Application Method for External Markings on Brick, Concrete Paving Blocks or Tarmac Surfaces.
All the information below is as per COLTO specs, SARTSM manual and SABS Test.
- Surface to be cleaned by manual sweeping with stiff yard-brooms to remove any dirt or loose surface dirt.
- Surface to be dry:
- Surface to be cured:
- For tarmac surfaces, a minimum of 14 days from the date on which surface was laid until painting may commence.
- For concrete surfaces, a minimum of 1 month from the date on which surfaces were cast until painting may commence.
- For block or brick paving, a minimum of 1 month from the date on which surfaces were laid until painting may commence.
- Surface to be prepared:
- For tarmac, no additional preparation.
- For concrete surfaces, a light sandblasting to clean and “texture” surface.
- For block or brick paving, a light sandblasting to clean and “texture” surface.
- Product to be sprayed directly from the drum by means of professional airless road-marking equipment. No thinning of product permitted. No brushes or paint rollers may be used.
- Application rate to be a minimum of .46 litres per
square metre of painted area. All painting teams carry an application rate data sheet and test method which may be used by the client’s agents at any time during the application process.
- All painted markings to be defended by means of cones and/or barrier tape for a minimum of 30 minutes in summer, or 1 hour in winter or basement areas before any pedestrian or vehicle traffic is allowed.
- All containers to be removed from site by painting contractor at the end of everyday.
- All painting staff to be in company uniform, with full personal protection equipment (PPE) being used at all times on client’s site. All painting staff to wear company I.D. tags with full personal details and photograph at all times on client’s site.