Jotun Jotamastic 87 Aluminium Winter Grade

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Price Range:£60.00 - £199.98
Price £60.00
Jotun Jotamastic 87 Aluminium Winter Grade

Jotamastic 87 Aluminium Winter Grade is 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. Aluminium pigmented for improved barrier effect. 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.

Area of Use

Jotamastic 87 Aluminium Winter Grade is a versatile product that can be used as a primer, mid or finish coat, or as a single coat system in atmospheric and immersed environments. The Winter Grade activator lets you apply at sub zero surface temperatures, and is suitable for the maintenance and repair of prepared carbon steel and aged surfaces. Apply to a wide range of industrial structures:

Marine: Outside hull surfaces, exterior/interior surfaces within marine environments including water ballast tanks (approved for PSPC for water ballast tanks according to IMO Res. MSC 82/W)

Protective: Recommended for offshore environments, including splash zones, refineries, power plants, bridges, buildings, mining equipment and general structural steel

Substrate suitability: Carbon steel, galvanized steel, stainless steel, aluminium, concrete and a range of aged coating surfaces

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

Technical Information


Polyamine cured epoxy mastic coating

Coverage Approximately 5.1 - 3.1m2 per litre
Sheen Semi-Gloss
Stock Colours Aluninium, Aluminium Red Tone
Tintable No
VOC 212.0g per litre
Volume Solids 87%
Application Airless Spray, Brush or Roller
Drying Time Touch dry in 6 hours, Dry to recoat 16 hours, Fully cured in 3 days @ 10°C
Wet Film Thickness (WFT)

195 - 325 μm

Dry Film Thickness (DFT)

150 - 250 μm

Cleaner/Thinner Clean directly after using Jotun Thinner No. 17
Storage 48 months for Part A, 36 months for Part B

Areas of Use

Jotamastic 87 Aluminium Tech Data Sheet


Prepare surfaces thoroughly before application. Ensure they are clean, dry and free from all contaminants. The WG standard of product requires the mix ratio to be Comp A/Comp B mix ratio of 4:1. Airless spray should be the primary application method, saving brush application for stripe coating or small areas. Rollers may also be used for small areas, although this is not recommended for the first primer coat. It is very important care is taken to achieve the specified dry film thickness if using a brush or roller.

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