 10mm	PE or MMMF	Single Seal	120	30	2.1
15 x 10mm	PE or MMMF	Dual Seal	240	240	1.05
20 x 10mm	PE or MMMF	Single Seal	120	30	1.5
20 x 10mm	PE or MMMF	Dual Seal	240	240	0.75
25 x 10mm	PE or MMMF	Single Seal	120	30	1.2
25 x 10mm	PE or MMMF	Dual Seal	240	240	0.6
•PE = Polyethylene Foam •MMMF = Man Made Mineral Fibre

installation

• Clean all joint free from dust, oil and grease.
• Masking surrounding surfaces if necessary
• Ensure gap is filled using one of the above backing materials.
• Fill gap to the required depth, tool off for a smooth finish.

For further installation details please contact firestopit.

storage and disposal

BA120 Intumescent Sealant should be stored indoors ideally between +5ºC to +30ºC in dry conditions. Shelf Life is twelve months from date of manufacture.

Additional Resources

Datasheet

Material Safety Datasheet

Test Data

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