Dupli-Color Undercoating products are ideal for protecting wheel wells, gas tanks, frames and supports, weld joints, floor pans, doors, and quarter panels. Dupli-Color Undercoat (UC101) offers economical protection plus paintablity, moisture resistance, corrosion resistance, and a durable rubberized finish. Dupli-Color Professional Undercoat with Sound Eliminator (UC102) provides superior protection by also reducing road vibrations and road noise.