SLEEV-IT Fire Systems are a major manufacturer of penetration pipe seals or fire collars for construction and marine applications.SLEEV-IT Fire Systems Ltd are fully approved to EN-1366 for construction applications and are also fully approved to A-60 by Lloyds Register, DNV, Bureau Veritas, Rina, Germanischer Lloyd, ABS and US Coastguard for all types of plastic pipes.SLEEV-IT penetration pipe seals or fire collars are the quickest and easiest penetration seals to fit.It takes just 5 minutes to fit a SLEEV-IT pipe seal, it is that easy.Only one SLEEV-IT fire collar is required on any side of an A-60 steel deck or bulkhead.SLEEV-IT marine products include;Penetration pipe seals for PE, PB. PPr, ABS, uPVC and multilayer plastic pipes from 16mm up to 225mm dia.Transition collars from steel to plastic pipes;Ventilation pipe collars for use with spiral steel pipesCable transitsConstruction