Bostik
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Bostik Pure Silicone Sealant (H188 Buff)
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Bostik Pure Silicone Sealant (H188 Buff)
Bostik Pure Silicone Sealant offers superior elongation and flexibility for all your sealing needs!
Bostik Pure Silicone Sealant (H188 Buff)
Item #: 86230134

Bostik Pure Silicone Sealant (H188 Buff)

Item #: 86230134

BWP 428

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Monday, August 03
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Bostik Pure Silicone Sealant offers superior elongation and flexibility for all your sealing needs!
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What Stands Out

High Flexibility
Bostik Pure Silicone Sealant offers exceptional flexibility, allowing it to withstand movement and expansion in joints, ensuring lasting performance in dynamic applications.
Superior Adhesion
This sealant provides superior adhesion to various surfaces, including glass, metal, and ceramics, which minimizes the risk of peeling or cracking over time.
Mold Resistant
The formula is resistant to mold and mildew, making it ideal for humid environments while ensuring a clean and hygienic finish for bathroom and kitchen applications.

Product Details

Shop Bostik Pure Silicone Sealant (H188 Buff) online at a best price in Botswana. B07SXBT7QR
Item Weight0.95 lbs (430 grams)

Who Should Buy?

Suitable For
  • Home Renovators

    Ideal for sealing gaps and joints in bathrooms and kitchens, providing long-lasting water resistance and durability.

  • Professional Contractors

    Perfect for various construction applications, providing a flexible and strong bond suitable for a variety of materials.

  • DIY Enthusiasts

    Great for quick home improvement projects, allowing users to create effective seals around windows and doors easily.

Not Suitable For
  • Outdoor Use

    Not suitable for heavy outdoor exposure, as it may degrade or lose adhesion under extreme weather conditions.

Product Description

Bostik Pure Silicone Sealant (H188 Buff)

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Customer Questions & Answers

  • Question: What is Bostik Pure Silicone Sealant (H188 Buff) used for?

    Answer: Bostik Pure Silicone Sealant (H188 Buff) is ideal for sealing joints and gaps in various materials, providing excellent adhesion and flexibility. This product is perfect for use around bathroom fixtures, plumbing, and kitchen countertops. It offers a watertight and airtight seal, making it an essential tool for both DIY enthusiasts and professionals working on home improvement projects or repairs.
  • Question: How does Bostik Pure Silicone Sealant (H188 Buff) differ from regular silicone sealants?

    Answer: Bostik Pure Silicone Sealant (H188 Buff) is formulated to provide superior flexibility and durability compared to standard silicone sealants. Its unique properties allow it to withstand extreme temperatures and weather conditions, making it suitable for both indoor and outdoor applications. This sealant is specifically designed to resist mold and mildew growth, ensuring long-lasting performance while maintaining aesthetic appeal.
  • Question: Can Bostik Pure Silicone Sealant (H188 Buff) be painted over?

    Answer: No, Bostik Pure Silicone Sealant (H188 Buff) cannot be painted over effectively. Since it remains flexible, standard paint does not adhere well to its surface and may crack over time. It's best to select this sealant for applications where the finish will not require painting, such as sealing tiles, glass, or other surfaces where the silicone's color can complement the design.
  • Question: Is Bostik Pure Silicone Sealant (H188 Buff) safe for aquariums?

    Answer: Yes, Bostik Pure Silicone Sealant (H188 Buff) is safe for use in aquariums and fish tanks. Its non-toxic formula ensures that it does not release harmful chemicals into the water, making it suitable for securing seams and repairing leaks without harming aquatic life. Always allow the sealant to cure completely before reintroducing fish to the habitat.
  • Question: How long does it take for Bostik Pure Silicone Sealant (H188 Buff) to cure?

    Answer: Bostik Pure Silicone Sealant (H188 Buff) typically takes 24 hours to cure fully, depending on environmental conditions. Factors such as temperature and humidity can affect the curing time, so it’s best to work in a well-ventilated area and allow sufficient time for the sealant to achieve its maximum strength for optimal sealing performance.
  • Question: Can I use Bostik Pure Silicone Sealant (H188 Buff) on wood surfaces?

    Answer: Absolutely! Bostik Pure Silicone Sealant (H188 Buff) adheres well to various surfaces, including wood. It provides a flexible seal that accommodates the natural movement of wood due to humidity and temperature changes. This makes it an excellent choice for sealing gaps in wood fixtures or around window frames, ensuring a long-lasting and durable seal.
  • Question: Is Bostik Pure Silicone Sealant (H188 Buff) suitable for exterior use?

    Answer: Yes, Bostik Pure Silicone Sealant (H188 Buff) is designed for both interior and exterior applications. Its weather-resistant properties ensure that it can endure sun exposure, rain, and temperature fluctuations without losing its effectiveness. This makes it especially useful for outdoor projects such as sealing windows and doors, and protecting joints in outdoor structures.
  • Question: How do I apply Bostik Pure Silicone Sealant (H188 Buff)?

    Answer: To apply Bostik Pure Silicone Sealant (H188 Buff), ensure that the surface is clean and dry. Cut the nozzle to the desired bead size, and use a caulking gun for an even application. Press the gun's trigger steadily as you move along the joint, ensuring that the sealant fills the gap completely. After application, smooth the sealant with a wet finger or a tool for a neat finish.
  • Question: Can I use Bostik Pure Silicone Sealant (H188 Buff) for kitchen repairs?

    Answer: Yes, Bostik Pure Silicone Sealant (H188 Buff) is an excellent choice for kitchen repairs. Its waterproof nature and resistance to mold make it perfect for sealing around sinks, countertops, and backsplashes where water exposure is common. This sealant not only creates a protective barrier but also provides a clean and professional look to your kitchen.
  • Question: Where can I buy Bostik Pure Silicone Sealant (H188 Buff) in Botswana?

    Answer: You can purchase Bostik Pure Silicone Sealant (H188 Buff) conveniently on Ubuy. Ubuy offers a wide selection of construction and home improvement products, ensuring that you can easily find the Bostik sealant you need for your projects. With user-friendly navigation and detailed product descriptions, Ubuy makes it simple to find the right sealant for your requirements.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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BWP 428

Order now and get it around Monday, August 03

QTY:

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Fastest cross-border delivery

Features & Benefits

  • 100% silicone sealant for various substrates.
  • Superior elongation and flexibility for joints.
  • Suitable for interior and exterior applications.
  • Waterproof and permanently flexible.
  • Fast curing - take free in just 30 minutes.
  • Conforms to TCNA Handbook EJ171 standards.

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