タイトルまたは説明

It is a sort of B-fire rated door. It is a partially insulated door. It means that this door can prevent fire spreading in 0.5 hour, but it can not be hast-insulated more than half an hour. This door is suitable for ships/boats where moderate or light fire control is required. Excepting B*5 fire door, we also supply B0 fire door. More details, please contact us. We will serve you wholeheartedly.