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Bona U340 is a Polyester fibre board underlay (4mm) that reduces the stress transferred to the subfloor when installed prior to the final floor covering e.g. ceramic tiles, natural stone, wooden flooring etc.

KEY BENEFITS
• Reduces subfloor stress
• Bridges cracks /breaks in the subfloor
• Traffic load up to 5 kN/m²
• DIBt approval

AVAILABLE SIZES
  • 4mm - 1 x 0,6m
  • 9mm - 1 x 0,6m
AVAILABLE SIZES
  • 4mm - 1 x 0,6m
  • 9mm - 1 x 0,6m