Stick IT 640

UltraFloor Stick IT 640 is a superior, water based acrylic polymer dispersion for use with vinyl, polyolefin and rubber floorcoverings. UltraFloor Stick IT 640 has a short time requirement for placement of floorcoverings due to rapid flash off, which provides high initial grab. UltraFloor Stick IT 640 is very low emission and odour neutral. It has a long open time and long final adhesion strength. Ideal for use with Underfloor Heating Systems and for fast and reliable floorcovering installation.

  • Very low emission, Emicode EC1 Plus
  • Short open time with extended working time
  • High initial wet grab
  • Place floorcovering into wet adhesive
  • Excellent coverage
  • High temperature resistance, suitable for use with underfloor heating systems
  • Full cure time 48 hours
  • Open time 120 minutes
  • Apply floorcovering 10 – 20 minutes
  • Application tool: A2 serrated adhesive trowel
  • Unit size: 12Kg
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All cementitious subfloors should be strong and stable with good tensile and compressive strength. Any weak layers in the subfloor and old material residues must be thoroughly and completely removed by mechanical means. Subfloors should be clean and dry, free from surface laitance, grease, dirt and other loose contaminants. All subfloors must contain an effective damp proof membrane or when absent consideration should be given to the use of a surface damp proof membrane to ensure the floor remains below 75% relative humidity following installation of any new floorcoverings.

Priming substrates is not normally required as long as thorough preparation is carried out, however, if the subfloor is highly absorbent it may cause rapid drying of the adhesive by suction and reduce adhesion strength to the floorcovering. In such instances it would be advisable to prime with an even coat of ULTRAFLOOR MSP Primer diluted 1:3 by volume with clean, cold water. This will maintain the curing properties of the adhesive and ensure coverages. Exception would be Calcium Sulphate / Anhydrite floors which need to be completely dry, free from grease stains, dirt, dust, surface laitance then primed with ULTRAFLOOR MSP Primer and allowing to cure.

Before applying ULTRAFLOOR STICK IT 640, if installing on to a fully impervious subfloor, apply a minimum 3mm layer of cementitious levelling compound and allow to cure before applying ULTRAFLOOR STICK IT 640.All ULTRAFLOOR Levelling Compounds are compatible with ULTRAFLOOR STICK IT 640, please see for leveller choice per specific installations. Additionally, if the subfloor is uneven this can be rectified by the use of a levelling compound from the above website and allowing to cure before applying adhesive.

Consistency: Viscous Liquid. Beige in Colour

Product Density: 1.27 kg/litre

Unit Size (Bucket): 12 kg (9.45 litres)

Application Tool: A2 serrated adhesive trowel

Coverage per sqm: A2 Trowel 225 – 275 g/sqm

Coverage per Unit: A2 Trowel 43.6 – 53.3 sqm/unit

Open Time: Approximately 120 mins*

Apply Floor Covering: Approx. 10 – 20mins*

Full Cure: 48hrs*

Room Temps: 18 – 23°C

Material & Subfloor Temps: 15 – 20°C

Room Relative Humidity: 40 – 80%

  • Very Low Emission, Emicode EC1PLUS
  • Short Open Time with Extended Working Time
  • High Initial Wet Grab
  • Place Floorcovering into Wet Adhesive
  • Excellent coverage
  • High Temperature Resistance, suitable for use with Underfloor Heating Systems

This product is not classified as hazardous. However it is good practise to follow safe handling when using all products. Avoid splashes to eye and skin by using appropriate PPE protection while preparing, mixing and applying products. Always wash hands before consuming food and make sure that materials are kept safely out of reach of children and animals. A full Material Safety Data Sheet (SDS) for this product is available

All Instarmac products are manufactured in a plant whose quality management system is certified/registered as being in conformity with BS EN ISO 9001, ISO 14001 and ISO 45001. Our products are guaranteed against defective materials and manufacture and will be replaced or money refunded if the goods do not comply with our promotional literature. We cannot however accept responsibility arising from application or use of our products because we have no direct or continuous control over where and how they are used. All products are sold to our conditions of sales, copies of which may be obtained upon request.


“After using this adhesive since early February when it launched I can highly recommend it. I find the working time as a HT brilliant!”

Stuart Bennett Flooring

Head Office

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UK Tel: +44 (0) 1827 254 400

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Irish Tel: +44 (0) 141 260 9053