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EVERBUILD Tecnic Fire Sealant 400, Fire & Acoustic Low Modulus Sealant, Interior, 380 mL

EVERBUILD Tecnic Fire Sealant 400, Fire & Acoustic Low Modulus Sealant, Interior, 380 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 380 mL
Usage Fire-Rated Joint Sealing In Walls, Partitions
Usage Area Interior
Color White
Chemical Base Alkoxy cure silicone.
Storage Conditions +5 °C to +25 °C - Store in cool, dry conditions.
Density 1.3 g/cm³
Service Temperature -40 >< +140
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

Fire and Acoustic Rated Low Modulus Sealant.

Everbuild Tecnic Fire Sealant 400 is a neutral cure, elastic, acoustic rated silicone sealant which conforms to EN1366-4:2006 for fire retardancy and has a fire rating of up to 4 hours in certain joint configurations. Typically used for all sealing joints within the building envelope which require a fire rating.

  • Fire rated to BS EN 1366-4.
  • Neutral cure – adheres to most building surfaces, porous and non porous.
  • Permanently flexible (25 % movement accommodation).
  • Excellent weathering characteristics – suitable for internal and external use.
  • Can be used in joints up to 50 mm wide.
  • Non slump - easy to apply and tool off.
  • Forms an acoustic seal.
Usage
  • All building joints which require a fire rating.
  • Sealing joints in fire walls, partitions and other structures.
  • Ideal for use for fire rated expansion joints.
Advantages
  • Fire rated to BS EN 1366-4.
  • Neutral cure – adheres to most building surfaces, porous and non porous.
  • Permanently flexible (25 % movement accommodation).
  • Excellent weathering characteristics – suitable for internal and external use.
  • Can be used in joints up to 50 mm wide.
  • Non slump - easy to apply and tool off.
  • Forms an acoustic seal.
 
Packaging

380 ml Cartridge.
Colour

White, grey and black.
Technical Information
Shore A Hardness

25 to 30

Movement Capability

±25 % (ISO 9047)

Service Temperature

-40 to +140 °C

Joint Design

For maximum movement accommodation, it is recommended that:
1. The sealant joint width should be no less than 5 mm.
2. Joint depth should be half joint width e.g. 20 mm wide and 10 mm deep.
Joint depth may be adjusted to the correct size; use EVERBUILD JOINT
BACKER ROD.
Max Joint Width - 50 mm.
Joint Width Calculation - Joint widths are calculated as in BS6213:
Width = (M x 100 / F) + M
Where M = movement and F = movement accommodation Factor.
Application Information
Curing Rate

>1 mm / 24hrs at 50 % Relative Humidity +23 °C.
Tack Free Time

20 - 30 minutes