Danosa?Caribbean, Inc., established in Puerto Rico since 1978, is one of the pioneer companies in the American Continent that manufactures SBS modified asphalt roll roofing membranes. Danosa also supplies all related products for waterproofing roof, floors, decks, walls and below-grade surfaces.  Ecological & environment concern, lead Danosa to develop an environmental friendly system known as Green Roof and to include renewable energy systems.