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Hvo PTNG 2

The document outlines guidelines for paint application methods, emphasizing brush application to avoid issues like overspray and paint loss. It specifies when to use brush and roller applications, detailing the proper techniques for achieving a smooth coat and addressing repairs for damaged primers and coatings. Additionally, it highlights the importance of compatibility and inspection during the repair process.

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Rajesh Rajesh
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14 views1 page

Hvo PTNG 2

The document outlines guidelines for paint application methods, emphasizing brush application to avoid issues like overspray and paint loss. It specifies when to use brush and roller applications, detailing the proper techniques for achieving a smooth coat and addressing repairs for damaged primers and coatings. Additionally, it highlights the importance of compatibility and inspection during the repair process.

Uploaded by

Rajesh Rajesh
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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should be painted by brush instead of spray gun to avoid overspray, dry spray and unacceptable

paint losses.

8.5 Brush Application


Brush application may be used in the following circumstances:
 When areas cannot be properly coated by spraying for any reason, such as material
or environmental considerations.
 For the initial and subsequent coats of paints to corners, edges, crevices, holes,
welds or irregular surfaces prior to spray application.
 For touch-up or repairs in shop and field, to localized damaged paint or areas of
incorrectly applied paint.
 Where the paint manufacturer considers the coating material suitable for brush
application.
Brushes shall be in a style and quality that will permit proper application of the paint.
Brush applications should be done in two passes that are perpendicular to each other so that a
smooth coat, as near uniform in thickness as possible, is obtained. There should be no deep or
detrimental brush marks. Paint shall be worked into all crevices and corners. Runs and sags shall
be brushed out.

8.6 Roller Application


Roller application shall only be used on relatively large surface areas and only if spraying is not
an option. Roller application shall only be used for subsequent coats after the priming coat has
been applied by brush. Roller application shall be in accordance with the paint manufacturer’s
instructions.

8.7 Repair of Damaged Primers and Coatings


Surfaces which are damaged or have DFT out of tolerance shall be ground back to bare metal in
accordance with St 3 and re-coated, within 4 hours, in accordance with Attachment 1.
Areas requiring to be re-primed shall be re-blasted or needle-gun cleaned for areas originally
abrasive blasted.
Re-priming shall be done with the same primer as originally applied. Where this is not feasible,
the primer used shall be compatible and be suitable for the operating temperature.
Where shop coating has been damaged in handling, all damaged and blistered coating shall be
removed by hand or power tool cleaning. Edges of the breaks shall be feathered, and the specified
number of prime and finished coats applied. Repair of coating is subject to inspection by principal.

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