A clean dust free surface is required prior to the application of the bituminous binder. This is generally via sweeping with rotary brooming to remove dirt and excess loose stone from the surface.
A film of hot bituminous product is evenly applied at a controlled rate as per the suited seal design for the surface.
An even layer of pre-coated aggregate is applied at a controlled rate as per the suited seal design.
To achieve maximum aggregated retention into the binder rolling is required in order by compacting the aggregate into the bituminous product.