This company offers a line of transportation-grade butyl rubber sealants in convenient tape form for various uses when assembling transit vehicles. The pre-formed, one-component formulations are available as individual tapes with silicone release paper for easy handling. They are recommended for sealing many materials used in fabricating and assembling truck trailer containers, buses, railway cars and recreational vehicles. The sealants are ideally suited to seal painted or unpainted surfaces against the infiltration of air, water, dust and other contaminants.