The Lorient Intumescent Seal offer fire protection where no smoke sealing is required. Combine a fire seal with a Batwing® seal for acoustic smoke containment. Available in a choice of sizes to cover 30 60 minute applications, the fire seal also includes integral antimicrobial protection. Test Evidence Fire: BS EN 1634-1: 2008. Fire: BS 476-22: 1987. Performance Protects against fire. Integral antimicrobial protection. Certifire Approved (CF330 & CF341)