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M22 Sprayed monolithic coatings

TYPES OF COATING

120 SPRAYEDcoatings generally
• Survey: Carry out before installation commences.
• Preparation: site specific.
• Barrier/ Bonding coat: site specific.
• Coating material:
- Manufacturer: site specific.
Product reference: site specific.
- Colour: site specific.
- Surface finish: site specific.
- Minimum applied thickness: site specific.
• Mechanical retention/ reinforcement: site specific.
• Finishing/ Sealing coat: site specific.
• Installer: BSI registered, BUFCA member or approved in accordance with the British
Board of Agrément Surveillance Scheme.

130 EXTERNALLY SPRAYEDcoatings generally
• Survey: Carry out before installation commences.
• Material: To BS 5241-1.
- Designation: site specific.
- Manufacturer: site specific.
Product reference: site specific.
• Installation: To BS 7021.
- Installer: BSI registered or approved in accordance with the British Board of
Agrément Surveillance Scheme.
• Protective membrane: As recommended by coating manufacturer.
- Manufacturer: site specific.
Product reference: site specific.
- Colour: site specific.
- Surface finish: site specific.
- Minimum applied thickness: site specific.

GENERAL REQUIREMENTS

210 SURFACES TO BE COATED
• Condition: Structurally sound, dry, frost free, free from contamination by dirt, dust,
efflorescence or other deleterious substances, and in a suitable condition to
receive specified coatings.

220 ENVIRONMENTAL CONDITIONS
• General: Do not start work specified in this section before building is weathertight.
• Surface temperature: Minimum 4°C above the dew point temperature with
conditions stable or improving.

RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01