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Everbuild Intumescent Acoustic Sealant 900ml AC95

Manufacturer: Sika Limited(Formerly Everbuild Building Products Ltd)

SKU: CSS0121-00091

This Everbuild AC95 is a high strength, permanently flexible acoustic/intumescent sealant, and adhesive. Specifically formulated for sealing, bonding plasterboard, and other kraft lined insulation boards where a fire rated seal of up to 5-hours is required. It is a water based, solvent free formula which is easy-to-use, to clean up, and adheres to almost all building substrates.

Availability: In stock

£13.62

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Overview
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The Everbuild product is permanently flexible with high grab will adhere to most surfaces whilst being mould resistant, and non-flammable. When cured, it can be painted over, and is easy to clean up.

AC95 will form an acoustic and intumescent barrier by sealing gaps between plasterboard walls, floors, ceilings, and dry lining applications.

As an adhesive, Everbuild AC95 bonds plasterboard to plasterboard, wood, metal studding, and direct to block work. Also ideal for sealing and bonding most other kraft lined insulation boards.

This product has an acoustic rating to BS EN ISO 140/3, and is tested for air permeability to EN13141-1 ventilation for buildings.

Size : 900 ml.
Colour: White.

Technical Specs

900ml
Non-flammable. Conforms to BS476 Parts 20/22. Independently tested by Warrington Fire Research, Report Number 144508/B (FEB 2005)
Forms a fire rated acoustic barrier - up to 5 hour fire rating - 25% greater than conventional/competitive fire rated sealants
Form Ready to use thixotropic paste
Specific Gravity 1.57-1.60
Elongation at Break (%) 100-200%
Hardness (Shore A) Approximately 40
Tack Free Time 15 to 60 mins, dependent on thickness, ambient temperature and humidity
Full Cure 1 to 5 days, dependent on thickness, ambient temperature and humidity
Solids Content 83%
Slump Resistance No slump at 25°C when placed in a 20mm x 10mm vertical channel
Application Temp. Range +5°C to +40°C
Service Temp. Range -15°C to +70°C
Chemical Resistance Dilute Acids - Fair Dilute Alkaline - Fair
Aliphatic Hydrocarbons - Fair AromaticHydrocarbons - Poor
Movement Accommodation Low to medium (± 7.5%)
Durability Up to 15 years when used as recommended
Compatibility Can be used in contact with most building and decorating materials but
Should not be used against bituminous materials.

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