Fire-resistant pur foam is used in cases where greater flame protection is required. Hardly flammable foam is used for electrical installations, penetrations, fire doors and vaults. Flammability class: B2. It is used in construction for sealing, filling, insulation, assembly and installation (electrical installations, penetrations, fire doors, vaults…), especially in cases where greater fire resistance is required. Fire-resistant foam contains environmentally friendly flame retardants that resist fire for a certain period of time when directly exposed to it. It also provides very good heat and sound insulation.