Soudal Silirub 2 S Neutral Low Modulus Fungicidal Silicone Sealant Suitable for Bathroom Kitchen Cold Room and areas of food contact.
Available Colours:
Aluminium White, Bahama Beige, Brilliant, Clear, Concrete Grey, Cream White, Grey, Grey White,
Jasmine, Light Grey, Light Ivory, silver grey, transparent grey and White.
On Screen Colour Selections are for guidance purposes as different screens can portray colours differently.
Overview:
Soudal Silirub 2S is a premium neutral cure, low modulus silicone sealant made from 100% pure silicone, designed for professional-grade sealing where hygiene, flexibility and long-term durability matter. It’s formulated with a fungicidal biocide to help prevent black mould growth in wet and humid environments, making it ideal for bathrooms, showers, kitchens, wet rooms, cold rooms and clean rooms.
With fast skinning, a thick-bodied consistency for confident tooling, and no shrinkage on cure, Silirub 2S delivers a permanently flexible, waterproof seal that stands up to everyday cleaning, temperature changes and harsh conditions. It also offers strong primerless adhesion to many common construction materials, making it a dependable “go-to” silicone for a wide range of building and maintenance applications.
Key Features
Neutral cure, low modulus silicone for flexible building joints
Fungicidal formulation helps resist mould and mildew in humid areas
Fast skinning and cure for quicker finishing and turnaround
No shrinkage for a reliable, neat-looking joint
Thick-bodied consistency for controlled application and clean tooling
Primerless adhesion to many common construction materials (surface dependent)
Durable, waterproof seal for interior and exterior sealing
Available in 14 colour options to match common finishes
Resistant To
Ageing and weathering
UV exposure
Rain and snow
High and low temperatures
Fungal and mould growth (fungicidal action)
Typical Surfaces (surface dependent)
Glass
PVCu and many plastics
Masonry
Metals
Treated wood
Important Use Note
Not for use on natural stone.
Applications
Sanitary sealing in bathrooms, showers, wet rooms and kitchens
Sealing joints around sinks, worktops, splashbacks and sanitaryware
Sealing window and door frames and general building joints
Expansion and movement joints where flexibility is required
Sealing joints in air conditioning and ventilation applications
Use in cold rooms, clean rooms and other hygiene-sensitive environments
Available Colours / Codes
Aluminium White – 104205
Bahama Beige – 105753
Brilliant White – 107544
Clear – 101990
Concrete Grey – 116521
Cream White – 105665
Grey – 104846
Grey White – 105549
Jasmine – 102772
Light Grey – 102307
Light Ivory – 103734
Silver Grey – 109034
Transparent Grey – 105758
White – 101989
How to Use
Ensure surfaces are clean, dry and free from dust, grease and old sealant
Mask edges for a sharper finish if required
Cut nozzle to suit bead size and apply an even bead with steady pressure
Tool immediately for a smooth finish using a profiling tool
Allow to cure fully before heavy water exposure or cleaning
Soudal Silirub 2S – Key FAQs
Is Silirub 2S neutral cure?
Yes, it’s a neutral cure silicone, making it suitable for many construction materials and general sealing jobs.
Is it mould resistant?
Yes, it includes a fungicidal biocide designed to help prevent black mould growth in damp, humid areas.
Where is it most commonly used?
Bathrooms, showers, wet rooms, kitchens, cold/clean rooms, and general building joints such as frames and movement joints.
Does it need primer?
It offers primerless adhesion on many common substrates, though adhesion can vary testing is recommended for unusual surfaces.
Can I use it on natural stone?
No not recommended for natural stone. Use a stone-safe silicone instead.
Are screen colours accurate?
Screen colour swatches are a guide only different displays can show colours differently.
| Data | |
| Manufacturer | Soudal |
| Reference Code | 104205 105753 107544 101990 116521 105665 104846 105549 102772 102307 103734 109034 105758 101989 |
| Type | Sanitary Bathroom food grade neutral silicone sealant |
| Size | 300ml |
| Colour | white Aluminium White RAL 9006 bahama beige brilliant white clear concrete grey Cream White RAL 9001 grey Grey White RAL 9002 jasmine Light Grey RAL 7038 Light Ivory RAL 1015 silver grey transparent grey white |
| Name | Link |
|---|---|
| Soudal Silirub 2 S Sanitary Silicone Sealant Declaration Of Performance | Download Attachment |
| Soudal Silirub 2 S Sanitary Silicone Sealant Safety Data Sheet | Download Attachment |
| Soudal Silirub 2 S Sanitary Silicone Sealant Technical Data Sheet | Download Attachment |