Price £50.00
Jotun Hardtop HB

Jotun Hardtop HB is a two-component chemically curing aliphatic acrylic polyurethane coating that has a Matt finish.

Jotun Hardtop HB is a hardwearing topcoat for use in aggressive atmospheric exposure. A tintable two-component polyurethane topcoat for marine and industrial structures in highly atmospheric conditions. Specially formulated to provide a highly durable and anti-corrosive finish.

Area of Use

Jotun Hardtop HB is recommended for marine structures, bridges and industrial structures, as well as boats, ships and yachts. When being used as a deck coating the addition of an anti-slip aggregate can be made, to provide a slip-resistant finish. Conforms to the Highways Agency Item No. 169.

Suitable Primers: Can be used over the Jotamastic and Penguard range of Primers.


  • This product is part of the Network Rail/Railtrack RT98 Systems M20, M21, M24, N2 and N9. 
  • Certificate numbers XM92/M20-148, XM92/M21-114, XM92/M24-124, XM92/M24-125, XN90/N2-063 and XN90/N9-066.
  • Highways Agency Item 169
  • BBA HAPAS certified for the corrosion protection of structural steelwork in highway applications.
  • Low Flame Spread in accordance with EU Directive for Marine Equipment. Approved in accordance with parts 5 and 2 of Annex 1 of IMO 2010 FTP COde, or Parts 5 and 2 of Annex 1 of IMO FTPC when in compliance with IMO 2010 FTP Code Ch. 8.

Technical Information


Chemically curing aliphatic acrylic polyurethane coating

Coverage Approximately 5 - 8.3m2 per litre
Sheen Matt
Stock Colours Small colour range
Tintable Yes to RAL and BS colours (non-refundable/exchangable)
VOC 459g/litre
Volume Solids 50%
Application Airless Spray or Brush
Drying Time Touch dry in 4 hours, Dry to recoat 12 hours, Fully cured in 10 days @ 10°C
Wet Film Thickness (WFT)

120 - 200 μm

Dry Film Thickness (DFT)

60 - 100 μm

Cleaner/Thinner Clean directly after using Jotun Thinner No. 10
Storage 2 years if can kept dry and firmly shut, away from direct sunlight


Tech Data Sheet


We take health and safety seriously here at AllFinishes and recommend you use the correct protection for the job. Disregarding safety equipment can be damaging and result in long term health conditions. Please check out our Moldex range for high quality respirators and hearing protection.


To secure lasting adhesion to the subsequent product all surfaces shall be clean, dry and free from any contamination.

Substrate                              Minimum                                    Recommended                         
Coated surfaces Clean, dry and undamaged compatible
coating (ISO 12944-4 6.4)
Clean, dry and undamaged compatible
coating (ISO 12944-4 6.1.4)


This highly efficient and protective paint coating is designed for application using an Airless Spray. You may use a paint brush for stripe coatings (or when applying to small areas only). Please ensure you take care to acheive the specified dry film thickness.

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