Product Data Sheet Show all documents
Sika® Forever
Sika® Forever
Sika® Forever
Sika® Forever

Sika® Forever

Superior hygienic silicone sealant for areas of high humidity.

Sika® Forever White, Forever Clear, Forever Grey & Forever Ivory are high-performance silicone sealants that remain permanently waterproof and flexible, ensuring exceptional durability in high-humidity environments. Formulated with Mould Shield® technology and rigorously tested in accredited microbiological laboratories, Sika® Forever sealants provide long-lasting resistance to mould, mildew, and bacterial growth. These sealants have been proven to resist mould growth even after 10 years of simulated ageing. Test data is available upon request.

  • High quality silicone.
  • Permanently waterproof.
  • Highly flexible.
  • Proven to resist mould growth and discolouration for 10 years (simulated ageing).
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Product Data Sheet Show all documents

Usage

  • Ideally suited for areas of high humidity, requiring a sanitary seal.
  • For sealing showers, baths, wet rooms, sanitary ware, ceramic tiles, kitchens.
  • Suitable for sealing window and door frames in condensation-prone areas.  

Advantages

  • High quality silicone.
  • Permanently waterproof.
  • Highly flexible.
  • Proven to resist mould growth and discolouration for 10 years (simulated ageing).

Packaging

295ml cartridge

Colour

White, Clear, Ivory and Grey

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Certified under the harmonized European standard EN15651 for façade, cold climate and sanitary applications in compliance with the Construction Product Regulation.

Tested for mould resistance under AATCC 30 part 3 and for bacterial resistance under ISO 22196.
Product Information

Chemical Base

Paste, 1 component RTV silicone

Shelf Life

24 months from date of manufacture

Storage Conditions

Store in cool dry conditions and protect from frost

Density

0.98 - 1.05 g/cm3

Viscosity

100,000 - 200,000 cP
Technical Information

Shore A Hardness

20

Tensile Strength

Approx. 0.6 N/mm² according to ISO 8339

Movement Capability

25 % according to EN15651-1

Service Temperature

-40 °C to +180 °C

Elongation at break

250 % according to ISO 8339

Application

Application Information

Curing Time

Approx. 2-3 mm in 24 hours at 23 °C and 50 % RH

Skin Time

Approx. 15-20 mins at 23 °C and 50 % RH
Application steps

APPLICATION INSTRUCTIONS

  • All surfaces to be sealed must be sound, clean and dry.
  • Fill deep gaps and voids with Everbuild® Expanding Foam, then trim back level with bath/shower tray before applying sealant.
  • When applying to plastic & acrylic baths, fill bath half full with water whilst sealing and during cure. This provides the mid point of any movement that will be encountered.
  • Always tool sealant down using a smoothing tool within 15 minutes of applying to ensure a proper bond is achieved.
  • Allow to cure for 24 hours before using bath or shower.
 

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