Astroflame Passive Fire Protection Products

ANTI GRAFFITI PAINT APPLICATION GUIDE

Anti Graffiti Paint is suitable for use on most common building substrates.  However, there are some substrates where Anti Graffiti Paint is not recommended: refer to the table below for suitability on a range of common building substrates.

MATERIAL

SUITABILITY

COMMENTS

Brickwork

Suitable

Ideally suited. Depending on the porosity of the brick, substrate may darken on application of Anti Graffiti Paint. To prevent darkening and retain the original colour of the brick, seal with one coat of Non Darkening Sealer prior to application of Anti Graffiti Paint.

Concrete / Render Fibro Cement

Suitable

Ideally suited.  Concrete, render, fibro-cement are porous substrates that will darken on application of Anti Graffiti Paint.  To prevent darkening seal with one coat of Non Darkening Sealer prior to application of Anti Graffiti Paint.

Sandstone

Suitable over appropriate sealer

Suitable, however it is recommended that surface is sealed with one coat of Anti Graffiti Paint  to retain the original natural features and to avoid darkening of the substrate.

Textured Finishes

Suitable over appropriate basecoat/sealer

Suitable for textured finishes when applied over the appropriate base coat or sealer.  Anti Graffiti Paint allows graffiti to be removed using non-aggressive cleaning agents / methods that will not damage the original textured surface.

Painted Surfaces
(other than timber)

Always consult the manufacturer before application of Anti Graffiti Paint to any painted surface

Anti Graffiti Paint should NOT be used on painted surfaces unless approved by the manufacturer.  Many decorative paints will soften and stain when aggressive cleaning agents are used to remove graffiti.  Anti Graffiti Paint will NOT protect against staining and may lose adhesion to some paints if inappropriate cleaning agents are used.

Signage and Murals

Test for adhesion to assess for suitability

Anti Graffiti Paint does not adhere well to some plastics and painted surfaces.  Adhesion should be checked on all signage or mural surfaces.  Refer to Adhesion Test -  Method Anti Graffiti Paint to assess suitability before application.

Metals

Test for adhesion

Generally recommended for most metals including Galvanised Steel, Aluminium, Bronze, etc.  However adhesion tests should always be carried out prior to application of Anti Graffiti Paint to determine suitability.  Refer to Adhesion Test Method – Anti Graffiti Paint.

Timber
(CCA treated)

Suitable

Suitable, i.e. sound attenuation barriers.  Timber will darken slightly on application of Anti Graffiti Paint.

Timber (untreated or painted)

Not suitable

Not recommended on untreated or pre-painted timber surfaces as timber is an unstable substrate and generally requires repainting more frequently than stable substrates. 

Anti Graffiti Paint is a clear coating and does not protect untreated timber against the effects of ultra violet (UV) sunlight.

Application Guide

Anti Graffiti Paint is a unique protective coating system that must be applied strictly in accordance with the manufacturer’s guidelines and directions. 

Please ensure that all directions are read and understood prior to application of the product.  Failure to observe these guidelines and directions may downgrade performance and appearance of the substrate.

Suitable Substrates & System Recommendations

Porous surfaces such as concrete, render and textured finishes, etc.

Surfaces should be sealed with Anti Graffiti Paint Non Darkening Sealer.  Allow 24 hours for basecoat to dry thoroughly, then apply two coats of Anti Graffiti Paint at 8-10mt 2 / litre per coat allowing a minimum of four hours between coats.

Natural Surfaces such as Sandstone, etc.

Surface should be sealed with one coat of Anti Graffiti Paint Non Darkening Sealer to retain original colour features and to avoid darkening of the substrate.  Allow 24 hours to dry thoroughly; then apply two coats of Anti Graffiti Paint at 8-1010mt2 / litre per coat allowing a minimum of four hours between coats.

Non-Porous Surfaces such as Brickwork, etc.

Apply two coats of Anti Graffiti Paint at 8-10mt 2 / litre per coat allowing a minimum of four hours between coats.  If bricks are porous, apply one coat of Anti Graffiti Paint Non Darkening Sealer prior to application of Anti Graffiti Paint to reduce darkening and retain the original colour of the bricks.

Pre-painted and Untreated Timber

Application of Anti Graffiti Paint to pre-painted and untreated timber is NOT recommended.

Most untreated timber substrates are subject to grain cracking and generally require repainting more frequently than stable substrates, such as concrete, masonry, etc. 

Anti Graffiti Paint is a clear coating and therefore does not protect untreated timber against grain cracking and the effects of ultra violet (UV) sunlight.

CCA Treated Timber

For smooth, non-porous surfaces, apply two coats of Anti Graffiti Paint at 8-10mt 2 / litre per coat allowing a minimum of four hours between coats.  For profiled or rough surfaces, refer to the manufacturer’s specification for coverage rates.

Pre-painted surfaces other than Timber

Not generally recommended – see table above or refer to the manufacturer for advice.

Anti Graffiti Paint- Substrate table

25.06.10

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Astroflame (Fire Seals) Ltd. Intumescent House
Unit 8, The IO Centre, Stephenson Road, Segensworth
FAREHAM, ENGLAND PO15 5RU
tel 0800 023 2482
(01329 844500)
fax 0800 023 2483
(01329 844600)
intl
tel +44 1329 844500
fax +44 1329 844600

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