The present invention relates to a fire-resistant pane, including at least one float glass pane with a tin bath side and at least one protective layer that is arranged on the tin bath side in a planar manner, wherein the float glass pane and the protective layer are thermally tempered or partially tempered together. At least one alkaline fire-resistant layer is arranged on the protective layer in a planar manner. The protective layer contains metal oxide, metal nitride, and/or mixtures or layered compounds thereof. At least one edge sealing is arranged directly on the protective layer.