What are the sources of salts in primary efflorescence?

Nov 30, 2021 ... Causes and Cures for Efflorescence · Site surface drainage · Wall cracks · Negative grading · Excess moisture · Moisture or water from the ground. Worsening matters is very cold air temperature, which causes the water to freeze and expand. What starts as a small chimney leak can eventually lead to ... May 20, 2021 ... Efflorescence is a white powder-like substance on the bricks of a chimney, which causes discoloration. This substance is actually a collection ... Sep 13, 2021 ... Efflorescence is more likely to happen with porous surfaces such as concrete, brick, and stucco than with stone veneer. Efflorescence on stone ... Aug 7, 2018 ... Efflorescence is a fine, white, powdery deposit of water-soluble mineral salts that forms on the surface of typical Portland-cement-based ... Concrete efflorescence is a phenomenon that can occur when salt mixes with water and forms powdery deposits on concrete's surface. Aug 6, 2016 ... It can cause paint to peel and can even lift floor tiles that were applied directly to the concrete floor! Sometimes if a wall or floor is ... Jun 22, 2018 ... Efflorescence is a harmless yet unsightly accumulation of salts on masonry surfaces. Its presence indicates excess water, a condition that can damage interiors ... What Causes Efflorescence? · 1. Water Water plays a central role in the efflorescence process. · 2. Porous Materials Efflorescence is most common in porous ... Efflorescence is caused by vapor migrating through the slab bringing soluble salts to the surface of the concrete. Efflorescence is normally worn off or washed ...