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Intumescent Acoustic Mastic - Trade Name: ASTRO INTU MASTIC
'DoP's = Declarators of Performance.
A one part intumescent acrylic mastic for sealing gaps around fire doors, linear joints, penetraction seals, voids and irregular holes in fire rated structures. The sealant forms a char, preventing the passage of fire and smoke, when exposed to the heat of a fire.
Maintains fire integrity when sealing around pipes and cables that penetrate walls.
Tested in Block Wall, Concrete, Masonry and Plasterboard Partition.
Suitable for flexible walls, rigid walls & floors.
Tested in Linear Joints up to 60mm wide.
Tested in large service openings up to 490 x 150mm.
Tested for sealing of linear joints in concrete floors, masonry walls and plasterboard including head of wall details up to 60mm.
Tested around metallic pipes, cable trays, cable bunches, small, medium and large cables.
Sealant remains flexible after installation
In normal use the mastic will maintain the sound reduction index of a structure.
The mastic has been independently tested in accordance with BS476 and EN requirements. It can provide up to 300 mins of fire resistance depending on depth/width and volumetric area - please refer to the Performance Table below.
It has good unprimed adhesion to a wide variety of common building substrates. although we do recommend that a small area is tested on unusual substrates.
CE Marked : Certifire approval
UL-EU, UL-US Listed
Intumescent Mastic with Acoustic Rating.
Fire resistance testing to ASTM-E 1996, UL 2079
Fire resistance: EN 1366-3 EI 120, EN 1366-4 EI 240 and BS 476 300 mins.
Fire Classification to EN 13501-2.
Acoustic Isolation to EN 10140 to 63dB.
Air Permeability testing to EN 1026 to 600Pa - 100Pa 0.0/0.0 m3/h/m2.
Mechanical Adhesion and Tensile testing to EN ISO 8039 & EN ISO 9046.
VOC LEED 2009 EQ c41.1 5CAQ MD, Rule 1168 ASTM D2369D
Tested with Metallic Pipes, Cables, Cable Bunches, Cable Trays and Cable Ladders.
Causes no known adverse effects to plastic pipes, plastic cables, sheathing or metallic components.
Joint movement capability of +/- 20%.
Halogen free, resists fungi and vermin.
The fire resistance tests have been achieved through testing according to EN 1366-3, EN 1366-4 & BS 476 Part 20 & 22/1987 are specific to the conditions of test. They do, however, provide a good indication of the expected performance of the sealant in fire situations. To achieve a specific fire rating, all substrates being used in the system must have equivalent fire ratings.
The Astro intu Mastic Comes in Three Colours - White , Brown & Grey in Both 310ml Cartridge & 600ml Foils
To Order & Specify
Please contact us and quote the following information - Please quote- Quantity / Product Ref / Trade name / Size
Fire Test or Assessment Report
CE Marked : Certifire approval : UL-EU, UL-C, UL-US Listed
Health and Safety
The product does not present any known health hazards during or after installation. Normal good industrial and personal hygiene practices should be observed. For further information on health and safety requirements please see the (SDS) Safety Data sheet or contact the technical
Low VOC (air quality).
As part of our policy of ongoing improvements, we reserve the right to modify, alter or change product specifications without giving notice. Product illustrations are representations only. All information contained in this document is provided for guidance only, and as ASTROFLAME FIRESEALS LTD has no control over the installation methods of the products, or of the prevailing site conditions, no warranties expressed or implied are intended to be given as to the actual performance of the products mentioned or referred to, and no liability whatsoever will be accepted for any loss, damage or injury arising from the use of the information given of products mentioned or referred to herein.
The above information to the best of our knowledge is true and accurate and based upon
current test data and is supplied for your guidance only. Customers should satisfy themselves