Rust Preventive Paint: Keeping Vehicle Paintwork in Top Condition

Bust that rust with POR-15’s range of Rust Preventive Coating. POR-15 explains how to make the most of its range of products for vehicle maintenance.

Keeping a vehicle rust-free not only prevents serious damage to the body but also enhances the look and value of the vehicle. While most end-users follow the steps for general maintenance and upkeep, only a few take care of rust prevention and so factors and retailers should educate users of its benefits.

The Offering

POR-15 is a rust preventive paint designed for application directly on rusted or seasoned metal surfaces. It dries to a rock-hard, non-porous finish that won’t chip, crack or peel and prevents rust from recurring by protecting the metal from further exposure to moisture. Unlike other rust paints, it keeps moisture away from metal with a coating that is strengthened by continued exposure to moisture.

POR-15 explains how to make the most of its range of products for vehicle maintenance:

What is the best surface to paint POR-15 on?

POR-15 likes rusted surfaces best. Seasoned metal and sandblasted metal are also suitable. POR-15 does not adhere well to smooth, shiny surfaces but will cling well to surfaces with proper preparation.

What do the different colours of POR-15 (black, clear, grey or silver) signify?

The colours help differentiate the usage of the product as follows:

•  Black is generally used on frames, underside of bumpers, etc. because it’s the usual colour there.
•  Clear renders the smoothest finish and is often used as a pre-primer on exterior surfaces.
•  Grey is great on steel surfaces but can also be used on concrete floors as well as storage areas.
•  Silver contains metal filler and should be used in badly rusted, pitted areas.

Can POR-15 be used over other paints?

Yes, but the benefits of POR-15 will be lost in doing so. Ordinary paints are weakened by exposure to moisture and POR-15 can only stop rust when in direct contact with the base metal. This is because POR-15 forms a cross-linked bond with the base metal which no other coating can match.

Can a body filler or putty be used with POR-15?

Yes, but both sides of the rusted area need to be painted with POR- 15 and then a body filler or putty can be used as soon as the POR-15 is dry to the touch. This usually takes between 1-2 hours.

Can POR-15 be used with fibreglass?

Yes, POR-15 is fully compatible with fibreglass and can be used to repair cracks in a gel coat. It will adhere better than polyester resin and has greater strength. It is recommended that POR-15 be used along with a fibreglass cloth to strengthen the surfaces of rusted out areas. However, POR-15 does not contain styrene so it cannot melt fibreglass cloth like polyester resin does.

Is it better to brush or spray POR-15?

Both; however, the majority of users brush POR-15 on. When fully cured for 96 hours, POR-15 dries to a hammer tough, brushstroke free finish. Thinning should be no more than 5% and should only be completed with a POR-15 solvent.

Can any of the 3-step process be skipped?

This is not advised. Application of a cleaner-degreaser, metal surface preparation and POR-15 Rust Paint application are each a key step in achieving a complete rust preventative, long-term solution.

When should a POR-15 topcoat be used?

POR-15 Topcoat can be used as an option where the treated area will have prolonged exposure to sunlight. Top coat can also be added when the POR-15 rust paint is dry to touch.

The POR-15 range is available from FPS on a same day and next day delivery.

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