Roxtec is a consultant and supplier of fire-proof, watertight and gastight Multidiameterâ„¢ transits.The convenience of our transits is reflected in our Multidiameterâ„¢ technology. This leads to benefits such as engineering, work preparation, purchase, assembling and handling.Roxtec products are being used in marine, oil & gas, telecom, OEM, power, construction and railways. Roxtec is the best choice for our customers: we offer the best quality and most of our products are deliverable from stock.