Repairing or converting a motorhome, RV, trailer or van? Sikaflex-221 is a great choice for internal seals and simple bonding applications. This high-quality single component adhesive and sealant is fast-drying, low odour and non-corrosive, making RV maintenance and repairs easy. Ideal for use on a wide variety of substrates including metal, plastic and painted surfaces, Sikaflex-221 can be sanded and painted for a professional finish. The resulting permanent elastic seals are strong, flexible and resistant to aging, weathering and water damage, helping to keep your vehicle in tip-top shape for longer.