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EVERBUILD EVERFLEX AC95, High Strength Intumescent Acoustic Sealant, Interior, White, 900 mL

EVERBUILD EVERFLEX AC95, High Strength Intumescent Acoustic Sealant, Interior, White, 900 mL

Adhesives & Sealants
EVERBUILD

Everbuild is a well-established brand under the Sika group, specializing in high-performance sealants, adhesives, fillers, and building chemicals. Known for its reliable and durable products, Everbuild caters to both professional tradespeople and DIY enthusiasts. The product range includes silicone sealants, acrylic fillers, foam sealants, and various specialty construction chemicals designed to meet the demands of modern construction and renovation projects across the UK and beyond.

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General Specifications
Packaging 900 mL
Usage Acoustic/Fire Sealing In Drywall, Bonding Insulation Boards
Usage Area Interior
Color White
Chemical Base Ready to use thixotropic paste.
Storage Conditions Store in cool, dry conditions. Protect from frost.
Density 1.6-1.65 g/cm³
Service Temperature -15 >< +70
Application Time 10 - 15 min.
Curing Time 24 hours
Application Thickness 2 >< 3 mm
Application Method Gun
UV Resistant No
Moisture Resistant Yes
Mold Resistant No
Paintable Yes
Sealant Yes
Flexible Yes

A high strength intumescent acoustic sealant and adhesive

EVERBUILD EVERFLEX AC95 is a high strength, permanently flexible intumescent acoustic sealant and adhesive specifically formulated for sealing and bonding plasterboard and other Kraft-lined insulation boards, where a fire-rated seal of up to 4 hours is required. Water based, solvent-free formula, easy to use and clean up and adheres to just about all building substrates. Non-flammable.

  • Forms a fire rated acoustic barrier – up to 4 hour fire rating.
  • Permanently flexible/high grab.
Usage
  • To form an acoustic and intumescent barrier by sealing gaps between plasterboard walls, floors and ceilings and dry lining applications.
  • As an adhesive to bond plasterboard to plasterboard and to bond plasterboard to wood and metal studding and direct to block work.
  • For sealing and bonding most other kraft-lined insulation boards.
Advantages
  • Forms a fire rated acoustic barrier – up to 4 hour fire rating.
  • Permanently flexible/high grab.
 
  • Adheres to most surfaces.
  • Mould resistant.
  • Non flammable.
  • Easy clean up.
Slump Resistance  No slump at 25 °C when placed in a 20 mm x 10mm vertical channel. Application Temp Range +5 °C to + 40 °C Compatibility Can be used in contact with most building and decorating materials but should not be used against bituminous materials.
Packaging

900 ml cardboard cartridge.
Colour

White
Technical Information
Shore A Hardness

Approximately 40.

Movement Capability

Low (+/- 5 %)

Service Temperature

-15 °C to +70 °C

Chemical Resistance

Dilute Acids  - Fair                               Dilute Alkaline - Fair
Aliphatic Hydrocarbons - Fair              Aromatic Hydrocarbons - Poor
Application Information
Curing Time

1 to 5 days, dependent on thickness, ambient temperature and humidity.
Tack Free Time

15 to 60 mins, dependent on thickness, ambient temperature and humidity.