Polymethylmethacrylate (PMMA) is a thermoplastic material characterized by: clearness, high impact resistance, aging resistance, optical purity, permanence, easy to work with and easy to thermal forming. Plexiglas® is very similar to glass but with extra characteristics which have allowed to replace the latest in numerous uses, in fact it is also called “acrylic crystal”. Plexiglas® is clearer, more resistant and also lighter than glass. It can be used for outdoor spaces thanks to its resistance to any weather condition and because it doesn’t get yellow with the passing of time. Thanks to its surface without pores, it accumulates much less dirt in comparison to other materials, and allows for a higher level of details. Plexiglas® is suited for a vast range of processing and products with implementation both in industrial components and in accident prevention items, safety glass, and for the production of furnishing, advertising display or shops and indoor areas fittings. In comparison to other materials Plexiglas® has more aesthetic value, nevertheless it cannot be used a structural element when temperature is constantly higher than 60 degrees Celsius if appropriate measures are not taken into consideration.