EN 1996-1-2: Design of masonry structures. Part 1–2: General rules – Structural fire design. PN-EN 1996-1-2: Design of masonry structures. Part 1–2: General rules – Structural fire design (Polish Code). EN-1996-1-1: Design of masonry structures. Part 1–1: Common rules for reinforced and unreinforced masonry structures. PN-EN-1996-1-1: Design of masonry structures. Part 1–1: Common rules for reinforced and unreinforced masonry structures (Polish Code). EN 1991-1-2: Actions on structures. Part 1–2: General actions – Actions on structures exposed to fire. EN 1990: Basis of structural design. EN 1365-1: Fire resistance tests of load-bearing elements. Part 1: Walls. EN 1364-1: Fire resistance tests of non load-bearing elements. Part 1: Walls. EN-1996-1-3: Design of masonry structures – Simplified calculation methods and simple rules for masonry structures. Kosiorek M., Woźniak G., Projektowanie elementów żelbetowych i murowych z uwagi na odporność ogniową, Seria: Instrukcje, Wytyczne, Poradniki nr 409/2005, ITB, Warszawa 2005 (in Polish). EN-1052-1: Methods of test for masonry – Part 1: Determination of compressive strength.