Litra USA is an American company specialized in patio covers, sunrooms, canopies and retractable roof systems. After years of experience and researches Litra USA has created an exclusive covering system that we has been internationally patented under the name of "M.A.N.T.T." System. Our system is admired and used by many international architects in their planning for manufacturing moveable retractable patio covers which are windproof, waterproof, snowproof and option off soundproof, snow melting, anti-seismic, anti dew and humidity and insulated. With innovative Litra&＃39;s system we can easily create new working and living spaces, covering any open space with a combination of style, elegance and high technology. Litra USA can provide the ideal solution for covers residential villas, swimming pools, terraces, airport entrances, shopping malls, sport centers and much more. Litra USA vast range of products has been expressly designed to provide customers with the best patio covers solution at a competitive price. Please visit our website to know more about our company and products and view our impressive gallery of works.International Patents nr:UK1314829 - USA 10/573648, Worldwide PCT IT 000463 - P1314829B1, AU 2004220722, DE 60201004T2. "M.A.N.T.T." identifies an internationally patented technological system that integrates the telescopic coverings for exteriors. The M.A.N.T.T. System (acronym for the Italian equivalent of " Anti-Snow Mechanism for Telescopic Roofs") is a mobile covering suitable for use in any place and any weather condition. As a consequence of all the innovations brought about in the external coverings planning field, it has been soon adopted by worldwide engineers who needed to plan structures capable of resisting extremely high temperatures, strong gusts of wind (insulation up to 140 mph), snow, rain, hurricanes and earthquakes.