The role of the construction system of each building is to transfer the loading to its foundations. During its lifetime, the building is exposed to the effects of permanent and accidental loads, which also include fire loading. The fire poses a great threat to the users of the building, because in addition to the direct adverse effects on health, it can lead to the collapse of the entire building, and thus endanger persons in or near the building. Therefore, ensuring the fire safety of the building is extremely important. The time to achieve buildings failure due to fire is presented as the va Progressive Methods for Determining the Fire Resistance of Wooden Beams - Dominik Špilák, Andrea Majlingová, Danica kačíková od authora Dominik Špilák, Andrea Majlingová, Danica kačíková a nakladatelství za skvělé ceny na e-shopu Martinus. cz.