... yellowing, easy smoothening, excellent bonding, mildew resistant, good sealing and fine quali JOINT MASTERSpecialize in Anti-cracking on Jointing ... , excellent bonding, water resistant, mildew resistant, good sealing and fine quality.The product is certified by SGS tests ... walls to prevent the cracking. Apply to repairing roofs, sealing of corner between kitchens, bathrooms, toilets, and pipelines. ...