Soudal Silirub N - Neutral Cure Building Silicone Sealant (300ml)

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Silicone sealants are essential for achieving reliable and long-lasting sealing solutions in numerous applications. When it comes to high-quality silicone sealants, Silirub N by Soudal is a top choice. With its exceptional adhesion, durability, and versatility, Silirub N is trusted by professionals across industries. 

Soudal Silirub N - Neutral Cure Building Silicone

Sold in Singles - (Boxed in 24s)

Colours: Brilliant White, Clear, Black, RAL 9001, RAL 7016, RAL 7015, Caramel, and Chartwell Green

Available on Request: Teak, Brown, Bronze, Grey, RAL 7038

Key Features of Silirub N:

  1. Outstanding Adhesion: Silirub N boasts excellent adhesion to a wide range of surfaces, including glass, ceramics, metals, and most plastics. This feature ensures a secure and long-lasting bond, minimizing the risk of leaks and gaps.

  2. Weather and UV Resistance: Silirub N is specially formulated to withstand extreme weather conditions, including temperature fluctuations, moisture, and UV radiation. This property makes it ideal for both interior and exterior applications, ensuring consistent performance over time.

  3. Excellent Elasticity: The high elasticity of Silirub N allows for joint movement, accommodating structural shifts and preventing cracks. This flexibility makes it perfect for sealing applications that require a dynamic seal, such as expansion joints.

  4. Anti-Fungal Properties: Silirub N contains anti-fungal additives, providing protection against mold and mildew growth. This feature makes it suitable for applications in areas prone to high humidity, such as bathrooms, kitchens, and swimming pools.

  5. Wide Range of Colors: Silirub N is available in various colors, allowing you to choose the most suitable shade to match your project requirements. This aesthetic flexibility ensures a seamless integration with different surfaces and finishes.


Applications of Silirub N:

  1. Construction and Building: Silirub N is widely used in the construction industry for sealing expansion joints, window frames, door frames, facades, and other building components. Its weather resistance and excellent adhesion make it ideal for outdoor applications.

  2. Automotive and Transportation: Silirub N's durability and elasticity make it an excellent choice for sealing applications in the automotive and transportation sectors. It is commonly used for sealing windshields, windows, sunroofs, and other vehicle components.

  3. HVAC and Plumbing: Silirub N provides reliable sealing solutions for HVAC systems, plumbing fixtures, and sanitary installations. Its resistance to temperature changes, water, and chemicals ensures long-term performance and prevents leaks.

  4. DIY and Home Improvement: Silirub N is also suitable for DIY enthusiasts and homeowners who require a high-quality sealant for various projects around the house. Whether it's sealing gaps around windows, repairing fixtures, or preventing water penetration, Silirub N delivers dependable results.


Silirub N by Soudal is a premium silicone sealant that offers exceptional adhesion, durability, and versatility. Its outstanding features, such as weather resistance, elasticity, and anti-fungal properties, make it a reliable choice for a wide range of applications. From construction and automotive to HVAC and DIY projects, Silirub N ensures reliable sealing solutions that stand the test of time. Choose Silirub N for your next sealing project and experience the difference it makes.

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Brand Soudal


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Delivery & Returns

Delivery & Returns

Delivery Information - What does your delivery option mean?

All deliveries are subject to stock and availability.

UK Mainland

**Next Day Cut Off – subject to cleared payments and passing of payment security checks by 11am.

Orders processed after 11am using the next day service option cannot be guaranteed.

All UK Mainland orders qualify for FREE delivery* when you spend over £150 ex VAT. *Please note certain items do not qualify for free delivery. 

Consignments will be delivered using DX, DPD, APC, Hermes or direct from the supplier if stock is not readily available within our warehouse.

Please note that orders placed on a Friday after 11AM for next day delivery will be dispatched on the following Monday for delivery on Tuesday.

Orders placed prior to a Bank Holiday will be delivered two days after the Bank Holiday.

Delivery Options

Price (inc vat)


Next Day Delivery


Monday - Friday, excluding public holidays. Order before 11AM for delivery the next working day.

2-7 Working Day Delivery 


Monday - Friday, excluding public holidays. 

FREE Delivery over £180 (2-7 Working Days)


Monday - Friday, excluding public holidays.

Unfortunately, We Cannot Guarantee Next Working Day - you will be notified if we can't fulfill this. 

Outside UK Mainland (Including Ireland)

*Please note the following postcodes are classed as Non-Mainland UK or Remote / Rural delivery: AB, IV, KW, PA, PH, HS, KA, ZE, PO30-PO41, IM, JE, GY, BT, TR21-TR25.

Regardless of the order weight and quantity, the following locations incur a carriage charge of £24.99 INC VAT


It is advised you arrange your own courier collection from our warehouse. If you require assistance Dortech Direct can schedule a delivery for you. Prices are dependent on box quantity and order weight. Please call our sales team for a quotation on 0330 1281212.

Please Note

  • All available delivery options will be displayed at checkout / basket pages
  • Working days do not include Weekends or Bank holidays
  • For all enquiries ring 0330 1281212 / [email protected]

BACS & Purchase Orders

  • The delivery times & dates are only valid from receipt of funds or valid PO number


By ordering with Dortech Direct you agree to inspect goods upon delivery. Damaged goods should be rejected. If you notice damage after goods are delivered, you must report this to us within 48 hours of delivery. Dortech Direct does not accept damage liability for issues reported over 2 working days from the point of delivery.

You can report damage by sending your order details and images of any issues to [email protected]


If you need to return a product within 14 days, we are happy to refund the product provided it is returned, as sold, with all the original packaging, tags, labels and accessories.

Prior to returning any goods for any reason, please fill in the Returns Form and put it in your package that you are returning. 



Is there a re-stocking fee?

Please note some orders are subject to up to a 35% restocking fee. While every effort will be made to avoid this charge in some cases it is un-avoidable.This charge represents the administrative time and overheads to reprocess the stock. 

I've sent my package, how long will the refund take?

We aim to make the returns process as quick as possible, but please allow up to 14 days for your refund to be processed. If you haven't received any information after this time, please get in touch with one of our team.