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Silverflame LUL Sealant
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description |
Silverflame® Sealant and Coating is a water based ablative
acrylic composition, designed to provide a fire and smoke barrier when
installed with Silverflame Fire Batts.
The finished product remains flexible between 0°C to +70°C and in the
presence of fire the seal releases water to form a fire and smoke barrier up
to 4 hours for penetration seals.
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features |
• Suitable for indoor and outdoor environment without
additional protection.
• Glass transition temperature below 0°C and therefore the seal remains
flexible between -10°C to +70°C
• Not affected by fungus, vermin or rodent.
• Halogen free, free from fibres, asbestos and solvents.
• Acoustic isolation.
• Suitable for AC ductwork.
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specification |
Packaging - 310ml, 10Kg and 25Kg Pails
Colour - White
Specific Gravity - 1.32
Tack Free Time - 40 minutes depending on temperature
Movement Capability - Low to Medium. 7.5% Butt Joints
Artificial Weathering - No Defects after 1000hrs – BS3900 F3
Heat Aging - No Defects after 336 hours at 40°C
Water Vapour Permeability - 3.08 g/m²/24 hrs – ASTMD 1653
Fire Resistance - 4 hours to BS476 part 20 (for penetration seals)
Adhesion - Excellent to Most Building Surfaces
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installation |
• Use rubber gloves and protection to avoid skin and eye
contact.
• Coat mineral fibre batt to a thickness of 1.5mm DFT / 2.4kg/m2 (spray
grade)
• Apply sealant to batts as advised in Firestopit installation manual
(trowel grade)
• Install sealant to a minimum depth of 10mm. For gaps over 10mm use a
backing rod (310ml cartridge grade)
For further installation details please contact firestopit.
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storage and disposal |
Silverflame Sealant is not affected by the outdoor
environment, however for long term storage it is recommended that it be
stored indoors. Any waste is considered non hazardous. Shelf life is 12
months from date of manufacture.
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