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Price Range:£53.94 - £191.94
Price £53.94
In stock
Jotun Jotamastic 87 Aluminium Winter Grade

Jotamastic 87 Aluminium the performance 2K epoxy mastic for repair and maintenance in cold conditions.

Jotun Jotamastic 87 Aluminium Winter Grade is a two-pack, high solids, anticorrosive, surface-tolerant, aluminium finish, epoxy mastic coating with abrasion resistance qualities for repair and maintenance. It is ideal for use on steel where blast cleaning may not be possible, surfaces that are still moist and as a solution for less severe environments.

Jotun Jotamastic 87 Aluminium Winter Grade provides long-lasting protection and can be used alone as primer, mid coat and finish coat, or in conjunction with various Jotun systems.

Will dry to a semi-matt finish and can be sprayed using an airless spray system. It is available in five colours and displays excellent colour retention. It is perfect for adhering to existing aged painted surfaces, is easy to use and has a high opacity.

What applications/uses is Jotamastic 87 Aluminium most suitable for? 

It's ideal for exterior metal surfaces such as Previously Coated Metal, Carbon Steel, Shop Primed Steel, Aluminium, Galvanised Steel, Outside Hulls, Exterior and Interior Areas of Marine Vessels, Water Ballast Tanks and Other Surfaces.

Jotun Jotamastic 87 Aluminium Winter Grade is perfect for use on a wide range of industrial structures such as containers, bridges, railings and buildings and is especially good in atmospheric and immersed environments and can be applied at sub zero surface temperatures

Approvals & Certification

  • Low flame spread class 1, BS 476, Part 7, 1971. Warrington Fire reasearch, Naval Eng, Stand 713: Issue 3
  • Grain, Newcastle Occupational Health


  • Suitable for exterior metal surfaces
  • Aliminium Finish
  • Comes with Winter Grade Activator.
  • Can be used over existing alkyd paint, epoxy, zinc epoxy, shop primer
  • Surface Tollerant Mastic Coating

Technical Information

Brand Jotun
Coverage Approximately 3-4.9m² per litre
Application Airless Spray, Bruh recommended for small areas, or roller (not recommended for the first primer coat)
Drying Time Touch dry in 7 hours, Dry to recoat 10 hours, Fully cured in 7 days @ 23°C
Mix Ratio 4:1 with Jotamastic 87 Standard Winter Grade Comp B

Dry film thickness: 150 - 300 μm

Wet film thickness: 180 - 365 μm

Cleanup Clean directly after using Jotun Thinner No. 17
Storage 2 years if can kept dry and firmly shut, away from direct sunlight
VOC 236g/l
Ingredients Epoxy Mastic



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 12944-5 6.1)
Clean, dry and undamaged compatible
coating (ISO 12944-5 6.1)
Carbon steel St 2 (ISO 8501-1) St 2 (ISO 8501-1)
Shop Primed Steel Clean, dry and undamaged shop
primer (ISO 12944-5 6.1)
Sa 2 (ISO 8501-1)


The product can be applied by

Spray Use Airless Spray
Brush Recommended for stripe coating and small areas.
Roller May be used for small areas. Not recommended for the first primer coat.


The product must be stored in accordance with national regulations. Keep the containers in a dry, cool, well ventilated space and away from sources of heat and ignition. Containers must be kept tightly closed. Handle with care.

Shelf life at 23 °C Conseal Touch-Up 48 month(s). In some markets commercial shelf life can be dictated shorter by local legislation. The above is minimum shelf life, thereafter the paint quality is subject to re-inspection.

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