Transform your Caribbean walls with Damtite's 21LB Concrt Waterproofer, a Portland cement-based coating that's your go-to for sealing, protecting, and decorating vertical surfaces. Whether it's concrete, masonry, brick, or stucco, this waterproofing wonder is your solution. Just mix the powder with water and let the magic begin! Say goodbye to dampness, mildew, flaking, and chalking - this coating does it all while adding a touch of beauty to your space. Forget waiting for walls to dry; apply it on damp surfaces for quick results! Safe for drinking water tanks, birdbaths, and more, it's your versatile ally against moisture and radon gas.