R.I. – Water Repellent is an excellent water resisting and repelling product which took years to develop. When dried after application, and it forms an invisible coat, creating the effect that when droplets come into contact with the application area, they will roll off harmlessly. Water Repelling can prevent water from coming into the structure surface, and enhance the building water proofing capability, resist weathering and the growth of mossy. It also offers excellent anti-alkali abilities. Water Repellent is an odorless, user friendly, environmental friendly and non-hazardous product.