58-Intumescent_acrylic_mastic

Intumescent Acrylic/Acoustic Mastic

A versatile, fire resistant sealant for fire-stopping gaps from 1mm to 30mm wide. (PRODUCT 58)

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  • Description
  • APPLICATION INSTRUCTIONS
  • DOWNLOADS
  • ORDER REFERENCES

Product Description

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A halon-free, acoustic intumescent mastic with good adhesion to all materials. Available in white, grey and brown. Supplied in 310ml tubes, For fire stopping gaps from lmm up to 60mm wide (for wider gaps fit Product 40 into the gap first). After application, a face skin forms allowing painting, but stays permanently flexible. It is a low-pressure material with good cooling ability for metals, expands up to five times its size in a fire. The white or grey mastic will glow in the dark or in a smoke filled room. Ideal for use around exit door frames. and for filling small holes or cracks. Also ideal for use prior to applying S/Ceramic. A new acoustic acrylic mastic version is available for non-fire-rated areas.

 

ADVANTAGES

  • For use as a seal between door frames and walls, around edges of partitions, or in voids around services such as pipes- Can be used in conjunction with Envirograf Intumescent Slabs (Products 4 and 5), Blocks (Products 2 and 3) and Expansion Joints (Products 39 and 40) to provide a robust penetration seal
  • Can be painted over for decorative purposes
  • Standard mastic tube can be used with any normal skeleton gun

 

FIRE TEST PERFORMANCE

Tested to BS476 Parts 20, 21 & 22 (1987), achieving integrity ratings of up to 249.

Tested to European Standard EN1363-1 (2000), achieving 126 minutes protection.

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APPLICATION INSTRUCTIONS

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A minimum of 12mm depth is required around ceiling, floor and wall joints in computer areas. This prevents Halon gas scaping. All surfaces should be sound and clean. Oily surfaces should be wiped with white spirit and then dried.  Dry, dusty brickwork must be moistened prior to application of Envirograf Intumescent Mastic, using a normal skeleton gun. Extrude the mastic firmly against the sides of the joint, ensuring firm contact. Can be painted over only after surface skin has formed.

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DOWNLOADS

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Please use the links below to download relevant information as PDF documents:

 

Technical Information

TD058-10-2014

 

Application Instructions

AP058-10-2014

 

COSHH Data

HS058-06-2015

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ORDER REFERENCES

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REF    
AM 310ml Coloured
AM 310ml White
Available on a pallet (1600) tubes                                     WHITE ONLY

Available in standard colours: White, Grey and Brown

Please state clearly on your order which colour option you require

 

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