Stripe coat

An additional coat of paint applied by brush or roller to welds, edges, corners, bolt heads and other irregular details where sprayed coatings tend to pull thin. Stripe coating is standard practice in high performance protective coating specifications.

Also known as: stripe coating, striping

Related terms

Dry film thickness

DFT

The thickness of a coating measured after it has dried or cured, usually specified per coat and for the complete system. It is a key quality control parameter, checked non-destructively on metal substrates with magnetic induction or eddy current gauges.

Coatings & protectionTesting & standardsAerospaceAutomotiveConstructionMarineGreen energyIndustrial

Holiday (coating defect)

A discontinuity in a protective coating, such as a pinhole, void, crack or excessively thin spot, that exposes the substrate to the environment. Holidays are located with low voltage wet sponge or high voltage spark test instruments, particularly on pipeline coatings and tank linings.

Coatings & protectionTesting & standardsConstructionMarineGreen energyIndustrial

Primer

A preparatory coating applied to a substrate before an adhesive, sealant, coating or waterproofing membrane, improving adhesion by sealing porosity, binding dust or providing a chemically compatible surface. Primer selection depends on both the substrate and the product to be applied over it.

Resins & adhesivesCoatings & protectionRoofing & waterproofingAerospaceAutomotiveConstructionMarineGreen energyIndustrial

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