Masonry Paint onto New Work.
Remove all mortar splashes, make good where necessary with the appropriate external plaster filler. Ensure the surface is dry, clean and free from surface contaminates; mould, lichen. and efflorescence.
Traditional common bricks (Fletton) and polished concrete should be acid washed (hydrochloric) or sweet blasted to obtain a suitable key for painting.
Painting
Generically, onto new work all systems would require 1 sealer coat followed by 2 full coats of the masonry paint.
Manufactures products can vary from, modified PVA external coatings, Acrylic based paints, modified Silicone based coats and oil coatings based on Pliolite®resin.
As painting systems vary from different manufactures reference should be made to their product data sheet to ensure it meets with the required performance.
Note:
See problems and Remedies Carbonation of Concrete.
Pliolite ® trademark is registered to Goodyear Tyre and Rubber company.
Suppliers of Masonry finishes include:
Andura Coatings. https://www.andura.com
Johnstone Paints. https://www.johnstonestrade.com
International Paints. https://international.brand.akzonobel.com
Dulux Paints. https://www.duluxtradepaintexpert.co.uk