Arboseal Intumescent Tape

Guidance for specification option:

• This fire-resisting silicone sealant is recommended as a capping to the Arboseal intumescent tape in external glazing or exposed conditions.
• Correctly applied the sealant should not require maintenance and has an anticipated life of in excess of 25 years.
• Painting of the sealant is not recommended.
• The sealant is not recommended for use with laminated glass or against natural stone.
• It is resistant to most alkalis and dilute acids; organic solvents may cause the sealant to swell and loose adhesion, but do not directly dissolve the material.

UV resistance:

• Very good.

Curing time:

• 7–14 days depending on joint configuration and atmospheric conditions.

Primer for brickwork/ concrete and stained timber frames:

• Arbo Primer 2650.
• Primers are available to suit other substrates, refer to technical literature for details.

Joint backing:

• Arboseal Intumescent Tape.

Application temperature:

• +5 to +50°C.

Specification compliance:

• Tested to BS 476: Part 20: 1987.
• Refer to technical literature for details of other BS, DIN and US Federal standards that the tape complies with.

Fire integrity:

• Single seal – 4 hour integrity and 30 minute insulation.
• Double seal – 4 hour integrity and 4 hour insulation.

Standard colours:

• Black and Grey. Other colours are available to special order.

Joint width:

• Minimum 6 mm. Maximum 25 mm (single application).
• Minimum joint depth (porous substrates): 10 mm.
• Joint depth: Minimum (non-porous substrates) 10 mm. Maximum 25 mm.

Health and safety:

• Avoid prolonged contact with the skin.
• The Planning Supervisor for the project should be informed of the specification of this product so its use can be included in the Health and Safety Plan.