The thesis deals with the issue of explosion of exotic woods Red Meranti (Shorea acuminata), Iroko (Milicia excelsa), Zebrano (Microberlinia brazzavillensis), Bubinga (Guibourtia arnoldiana), Ipe (Tabebuia) and Wenge (Millettia laurentii). To the present day, it is the first and the only one solution based on our research and experiments of the explosion issue of these exotic woods dusts in Slovakia. Dust samples were produced by using an electronic belt sander Parkside PBS 900 C3 working with a sandpaper of granulation 80. Subsequently, we have experimentally determined the relative humidity, the bulk density, the lower explosive limit and the thickness of the dangerous layer. Dust samples of woods Ipe, Iroko and Zebrano were determined with the lowest value of the lower explosive limit which was 10 g/m3. The lower explosive limit represents the lowest concentration of an explosive atmosphere at which an explosion occurs. The smallest thickness of dangerous layer was specified also for the Ipe wood dust, whereupon we have determined that Ipe wood represents the highest rate of danger of explosion.