PYRAN® S is a pre-stressed, monolithic, borosilicate single-pane fire-rated safety glass that adheres to EN 13024-1. Its ability to withstand heat is superior to traditional fire-resistant glasses, but what truly sets it above its competition is its ability to remain transparent, even in the event of a fire. This is especially crucial when it comes to coordinating evacuation and rescue efforts, which is why PYRAN® S has become the glass of choice for most projects. Manufactured in a one-of-its-kind micro-?oat facility in Germany, PYRAN® S combines the unique properties of borosilicate glass and the ?oat process to produce an extremely high-quality product. As a component in ?re-resistant glazing that meets the requirements of resistance classes E 30, E 60, E 90 and E 120, it has proven its outstanding optical and mechanical characteristics over the years in a wide variety of buildings.