This is an advertisementInterested In Advertising? | Contact Us Here
The old mortar will probably be lime , as it got black flakes in it.? Gloss paint will not stick to it and will fall off when fully hardened, and the wind blows . You can speed it up with a soft nail brush, gently !For the bricks , use slow release graffiti pads, plastic scraper and wet sponge, brick at a time.