Winkler Pre-One

From £47.46 (inc VAT) £39.55 (ex VAT)

Winkler Pre-One is a quick setting mortar for use prior to the application of Winkler One, One Vertical, and One Flooring products. It can be used to repair patches (up to 2 m²) on both vertical and horizontal surfaces. 

Pre-One can be used in both damp conditions and extreme temperatures (ranging from 0°C up to 45°C) and can be applied up to a depth of 20mm in a single coat.


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Winkler Pre-One

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At a Glance

  • Quick setting repair mortar for use with Winkler One, One Vertical, and One Flooring.
  • Can be applied onto wet surfaces and in extreme temperatures (0°C up to 45°C).
  • Colour: Grey.
  • Sizes: 15kg / 20kg.

Surface Preparation

  • Clean the substrate thoroughly ensuring all loose debris, dirt, dust, and any form of oil or grease is removed before use.
  • If necessary, a pressure washer can be used to assist with this.
  • For areas with stubborn oil stains, remove about 2mm of the substrate below and surrounding the location of the oil stain. 
  • Treat these areas with Winkler One Primer before treatment with Pre-One.
  • Allow at least 24 hours between the One Primer and Pre-One treatments. 


  • Mix Pre-One well until reaching an even consistency.
  • Apply the mixture with a trowel or smooth putty knife.
  • For repair areas greater than 1m² x 1cm deep, apply the formula in 2 coats.
  • Wait at least 12 hours between applying Pre-One and any subsequent layers of Winkler One, One Vertical or One Flooring.
  • Remove all dust after applying Pre-One and before the application of the One waterproofing products.

Important Information 

  • Do not add cement or additives.
  • Do not use if the sack is damaged.
  • Do not add water when preparation begins to set.
  • Do not apply to tarmac or surfaces treated with bitumen.
  • Do not apply to smooth surfaces.


1.7kg/m² per mm of depth.


This product has a shelf life of 12 months when stored in a dry, protected place with its packaging intact. It is not frost-proof and must be stored at temperatures between + 5°C and + 35°C.



Courier Delivery

Max 2 items

Up to 3 working days.

Starting from £15.00.

Palletised Delivery

For 3 or more items

5-7 working days.

Starting from £46.00 per pallet.

You can view our detailed delivery charges and services here.