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Submitted by webmaster on 22 May 2024

Vetoseal XW771

Water-based silane-siloxane water repellent.

Vetoseal XW771 is a water-based silane-siloxane penetrating hydrophobic water repellent. It penetrates the cementitious or stone substrates; it reacts and works by increasing the surface tension of water to slide away from the surface. Vetoseal XW771 allows the substrate to breathe by allowing water vapor to escape the substrate and drastically reducing water absorption and resisting the ingress of chloride ions.

Uses

  • Transforming construction substrates to waterrepelling surfaces.
  • Cementitious substrates: block and brickwork, pre-cast panels, and plasters.
  • Sealing and treatment natural stone, marble, and absorbent tiles.
  • As a sealer for cementitious-based Vetotouch range of EIFS/ ETICS finishes.

Advantages

  • Single component fast easy application.
  • Cost-effective.
  • Easily penetrates substrates.
  • Nonstaining.
  • Reduces water and chloride intrusion.
  • Increases freeze-thaw resistance.
  • Minimizes efflorescence.
  • Allows water vapor to escape from the structure and resistant to atmospheric contaminants.

Usage Instructions

Surfaces to be treated with Vetoseal XW771 must be structurally sound and free from loose materials, grease, oils, or other contaminants. If such contamination is present, it is recommended to remove these by grit blasting and using an industrial chemical degreaser. Repair cracks or holes using a recommended Saveto repair material; allow it to cure before proceeding.

Apply Vetoseal XW771 as a continuous flood coat using either a soft brush or low-pressure spray equipment at the correct coverage rate. Two to three flood coats are recommended for best performance with 4 to 6 hours between coats (4 - 6 m2 / Liter).

Clean equipment and tools using Vetonit Solvent XX400 immediately after use. If residual material exists or hardens, mechanical means such as wire brush would be required to remove residue.

1. Water Pressure Testing: Vetoseal XW771 cannot undergo high-water pressure testing. Instead, it is recommended to apply it manually or using a garden spray for testing purposes. 

2. Factors Affecting Performance: The performance of Vetoseal XW771 may be influenced by the following factors:

  • Erosion, Sandstorms, and Heavy Storms: Exposure to these environmental conditions can have an impact on the performance of the product. 
  • Friction: Friction can affect the effectiveness of Vetoseal XW771. Care should be taken to minimize friction during application and subsequent usage. 
  • Vibration: Vibrations can lead to the development of micro cracks in the substrate, which might compromise the performance of Vetoseal XW771. 
  • Impact Forces: Any accidents or incidents that result in impact forces on the substrate can also pose a risk to the performance of the product.

3. Waterproofing Capability: It’s important to note that Vetoseal XW771 is not a waterproofing membrane designed to withstand hydrostatic pressure. As such, it is recommended for applications where hydrostatic pressure is not a concern.

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