Bona Gap Master 310 ml

Bona Gap Master 310 ml

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Bona Gap Master

Bona Gap Master is a silicon-free, acrylic-based mastic for sealing gaps towards skirting boards and thresholds. The mastic is available in 15 different colours and can be finished with all Bona lacquers when dry. Its material is permanently elastic (15 % maximum movement tolerance), and it is solvent-free and odourless. It can also be used to repair damages and fill gaps and cracks in a wood floor.


Permanently elastic
High bonding strength
Maintain with polish

  • Silicon-free, acrylic based mastic for sealing gaps towards skirting boards and thresholds in connection to wooden floors
  • Available in 15 different colours
  • Can be varnished with all Bona parquet finishes when dry
  • Permanently elastic (15 % maximum movement tolerance)
  • Solvent free and odourless
  • Permanently elastic
  • Solvent, isocyanate, and silicon free
  • Odourless
  • Excellent self-a and side bonding
  • High initial and final bonding strength
  • Coat with all Bona finishes

Bona Gap Master 310 ml.

Technical data include:

  • Product Type: Permanent acryl mastic
  • Maximum movement tolerance: 15 %
  • Application temperature: Min. +5 to max. +35°C (sealant and substrate)
  • Density (DIN EN ISO 2811-1): 1,57 ± 0,05 g/cm³
  • Skin forming time (23°C/50% rH): approx. 10 min
  • Consumption: 310 ml of sealant is sufficient for about 12 running meters of joints measuring 5 x 5 mm or about 3 running meters of joints measuring 10 x 10 mm
  • Drying time: Ca. 18-24 hrs. at 23°C /50 % rH (The product cures by means of desiccation.) High humidity, low temperature and joint depth above 15 mm can delay skin formation and curing significantly
  • Tools: Manual, battery-powered or pneumatic caulking gun
  • Shelf life: 2 years from date of production in unopened original cartridge
  • Storage/transport: The temperature must not fall below +5°C or exceed +40°C during storage and transport
  • Disposal: Wastes and emptied containers should be handled in accordance with local regulations
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