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Soudal Silirub S sanitary silicone mould-resistant 300 ml

Description

Soudal Silirub S is an acetic-curing 1-component sanitary silicone for permanently elastic, waterproof joints in bathrooms, kitchens and sanitary areas. Thanks to its fungicidal treatment, the joint stays reliably protected from mould attack even in damp rooms.

Benefits at a glance

  • Fungicidal treatment against mould growth in wet areas
  • Wide range of adhesion on ceramics, enamel, porcelain and common substrates
  • Colour-fast and UV-resistant, no yellowing in sunlight
  • Fast curing with a skin-forming time of only approx. 7 minutes
  • Permanently elastic, water-resistant, temperature-resistant -60 °C to +120 °C

Areas of application

  • Joint sealing in bathrooms, showers, WC and kitchens
  • Sealing in cold rooms and container construction
  • Sealing of air circulation systems
  • Elastic alternative to acrylic where there is high permanent movement

Chemical and technical properties

Acetic-curing 1K silicone based on polysiloxane, density approx. 1.00 g/ml, Shore A hardness 20 ± 5. Tensile strength 1.5 N/mm² (ISO 37) at up to 700 % elongation at break. Skin-forming time approx. 7 minutes, through-curing approx. 2 mm/24 h. Complies with ISO 7389 (recovery > 90 %), ISO 11600 and SCAQMD 1168.

Application tips

Keep substrates sound, clean, dry and free of dust and grease – not on PVC, PE, PP, PTFE. Pre-clean smooth surfaces with Soudal Surface Activator, pre-treat porous substrates with Primer 150. Apply with a manual or compressed-air gun at 5 °C to 35 °C; smooth fresh joints with smoothing agent, remove residues with Soudal silicone remover.

Technical data

Area of use: Interior
Colour: white
Content: 300 ml
Material: Silicone
Pack size: 300 ml cartridge
Technical highlights: Heat-resistant bis 120°C, UV-resistant
Technical data
Product type: Sanitary silicone
Shore hardness: Shore A 20
Temperature resistance: up to 120 °C
Use
Field of use: Indoors
Merchandise group: Sealants
Application
Through-curing: 2 mm/24 h

Data sheets

Data sheets and documents

All documents come unchanged from the manufacturer.

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address Soudal N.V.
Everdongenlaan 18-20
2300 Turnhout
Belgium

Electronic address verkauf@soudal.com

All products by Soudal

Information as of: 2026-09-17

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For your project

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Project: Renew the silicone joint in the bathroom

Remove the old silicone completely, treat mould around the joint and let the joint dry. Then mask the joint edges, inject new sanitary silicone, pull it off with smoothing agent and joint smoother and remove the tape immediately.

  1. Prepare the surface

  2. Tools & accessories

  3. Finish & care

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