Introduction Testing Methods Test Results: Handmade Bricks Test Results: Modern Brick Recommendations Limewash Recipes Limewash Recipes Matrix QUV Artificial Weathering Adhesion by Tape Test Abrasion by Falling Sand Results Solids Test Measuring Adhesion by Tape Test Abrasion Test QUV Samples Colorimetry Adhesion Test on QUV Samples Abrasion Test on QUV Samples