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• Features & Benefits
• Recommendations
• Application
• Storage and Safety Instructions

Features & Benefits

• Ultrabond Eco S955 1K is a one-component, silylated polymer-based adhesive without water, solvents (according to TRGS 610), with a very low emission level of volatile organic compounds (EMICODE EC1 Plus)
• Used for bonding pre-finished wooden floors, lamparquet, slats, floor-boards and all types of parquet on: cementitious screeds, old wooden floors, ceramic, marble, terrazzo, etc. and anhydrite screeds.
• Manufactured according to a technology developed in Mapei’s own research laboratories
• If stored correctly, remaining quantities of the product may be used again at a later date
• Compatible with Ultracoat water based varnishes and bases and the oils from the Ultracoat range
• No hazard or risk statements or symbols
• 20-30% more yield compared with conventional two-component adhesives, thanks to its low viscosity and free-flowing properties when applied by trowel
• Totally free of solvents (according to TRGS 610)
• Easy to remove from pre-finished elements

Recommendations

• Before installation starts, doors and windows should be installed
• The humidity level in the screed must be compliant with that prescribed by the current standards for the installation of wood, and as indicated in the technical data sheet for the parquet
• If the substrate is not thoroughly dried, or if the residual humidity is higher than the level prescribed, we recommend the use of a suitable waterproofing primer
• If there is a risk of rising damp, a vapour barrier must be installed before laying the screed
• Do not use Ultrabond Eco S955 1K if the temperature is lower than +10°C or higher than +35°C
• When transported over long distances, thermally insulated containers may be required

Application

Preparation of the substrate:

The substrate must be checked carefully to assess its condition, and to prepare it for laying parquet.

• Cementitious screeds:
  • Must be well cured, dry, flat and mechanically strong
  • The surface must be free of dust, loose parts, oil, paint, etc
  • The level of humidity in the screed must be measured using a carbide hygrometer
  • To solve problems of residual humidity levels higher than those prescribed for laying, wait until the screed is dry, or apply a suitable waterproofing primer
  • Cracks in the substrate must be repaired beforehand
  • Excessively rough or uneven surfaces should be levelled using a smoothing compound with high mechanical properties chosen according to the thickness to be installed
  • Installation may be carried out once it has cured (see the Technical Data Sheet in 'Data Sheets' section above)
  • To install rapid-drying, controlled-shrinkage screeds, use a special Mapei hydraulic binder
  • Mapei Topcem Pronto or Mapei Mapecem Pronto pre-blended, ready-to-use mortar may be used as an alternative, wood may be laid after 4 days and 24 hours, respectively
  • In the presence of lightweight layers or insulation, or in the case of screeds installed directly on the ground, a vapour barrier must be installed to avoid rising damp
• Old floors in ceramic, marble, etc:
  • Must be carefully cleaned and degreased before bonding
  • The adhesive may only be applied once the surface is dry
• Wooden floors: 
  • Make sure wooden floorboards are rigidly fixed to the substrate
  • Remove old paint or wax with sandpaper down to the bare wood, and remove all dust
  • The adhesive may then be applied
• Anhydrite substrates:
  • Check and follow the instructions of the manufacturer of the screed
  • Always check if the screed should be sanded and primed
  • Mapei recommends sanding and priming with Eco Prim PU 1K, Eco Prim PU 1K Turbo, Primer MF and Primer MF EC Plus

Spreading the adhesive:

• Spread the adhesive on the substrate using a Mapei notched trowel for wood
• Wood has to be laid within approximately 50-60 minutes under normal temperature conditions (at +23°C and 50% R.H.)
• If left-over adhesive from previous applications is to be used, open the drum, remove the skin formed on the surface of the adhesive and proceed as above
• The layer of skin helps to preserve the left-over adhesive

Polishing:

• The floor may be polished after 3 days
• Residual adhesive on the surface of the floor may be easily removed by using a specialist solvent cleaner

Cleaning:

• Ultrabond Eco S955 1K may be removed using special cleaning solutions while still fresh
• Once hardened, it must be removed mechanically or with a specialist solvent cleaner

Storage and Safety Instructions

• 12 months in its original, well-sealed container stored under normal conditions
• Instructions for the safe use of our products can be found on the latest version of the Safety Data Sheet (see 'Data Sheets' tab above)