Shearflow air curtains not only look good, they combine high performance with low noise, generating a high velocity air barrier to protect any size of doorway At the heart of the Shearflow range is the modula concept - individual units that are designed to fit seamlessly together, allowing any width of doorway to be protected by a continuous air curtain barrier With over 50 years experience in manufacturing, Shearflow have a tradition of quality, reliability and innovative design