2350 MHRV™ Sealant was developed from our best selling 2300^® MHRV Sealant for specific applications requiring a heavier bodied product. It fills larger gap-sized joints, such as exterior wheel fender applications. It has been specifically formulated from a combination of special polymers for the many rigorous applications of the transportation industry, including truck-trailer, truck body, travel trailer, manufactured housing, and recreational vehicle. 2350 MHRV™ Sealant can be exposed to adverse weather right after application. It has excellent expansion and contraction properties to withstand the joint movement and temperature changes associated with transporting manufactured units. It bonds to many vehicle body manufacturing materials, including damp, slightly oily, or frozen surfaces.