OB1 Painters Pal is a high quality professional sealant which is universally paintable based on hybrid technology which cures under the influence of humidity to form a durable elastic rubber. Universal uses for building and glazing interior and exterior good resistance to uv , moisture, mould and weather. Specifically developed as a universal glazing and frame sealant complying with international glazing standards for laminated, single, burglar-proof and self-cleaning glass. For sealing expansion, connection and perimeter joints. Ideal as a window and door frame sealant. Non-corrosive towards metals free of isocyanates, solvents and silicone. Adheres perfectly without primer on most surfaces, even damp surfaces. No shrinkage and bubble free.