Bitumer Flexigum HydroBLOCK

Flexigum HydroBLOCK

bitumen hot melt adhesive

Introducing a high-quality polymer-bitumen waterproofing membrane, expertly designed for a wide range of applications.

Bitumer HydroBLOCK hot-applied membrane is perfect for:

  •  Waterproofing flat roofs and roof decks against water ingress, providing exceptional protection and longevity.
  • Adhering traditional asphalt roofing felts with cardboard or glass fiber substrates to previously primed surfaces, ensuring a strong and durable bond.
  • Serving as an excellent adhesive for bonding individual layers of roofing felt in multi-layered roofing systems, creating a seamless and reliable waterproof barrier.
  • Offering a solvent-free bitumen structure, which significantly reduces bonding time and enhances the overall efficiency of the installation process.
  • Executing moisture-resistant insulation on building exteriors, preventing water damage and maintaining the structural integrity of the building.
  • Creating long-lasting, seamless waterproofing for roofs and roof decks, ensuring optimal performance and durability.

Choose our polymer-bitumen waterproofing membrane Bitumer HydroBLOCK for exceptional protection, easy application, and reliable, long-term results in all your waterproofing projects.

Contact us now!

Phone: +48 793 707 350

Bitumen Hot Melt Adhesives (BHMA) are an indispensable part of modern construction, offering a wide range of benefits and applications. These adhesives have become increasingly popular due to their unique properties, which provide superior bonding, durability, and water resistance. This article explores the properties of BHMA and its various applications in the construction industry.

Properties of Bitumen Hot Melt Adhesives

  1. High Bonding Strength: BHMA has exceptional bonding strength, enabling it to form a strong and lasting bond between different construction materials such as concrete, steel, wood, and insulation materials. The high bonding strength is achieved through its ability to penetrate the pores and irregularities of the surface, ensuring a secure and durable connection.
  2. Water Resistance: One of the most sought-after properties of BHMA is its excellent water resistance. The adhesive forms an impermeable barrier that prevents water ingress, making it an ideal solution for sealing joints and waterproofing applications in construction projects.
  3. Temperature Resistance: BHMA maintains its adhesive properties over a wide range of temperatures, from freezing conditions to extreme heat. This temperature resistance ensures that the adhesive bond remains intact and functional under various climatic conditions.
  4. Flexibility: Unlike some other adhesives, BHMA retains its flexibility even after curing, allowing it to accommodate movement and stress within the bonded materials. This flexibility reduces the likelihood of bond failure due to thermal expansion, contraction, or other structural movements.
  5. Easy Application: BHMA is available in a range of formats, such as solid blocks, granules, or pastes, making it easy to apply using different methods. The adhesive can be applied using a hot melt applicator, trowel, or even a spray system, depending on the specific requirements of the project.
  6. Fast Setting Time: BHMA has a relatively fast setting time, which allows for quick and efficient bonding of materials. This is especially beneficial in time-sensitive construction projects, as it helps to reduce downtime and improve overall productivity.

Applications of Bitumen Hot Melt Adhesives in Construction

  1. Roofing: BHMA is widely used in roofing applications, as it provides excellent bonding strength and water resistance. It can be used to bond roofing materials such as shingles, tiles, or membranes, as well as to seal and waterproof roof penetrations, joints, and seams.
  2. Waterproofing: BHMA is commonly used for waterproofing purposes in construction projects, such as sealing concrete joints, foundation walls, and basements. Its water-resistant properties make it an ideal solution for protecting structures from water damage and ensuring a long-lasting bond.
  3. Insulation: BHMA is used for bonding various insulation materials, including foam boards, mineral wool, and fiberglass. Its high bonding strength ensures a secure connection between the insulation material and the building structure, improving overall energy efficiency.
  4. Bridge Construction: The adhesive properties of BHMA make it suitable for use in bridge construction, where it can be used to bond steel, concrete, or composite materials. This ensures a strong and durable connection between different components of the bridge, improving overall structural integrity.
  5. Flooring: BHMA can be used to bond and seal floor coverings, such as vinyl, linoleum, or carpet, to the underlying substrate. Its flexibility and durability make it a suitable choice for high-traffic areas, ensuring a long-lasting and secure bond.


Bitumen Hot Melt Adhesives offer numerous advantages in the construction industry, thanks to their unique combination of properties, such as high bonding strength, water resistance, and flexibility. Their versatility makes them suitable for various applications, ranging from roofing and waterproofing to insulation and bridge construction. Asa result, BHMA has become a preferred choice for many construction professionals who seek efficient, durable, and versatile adhesive solutions for their projects. The continued innovation in the formulation and application of BHMA will undoubtedly contribute to the development of more sustainable and resilient structures in the future. By understanding the properties and applications of BHMA, construction professionals can optimize their projects and ensure long-lasting performance in various challenging environments.