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Watco Flowpatch

Fast, pourable and strong repairs for heavy wear areas

  • Easy to use rapid dry formula
  • Takes forklifts in just 2 hours
  • Just add water, mix and pour
  • Fibre reinforced for added strength

Frequently bought together

Total price

£82.60 (Ex VAT)

This item: Flowpatch 10KG £45.00 (Ex VAT)


Flowpatch® is an easy to mix pourable material, ideal for quick repairs to level concrete, inside or outside. Its very strong formula will harden quickly and will accept heavy traffic including forklifts only 2 hours after application.

We recommend Watco Flowpatch Deep Fill® for repairing or levelling deeper holes between 10-200mm in concrete flooring. 

Recommended areas of use

  • Ideal for filling deep holes before screeding with Watco Flowtop®
  • For repairs to ramps, steps and for reforming edges, we recommend Watco Concrex®
  • For resurfacing or levelling larger areas of rough or tamped concrete, please use Watco Flowtop®


  • Just add water, mix and pour
  • Can be applied to damp (not wet) concrete
  • Sets at low temperatures (down to 5°C)
  • Flowpatch® can be applied from feather edge to 100mm
  • Light grey, slip resistant finish
  • Odourless, non-toxic, non-hazardous formula
  • Fibre reinforced
Properties Quick setting, pourable patch repair for heavily trafficked floors, just add water, mix and pour, slip resistant finish, sets at low temperatures.
Suitable for For quick repairs to flat concrete inside or outside.
Interior or Exterior Interior and exterior.
Primer required No primer required.
Coverage 0.5m² per 25kg at 25mm thick approximately.
Curing time Pedestrian traffic: 30-60 minutes at 15-20°C. Forklift traffic: 2 hours at 15-20°C.

Surface preparation

The substrate should be clean and free from oil or contaminants. Any loose material should be removed from the surface. If possible wire brush the surface. Edges of the repair should be cut to depth to avoid feather edging in heavy wear areas. Watco Flowpatch can be applied to damp (not wet) concrete. 


Remove the bag of powder from the plastic bucket and use the empty bucket or other suitable container for mixing. To mix, add the powder to water. Use a ratio of 175–225ml of clean cold water to 1kg of powder (as a guide approx. 3.5 units of powder by volume to 1 unit of water). 

Due to the short working life of the mixed product, we recommend you carry out the mixing near to the repair, not near to the water source. It’s also useful to have a bucket of water nearby, so you can quickly immerse and clean the tools after use. Put the water into the empty bucket or container and gradually add the powder stirring constantly to achieve a pourable slurry. For small quantities mix by hand using a flat bladed tool such as a spatula, and for larger quantities use a mixer fitted into a slow speed electric drill. Do not add excessive water or drying time will be extended and the performance may be impaired. As the mixture hardens quickly, pour the Flowpatch into the hole to be repaired immediately. We do not recommend re-stirring as this could potentially weaken the final repair. Do not mix more than you can use within a few minutes (5–10 minutes at 20°C). The remaining powder can be stored for future use. 


When a smooth consistency is achieved, simply pour Watco Flowpatch in to the hole. If the product has been properly mixed it will self level and will need minimal trowelling. Watco Flowpatch can be applied to any depth between 5mm and 100mm, Flowpatch Deepfill can be applied to depths of 10-200mm. Repairs in lightly trafficked areas can be feather edged, but thin edges are not recommended for medium or heavily trafficked repairs.

Case studies
Data sheets

Safety data sheets

Safety Data Sheet

Technical data sheets

Technical Data Sheet

£45.00 (Ex VAT)

In stock

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Specialist alternatives

Need to fill a deep hole?

Get the right product for filling holes deeper than 50mm

Our Deep Fill alternatives allow you to apply them at much thicker depths in one application. Meaning you can get a more economical formula that delivers the same strength and reduces downtime.

All hole repair

Watco Flowpatch Deep Fill


Fast, pourable and strong repairs for deep holes

£95.60 (Ex VAT)

Applying in cold conditions?

Complete your maintenance projects all year round

Our chemists have developed cold curing products with the latest resin technology so you can continue with your repair projects all year round.

All cold cure

Watco Flowpatch Sub Zero


Fast & strong repairs for heavy wear areas in -20°C

From £69.60 (Ex VAT)

Repairing asphalt?

Choose the right product for your surface type

If you are repairing an asphalt substrate, then we have a range of bitumen based products that help blend in with the existing environment.

All asphalt repair

Watco Bitu-Mend® Pothole Repair


Easy and instant repairs to potholes in concrete and asphalt

From £53.40 (Ex VAT)

Tools and accessories

Mixing Blade Flowtop/Flowpatch

Mixing Blade Flowtop/Flowpatch

For mechanical mixing of Watco Flowtop and Watco Flowpatch

£11.30  (Ex VAT)

10" Steel Float Flowtop/Flowpatch

10" Steel Float Flowtop/Flowpatch

Ideal for smoothing and levelling off repair materials

£6.90  (Ex VAT)

Wire Brush & Scraper

Wire Brush & Scraper

A useful tool for removing rust and old coatings

£2.50  (Ex VAT)

What our customers say

Help & Advice

Contact our friendly and professional Technical Advisors for expert help and advice for your project. You can give us a call on 01483 418 418 or email

Contact us