Halspan Pryogrille 100 Air Transfer Grille

Pyrogrille 100 is designed for use in fire rated doors, where there is a need for free air movement, however, when subjected to heat in a fire situation, the intumescent material swells to many times its original size and seals the aperture, forming a solid mass. The 38mm slim design can be used in most applications. A wide range of covers are available to enable an aesthetic view when installed.