How-it-Works:
Purified Linseed Oil is a natural rust inhibitor, so all Linseed Oil Paint colors are excellent for both interior and exterior metal applications.
For exterior metal, Iron Oxide Minium is the ideal "primer" coat. Formulated with a special Spanish pigment called hematite, which creates a fish scale-like pattern on the surface that protects against material degradation. It effectively prevents moisture from deteriorating the metal over time and is an excellent alternative to often very toxic, modern coatings that crack, peel, flake.
Any Ottosson Linseed Oil Paint color can be applied as a top-coat.
Benefits:
A breathable coating that preserves metal and does not trap moisture.
Does not fail (i.e. crack and peel) like many modern metal coating products.
Easy maintenance.
Non-toxic. Safe to work with, safe to live with, and safe for the environment.
Long tradition of use before powder-coating and other petrochemical-based metal coating products.
Application suggestions:
Prep your surface by removing as much rust as possible with a wire brush. Clean surface, if needed, to remove dust, dirt, organic growth and any loose particulate. Finally, rinse well, and let dry fully. Sandblasting to remove old coatings is also an alternative method to prep a surface. For example, sandblasting old radiators before painting with Linseed Oil Paint results in a very smooth finish.
Surface does not need to be 100% rust free before application.
Apply 1-2 thin, even coats of Iron Oxide Minium on clean, dry exterior metal surfaces. Iron Oxide Minium “primer” is not necessary for interior metal surfaces.
Finish with 2 coats of your final top coat color (see the Ottosson color palette).
Wipe on Linseed Oil Paint with a clean cloth or use a stiff bristle brush.
Let dry fully between coats.
The application of 3 coats is ideal for long-lasting protection: at least 1 coat of Iron Oxide Minum, and 2 additional coats of any Linseed Oil Paint color to finish.
Linseed Oil Paint is best when applied to a bare metal surface but can be applied on-top of a previous coating. Be aware if the old coating underneath the Linseed Oil Paint is failing or fails in the future, it will of course take the Linseed Oil Paint with it when it peels, cracks, etc.
Maintain by cleaning surfaces with Linseed Oil Soap or a non-petrochemical liquid soap, rinse well, let dry, before application of a maintenance coat of Purified Linseed Oil or a coat of your preferred Linseed Oil Paint top-coat color.
Clean-up with Linseed Oil Soap. No solvents required.
Do not mix with petrochemical products or use with lower-quality, conventional linseed oil.
Note: Can be sprayed with an airless sprayer but a significant portion of the product is lost as soon as it becomes airborne. This is not the most economical way to apply Linseed Oil Paint and is significantly more difficult to achieve thin, even coats.
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