Acrylic & Silicone Fire Rated Sealants

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We supply intumescent sealants for use on (or around) fire doors.

Our acrylic and silicone intumescent sealants are both high expansion mastics, suitable for a range of applications.

Product brochures and data sheets are available for download (either call our office on 01305 457703 for a copy or skip to the bottom of this page to download your copy now).

Intumescent sealants  are designed to fill the gaps in or around a fire door, by expanding to fill the gap and slow the spread of the fire.

Our range of intumescent acrylic sealant has achieved the following fire and acoustic ratings:

BS 476 part 20

BS EN 1366-3: 2004 & BS EN 1366-4: 2006 (achieving 4 hour integrity and insulation rating for a range of linear and penetration seals).

BS EN ISO 140-3:1995 - 55dB Rw (acoustic testing)

Our range of Intumescent silicone  sealant has achieved the following fire and acoustic ratings:

BS EN 1366 part 4

BS EN ISO 140-3: 1995 - 55dB Rw (acoustic testing)

Meets ISO 11600 standard with the classification ISO 11600-F&G-25LM

Our range of intumescent Acrylic sealant has the following features and benefits:

• Can be used in joints up to 35mm wide without slumping
• Excellent adhesion to a wide range of substrates
• Does not harden or crack with age
• Available in 310ml cartridges in white and brown

Our range of intumescent Silicone sealant has the following features and benefits:

• Excellent adhesion to a wide range of substrates
• Long term resistance to heat, fire and weather
• Available in 310ml cartridges in white and grey

All the above sealants are regular stock items. For large orders (over 3 pallets) please contact our office on 01305 457703 to confirm lead times.

Our warehouse and technical support team have over 20 years experience of these intumescent sealant products.

If you have ANY questions about these products, their application or installation please contact us on 01305 457703 or email info@products4firedoors.co.uk.