When exterior walls are exposed to rainwater or high humidity, water and moisture can travel through the masonry and affect your internal walls. This means that your walls may stay damp for a long time before drying, which may lead to mold growth and irreparable damage. In humid areas like the Philippines, wall damage due to water penetration isn’t a matter of IF, but a matter of WHEN. waterproofing-exterior How can you prevent water and mold from affecting your walls? By fol