Nu-Base Hydroseal
  • Nu-Base Hydroseal

Hydron Nu-Base Hydroseal

HPC 147

Nu-Base Hydroseal is the ideal concrete floor sealer to suppress the effect of residual moisture in concrete. For example, if laying down tile flooring on top of concrete, it is first necessary to "seal-in" concrete from moisture, including residual moisture inside the concrete.

Ideal for

  • Pubs and clubs
  • Industrial warehouses
  • Dwellings
  • Public buildings

**Available for delivery - see Delivery Options below**

VAT excluded

£121.28 Tax incl.


Nu-Base Hydroseal, an epoxy resin specifically designed to produce a damp-proof coat on concrete floor, to make ready for a floor covering, for example, carpet, tile, vinyl or wood. Before application, it is recommended that the moisture content of the concrete is tested with a hydrometer. The Nu-Base Hydroseal ideal with hydrometer readings of up to 97% R.H. 

Product Use in the Workplace

  • New-build homes - Prevention is better than cure; seal-in those brand new concrete floors to reduce any unnecessary costs down the line.
  • Domestic kitchens - When new vinyl flooring is to be laid, and application of this Nu-Base Hydroseal will ensure a damp-proof coat, on which to lay vinyl flooring for ultimate peace of mind.

Features & Benefits

  • Suppresses the effect of residual moisture in concrete.
  • Solvent-free.
  • Odour-free.
  • FeRFA Class Type 3.

Life of Product

The Nu-Base Hydroseal has a shelf life of 12 months so long as it kept sealed in its original container. Beware though, because this is an epoxy coating, it has a pot life of 60 minutes @ 20ºC.


All surfaces should be clean, dry and free from oil and grease etc. Ideally the substrate should be shotblasted, scarified or scabbled first to provide a sound surface with a good mechanical key. All traces of concrete hardeners must be removed, and the surface must vacuumed to remove all traces of concrete dust. The area must be protected against further contamination prior to application.


By brush/roller or hand trowel. All equipment should be cleaned with epoxy thinners immediately after use.

Recommended storage is in a cool, dry place with temperatures between  10-15°C, and in accordance with the Highly Flammable Liquids and Liquefied Petroleum Gases Regulations 1972. 

Product Details
HPC 147

Data sheet

Interior / Exterior Use
For Use On
Application Method
Brush, Roller, Trowel
Single, Two or Three Pack
Pack Size
Brush, Roller or Hand Trowel
4m²/KG @250 microns.
Touch Dry
6 hours @ 20°C
UN Number (Activator)
UN Number (Base)

Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.

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