Customer Question & AnswerSENLIN Steel frame Timber Doors combine Fire Resistance with DoorFunctionality without compromising any aspect of both therequirements. These types of Doors reduce the Spread ofFire and enable Safe Egress, in-addition to offering highestdegree of Compartmentalization. These types of Doors arehighly preferred in all types of Buildings, nowadays, to offerSafe and Secure living and Egress. Our Technical Team isalways available to offer advice and planning for your projects.Standards & Certifications:ANSI/UL 10(c) (2009)ANSI/UL 10(b) (2009)NFPA 252 (2003)CAN/ULC S104 (2010)ProductListed- SENLIN fire rated door with hose streampositive pressure tested.UL door certificate Number-- R27582UL door certificate Number -UL lite frame certificate Number--Fire ResistanceLouvers -- max size 4'0"x8'0";Swing -- Single SwingViewer-- LISTEDAvailablein three ply board and plywood surface materialEachfiredoorhasalabelattachedindicatingthefiretestrating.ULlabeleddoorsfor30,60,minutes.Coreoptional:perlite board.Factorypreparedtoreceiveallhardware with UL listedAvailableinsingle doors.Size:Single4'0"x8'0";Availableinprimed,paintandwoodgrainfinish.ProvidesfullsetofULlistedhardware.