The first phase is a cement matrix, based on Portland cement. These composites are characterized by two phases. This paper analyzes a ventilated facade with external facade cladding made of fiber cement boards, which are classified as fiber-reinforced composites. External facade claddings can be made of very large elements, e.g., the standard size for fiber cement boards is 1.25 Г— 3.10 mm 2, and for HPL (high-pressure laminate) boards, 1.85 Г— 4.10 mm 2. Due to good aesthetics and durability, a ventilated facade is increasingly used as a technical solution for the external multilayer walls of newly constructed buildings, but it also performs well in the case of buildings undergoing renovation. Ventilated facades allow the facade cladding to be made with different materials, structures, textures, or colors. Ventilation slots supply air to the ventilation air space, and should be at least 50 cm 2/1 m facade, assuming they are at least at the base point and at the edge of the roof. This is ensured not only by the dimension of the ventilation space but also by an appropriate number of ventilation gaps, allowing air to enter this space. The most important parameter, independent of the dimension of the ventilation air space, is an appropriate possibility of airflow through the air gap. It may be reduced locally to 5вЂ“10 mm, depending on the cladding and substructure, provided that the performance function of the complete system is not affected. The air gap, also called the ventilation air space, should be at least 20 mm according to ETAG 034-1 the literature also provides information that the ventilation air space should be in the range of 20 mm to 50 mm. The most important element of a ventilated facade is the air gap between the external cladding facade and the insulation layer (mineral wool or stone wool), or the supporting wall if no insulation layer is used. The standard that sets requirements for a complete ventilated facade system is ETAG 034-1, and the individual components of the whole system must additionally meet national requirements. A ventilated facade is a complete set of individual components that make up a system solution. External facade cladding does not ensure the airtightness of the building, but only to a certain extent ensures the protection of the external surface of the supporting wall to which the facade is fixed. They are non-load-bearing elements, bearing only their own weight and environmental impacts such as snow, wind and temperature. Facade cladding is usually installed in accordance with the individual technical design of the facade and the requirements set out by the product manufacturer. External facade cladding can be made of a variety of materials, e.g., fiber cement boards, concrete slabs, steel elements, ceramic and other composite elements. The subframe is mechanically attached to the exterior structural wall of the building. It consists of an external facade cladding that is mechanically or adhesively attached to a subframe. It also allows easy reference to results in other literature.ДЄ ventilated facade is a modern technical solution for the exterior part of a multilayer wall. The three-point bending flexural test was chosen because it is a universal method for assessing fiber cement boards, cited in Standard EN 12467. Subsequently, three-point bending flexural tests were performed and the effects of temperature and the integrals of temperature and time functions on the samples were evaluated. Samples were taken from external facade cladding materials that were mounted on the model at specific locations above the combustion chamber. This paper analyzes the effect of fire temperatures on facade cladding using a large-scale facade model.

Fiber cement boards are fiber-reinforced composite materials, mainly used for facade cladding, but also used as roof cladding, drywall, drywall ceiling and floorboards. For this study, the authors used fiber cement boards as the facade cladding. However, the problem of the destruction during a fire of a range of different materials used in external facade cladding is insufficiently recognized. One technical solution for external walls-a ventilated facade-is gaining popularity and is used more and more often. Such a model is a reliable source of knowledge about the behavior of facade cladding and the way fire spreads. Fiber cement boards were put under the influence of fire by using a large-scale facade model. The paper analyzes the issue of the reduction of load capacity in fiber cement board during a fire.

Fiber cement facade signage