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Kerakoll Proflow Rapid – Pallet Deals and Bulk Buy


Kerakoll Proflow Rapid

Ultra‑rapid setting double component smoothing compound. Fast track substrate preparation before laying resilient flooring.

Proflow Rapid’s next generation formulation is perfect for fast track installations when rooms or access need to be restored to functionality quickly. Kerakoll Proflow Rapid is a real ultra-rapid setting smoothing compound that can be applied in just 60 minutes and has a walk-on time of 30 minutes. Its free-flowing qualities and moisture-tolerant capabilities leave a perfect surface finish.

  • Next generation moisture tolerant formulation
  • Flawless surface finish
  • Ultra‑rapid setting allows foot traffic after just 30 minutes
  • Install resilient floor coverings after just 60 minutes
  • Moisture tolerant ‑ can be used below DPM
  • Formulated with high‑performance raw materials with low environmental impact
  • Suitable for installing any type of resilient floor covering
  • Apply by hand trowel, cam rake or pin level
  • Greenbuilding rating: 4
  • Unit size: 20Kg bag and 5L bottle

Need a bespoke deal or spotted a pallet deal cheaper than ours? We can usually beat it! 0333 344 2655 or info@buythepallet.co.uk

~ FREE FAST 24-48HRS DELIVERY on BAL, MAPEI, ARDEX, KERAKOLL: If ordered before 12pm ~

Kerakoll Proflow Rapid extended information

Coverage: ≈ 1.481 kg/m2 per mm of thickness

Areas of Application

Intended use
Self-smoothing adjustment of irregular and uneven substrates, with ultra-rapid setting and drying, compensated shrinkage. Thicknesses from 3 to 12 mm.
Compatible adhesives:

  • single and double component organic adhesives for installing resilient floor coverings

Covering materials:

  • LVT and design flooring
  • vinyl, sheet vinyl and safety flooring
  • mosaic tiles
  • textiles, rubber, PVC, linoleum, carpet
  • raised floors


  • mineral screeds made with Keracem Eco as binder or pre-mixed product
  • cement-based screeds
  • calcium sulphate-based screeds
  • prefabricated concrete or fresh concrete castings
  • existing tiled floors
  • flooring grade plywood
  • flooring grade asphalt/bitumen
  • epoxy DPM

Internal floors in domestic, commercial and industrial applications.

Do not use in external applications or areas that are continually submerged.


Preparation of substrates

The substrate must comply with current British standards and industry regulations. In general, substrates must be free of dust, oil and grease, free from any moisture rising, with no loose, flaky or imperfectly anchored parts such as residues of cement, lime, paint coatings and adhesives, which must be completely removed. The substrate must be stable, without cracks and have a functioing DPM within the subfloor. If no DPM is present, a surface epoxy DPM must be applied before installing resilient floor coverings. Kerakoll Proflow Rapid can be used to pre-smooth the floor at 95% RH prior to installing a surface epoxy DPM.

In particular, substrates must be treated with a suitable primer as shown in the table:

Kerakoll Proflow Rapid – substrates
SubstratePrimersDilution with water
Cement-based screedsPrimeplusDiluted
Calcium sulphate- based screedsPrime+ GripNeat
Ceramic floors ceramic tilesPrime+ GripNeat
Flooring grade plywoodPrimeplusDiluted
Gypsum fibre or fibre-cement panelsPrimeplusDiluted
Metal substratesPrime+ GripNeat
Epoxy DPMPrime+ GripNeat
Flooring grade asphalt/bitumenPrime+ GripNeat

Instructions for use

Pour the pre-measured 4.5 l bottle of Proflow Rapid liquid into a clean container; then pour in a bag of Proflow Rapid, while shaking. Mix with a a mechanical mixer until a smooth, lump-free and smoothing mixture is achieved. Larger quantities of Kerakooll Proflow Rapid may be prepared in suitable mixers. After the first mixing, it is advisable to leave the mixture to rest for approx. 2 minutes and then mix again briefly. Proflow Rapid features a high degree of self-smoothing capacity. Adding extra water does not improve its workability, and may cause shrinkage in the plastic phase of drying and result in less effective final performance with a reduction in surface hardness, surface finish, compressive strength and adhesion to the substrate.

Proflow Rapid is generally applied with a flooring trowel, cam rake or pin level. The use of an aeration tool or spike roller can be used but is not required to further improve the surface finish of Proflow Rapid, but will work to remove entrapped air from the mixture. If an additional application of Kerakoll Proflow Rapid is required once the initial application has been completed, the first installation layer must first be hardened and ready to accept foot traffic and additional application, this is generally after 60 minutes. The initial layer of Proflow Rapid must be primed with a neat coat of Prime+ Grip prior to subsequent applications. In the case of low temperatures and high humidity it is advisable to keep the environment ventilated during application and during the hours immediately following application, in order to avoid the formation of condensation on the surface of the smoothing compound during the setting phase.

Residual traces of Proflow Rapid can be removed from tools using water before the product hardens.

Extra Notes:

Joints: perimeter expansion must be allowed for in the application of self smoothing compounds. Perimiter expansion edging strip must be installed along the whole perimeter of the room, on the walls and on any other vertical elements protruding from the substrate/subfloor. Large and continuous surface areas need to be broken into bays as soon as they can withstand foot traffic so to create areas < 100 m2 with 10 m maximum individual length. All movement or expansion joints located in the substrate must be honoured.

Kerakoll Proflow Rapid technical data

Appearancegrey pre-mixed
Apparent volumetric mass≈ 1.13 g/dm3
Mineralogical nature of inert materialsilicate - crystalline carbonate
Grading0-600 μm
Shelf life≈ 12 months from production in the original sealed packaging, protect from humidity
Mixing water≈ 5.0 l bottle / 1 bag 20 kg
Specific weight of the mixture≈ 2.02 g/dm3 ( UNI 7121 )
Self levelling time≈ 10 min.
Temperature range for applicationfrom +5 °C to +30 °C
Maximum thicknessfrom 3 to 15 mm
Foot traffic≈ 30 min.
Waiting time before laying:
- LVT, vinyl, sheet vinyl, safety flooring and all other resilient floor coverings≈ 60 min.
- resins and paints≈ 12 hrs
Coverage≈ 1.481 kg/m2 per mm of thickness

VOC Indoor Air Quality (IAQ) – Volatile organic compound emissions

ConformityEC 1 GEV-EmicodeGEV certified 18429/11.01.02
Resistance to:
- compressive after 24 h≥ 11 N/mm2EN 13892-2
- compressive after 7 days≥ 19 N/mm2EN 13892-2
- compressive strength after 28 days≥ 20 N/mm2EN 13892-2
- flexural after 28 days≥ 7 N/mm2EN 13892-2
- böhme wear after 28 days> 22 cm3 / 50 cm2EN 13892-3
Classification/ConformityCT–C20–F7EN 13813


  • Product for professional use
  • abide by any British standards and industry regulations
  • do not use Proflow Rapid to correct substrate irregularities greater than 12 mm
  • do not add other binders, additives or pigments to the mixture
  • low temperatures and high relative humidity lengthen drying times and may saturate the environment with negative consequences on the surface consistency of the smoothing compound
  • addition of water will reduce product strength and increase the drying time
  • before laying hardwood floors, check the residual moisture content is within the accepted parameters given by the flooring manufacturer
  • honour any movement or expansion joints present in the substrate
  • if necessary, ask for the safety data sheet
  • for unstable wooden types, particular substrates and for any other issues, contact the Kerakoll Worldwide Global Service

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