Written by

Danny Neill

Soudal Silicone Sealant: FAQ's & Answers

Soudal Silicone are a range of highly reliable and durable sealants that have a wide range of uses across various industries and DIY projects.

If you're looking for a high-quality sealant to use in your home or workplace, then Soudal Silicone is an excellent choice.

In this article, we will discuss the 20 most frequently asked questions on Google about Soudal Silicone Sealant.


Q1. What is Soudal Silicone, and what is it used for?

Soudal Silicone is a durable and reliable sealant that can be used in a wide range of applications. It is used to provide a waterproof and airtight seal between surfaces, making it ideal for use in plumbing, construction, and other DIY projects.


Q2. How long does Soudal Silicone take to cure?

The curing time for Soudal Silicone can vary depending on several factors such as temperature, humidity, and thickness of the application. Typically, it takes around 24 hours to cure fully.


Q3. What are the different types of Soudal Silicone available?

There are many different types of Soudal Silicone available. Our range includes Silirub 2 (a Neutral Cure 100% Pure Silicone Sealant), Silirub LMN (High Quality Neutral Cure Silicone), Silirub A (General Purpose Acetoxy Cure Silicone), and Soudal Multi-Purpose Silicone (a low-cost Acetoxy Cure Silicone Sealant).


Q4. What surfaces can Soudal Silicone be applied to?

Soudal Silicone can be applied to a wide range of surfaces, including metal, glass, plastic, ceramic, and various other construction materials.


Q5. Is Soudal Silicone resistant to water and high temperatures?

Yes, once cured Soudal Silicone is highly resistant to water and can withstand high temperatures, making it ideal for use in applications that require exposure to heat and moisture. Please note though, that any Silicone-Based Sealant SHOULD NOT be 'applied' underwater or on damp surfaces.


Q6. How can I apply Soudal Silicone evenly without making a mess?

To apply Soudal Silicone evenly, you can use a High Quality Caulking Gun and apply steady pressure to distribute the sealant evenly over the surface. Additionally, you can use masking tape at each side of the joint to achieve a neat finish. Moisten the surface before tooling. And finally, tool over either with a putty knife or use the Soudaglatt Flexible Smoothing Tool.


Q7. How long can Soudal Silicone last once applied?

The lifespan of Soudal Silicone can vary depending on the type of silicone used, the application, and the environmental conditions it is exposed to.


Q8. Is it safe to use Soudal Silicone indoors?

Yes, Soudal Silicone is safe to use indoors, as it is non-toxic and does not emit any harmful fumes once it has cured. However, a Neutral Cure Silicone is recommended for indoor use (as opposed to an Acetoxy Cure Silicone) because it doesn't emit strong, acidic odors when curing, making it a better choice for applications in confined or sensitive environments. Acetoxy cure silicone, on the other hand, releases a strong, vinegar-like smell that can cause discomfort or allergic reactions to some people.


Q9. Can Soudal Silicone be painted over, and if so, how long after application?

No, Soudal Silicone Sealant cannot be painted over. Instead, a Hybrid Sealant or Acrylic Sealant may be more suited if painting over is required.


Q10. Is Soudal Silicone suitable for bonding different materials together?

Silicone can be utilised to bond some lightweight materials like glass, plastics, and wood, but we would suggest using a dedicated adhesive. The intended use of silicone is more towards sealing, and though it can offer momentary adhesion, it's not a perfect choice for permanent bonding. For best outcomes and to achieve long-lasting bond strength, we recommend utilising a specialised adhesive suitable for your project's specific requirements.


Q11. Can I use Soudal Silicone to seal around bathtub and shower enclosures?

Yes, Soudal Silicone is ideal for sealing bathtubs and showers, but you must use a high quality anti-mould silicone, such as Soudal Stay Fresh NEUTRAL, to prevent black mould from forming. Standard silicone isn't resistant to water and moisture and doesn't contain a fungicide that prevents mould growth. A high-quality anti-mould silicone will seal your bathtub or shower for an extended period and prevent the growth of black mould - a health hazard in itself.


Q12. What is the ideal temperature and humidity level for applying Soudal Silicone?

The ideal temperature and humidity levels for applying Soudal Silicone is between 10-25°C and 40-50% Relative Humidity respectively.


Q13. Can Soudal Silicone be used for sealing electrical outlets and fixtures?

Yes, Soudal Silicone is suitable for sealing electrical outlets and fixtures, as it is non-conductive and provides a waterproof seal.


Q14. How often should I reapply Soudal Silicone in high traffic areas?

Due to the high levels of use, high traffic areas may require reapplication of Soudal Silicone every six months to a year.


Q15. Can Soudal Silicone withstand exposure to UV rays?

Yes, Soudal Silicone is highly resistant to UV rays and can withstand exposure to direct sunlight.


Q16. Is Soudal Silicone resistant to mold and mildew growth?

Ensuring that the silicone sealant has anti-mould properties is essential for mould resistance over time, this would be the case with all Silicone Sealants including Soudal Silicone Sealants.


Q17. Can Soudal Silicone be removed easily if necessary?

Soudal Silicone can be removed with the help of a Silicone Remover and / or a knife.


Q18. How does Soudal Silicone compare to other silicone brand options on the market?

Soudal is widely regarded as one of the best Silicone sealant brands in the industry due to its quality and reliability.


Q19. Are there safety precautions I should take when using Soudal Silicone?

Some types of silicone sealants, including Soudal Silicone, may contain chemicals that can be harmful if ingested or swallowed, so it is essential to follow proper safety measures. Users should wear PPE, such as gloves, goggles, and protective clothing when using silicone sealants.


Q20. Can Soudal Silicone be used on vertical surfaces without sagging or running?

Soudal Silicone is designed to be applied on any surface, including vertical surfaces, without sagging or running. Its high viscosity means it should not run, therefore will suit any vertical requirements.



In conclusion, Soudal Silicone is an excellent choice for anyone in need of a reliable and durable sealant.

We have answered the most frequently asked questions in this article, but if you want more or browse the range, check out our Soudal Hub Page or visit our website's Soudal Sealants Page.

Our products are of the highest quality, and we are confident that you will be satisfied with your purchase. So why not buy from our website today? We offer competitive prices, fast shipping, and exceptional customer service.

Keep reading our blogs for more information and expert advice on sealants and adhesives.



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