Description
The Mapei Ultrabond Eco S955 1K is a one-component, solvent-free, (according to TRGS 610) sililated polymer-based adhesive with a very low emission level of volatile organic compounds (EMICODE EC1 Plus), for bonding solid wooden floors or pre-finished multi-layered wooden floors of all types and formats.
Mapei Ultrabond Eco S955 1K is supplied in 15kg tubs.
Mapei Ultrabond Eco S955 1K is used for bonding pre-finished wooden floors, laminated parquet, slats, floor-boards and all types of parquet on: cementitious screeds, screeds made using Mapecem, Mapecem Pronto, Topcem, Topcem Pronto and similar products, old wooden floors, ceramic, marble, terrazzo, etc. and anhydrite screeds. It is also suitable for heated substrates.
Mapei Ultrabond Eco S955 1K is a one-component, ready-to-use product; no catalyser is required, therefore no mixing. If stored correctly, remaining quantities of the product may be used again at a later date. It is also GEV certified, as a product with a very low emission level of volatile organic compounds (EMICODE EC1 Plus).
Mapei Ultrabond Eco S955 1K is compatible with Ultracoat water based varnishes and bases and the oils from the Ultracoat range, and is easy to apply with excellent ridge holding. It features up to 20-30% more yield compared with conventional two-component adhesives, thanks to its low viscosity and free-flowing properties when applied by trowel. It is also totally free of solvents (according to TRGS 610) and 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, such as Eco Prim PU 1K, Primer MF, etc.
- If there is a risk of rising damp, a vapour barrier must be installed before laying the screed.
- Do not use Mapei 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.
Preparation of the substrate:
- 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, such as Eco Prim PU 1K, Primer MF, Primer EP, Primer PU60, Triblock P, etc. Cracks in the substrate must be repaired beforehand with a product such as Eporip, Eporip Turbo, Epojet, etc.
For installation on surfaces with traces of glue or old existing smoothing compounds, or for substrates in wood marine plywood, chipboard, ceramic or natural stone, use Eco Prim T, Eco Prim T Plus, Eco Prim VG.
Excessively rough or uneven surfaces should be levelled before using a smoothing compound with high mechanical properties, such as Fiberplan, Ultraplan, Ultraplan Maxi, Nivorapid, etc., chosen according to the thickness to be installed. Mapei Ultrabond Eco S955 1K can then be used once it has cured (see the relevant product technical data sheet). To install rapid-drying, controlled shrinkage screeds, use a special MAPEI hydraulic binder: Mapecem, which allows for installation after 24 hours, or Topcem for installation after 4 days. Topcem Pronto or 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. Mapei Ultrabond Eco S955 1K 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 bear wood, and remove all dust. Mapei Ultrabond Eco S955 1K 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 prior to using Mapei Ultrabond Eco S955 1K.
Spreading the adhesive:
Spread Mapei Ultrabond Eco S955 1K 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.
Set to light foot traffic:
Floors may be walked on after approximately 12 hours.
Consumption:
Mapei Ultrabond Eco S955 1K has a consumption rate of 800-1200 g/m².
Technical Data:
Consistency: creamy paste
Colour: beige or brown
Density (g/cm³): 1.60
Dry solids content (%): 100
Brookfield viscosity (mPa·s): 37,000 (rotor 7 – 50 rpm)
Recommended application temperature range: from +10°C to +35°C
Open time (formation of surface skin): 50-60 mins
Adjustment time: 1 hour and 45 minutes-2 hours
Set to light foot traffic: approx. 12 hours
Polishing: after 3 days
In service temperature range: from -20°C to +80°C
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