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Bund System

The Blocksil® Bund System utilises the many technical features and benefits of Blocksil® to address the specific challenges posed by the bunding of water, light acids and alkalis.

Secure

Blocksil® is used extensively for long term containment in compressor areas, water storage and light acid/alkali tanks. In the event of a main bund failure, it creates a secure holding area, retaining the liquid safely and securely, until it can be pumped out.

Highly Durable

Blocksil® is unaffected by UV, has excellent resistance to dilute acids and alkalis and is designed to be perfect for dense industrial areas where the air can be heavily contaminated. It is ten times more vapour permeable than most other high tech membranes and 100 times more than bitumen based products - yet fully water repellent.

Any Colour You Like

Available in a range of RAL colours, it is straightforward and safe to apply - only basic hand and eye protection are necessary - and dries to a "rain-free" stage in 3-4 hours (fully dry in 16 hours).

Technical Information

  • Recommended thickness:1mm for each of 2 coats
  • Coverage rate:2 litres per m2
  • Drying time:Rain free in 3-4 hours
  • Thinners / brush wash:Xylene
  • VOC content:VOC free
  • Application temperature:-5 to +60 degrees Celsius
  • Approvals:DIN EN ISO 7783-2 - Water vapour permeability
  • BS6920 - Test on effect of water quality
  • BS476 Part 3 1958 - Surface spread of flame

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