Sandtex Quick Drying Stabilising Solution 2.5 Litre

Amazon

Quick drying Easy to apply ensures good Adhesion of masonry paint Apply with a brush Use on exterior chalking and weathered surfaces, Weight: 5.80256673584 pounds, Manufacturer: Crown Paints

Freshlick

A quick-drying, easy-to-apply solution for masonry prior to paintingPrimes dusty and chalking areas for good paint adhesionSeals in porous and weathered areas