Answers to some frequently asked questions (FAQs) and suggestions for tackling some common problems.
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- Ensure that the moisture content of the concrete does not exceed the floorcovering manufacturers’ recommendations. If it does see ‘Wet Concrete’ in this section.Ensure the surface is clean. Check that no curing agent was applied.Repair any damaged concrete using either Bostik Niboplan ST400 or Ardurapid 45 Repair mortar.Prime using Nibogrund G17 or Ardex P51 primer diluted 1 to 3 parts of water.Level the floor using levelling compound to a depth of at least 3mm.
- Make sure that the moisture content of the concrete complies with the floor covering manufacturers’ recommendations. If not see ‘Wet Concrete’ in this section.Mechanically shot blast to expose a clean, sound surface.
Repair any damaged concrete using Niboplan ST400 or Ardurapid 45 Repair mortar.
Prime using Nibogrund G17 or Ardex P51 primer diluted 1 to 3 parts of water.
Level the floor using levelling compound to a depth of at least 3mm.
- Mechanically prepare the concrete substrate by either shot blasting or scabbling. Repair any damaged areas using Ardurit S21 Repair mortar.When the surface is dry apply Durabond Epoxy Waterproofer with a fine toothed trowel and smooth with a thin fleece roller which should be moistened with some of the epoxy waterproofer. Allow cure for at least 12 hours.
- Prime using a two-part neoprene primer and apply levelling compound to a depth of 2-3mm.