What’s inside the fire doors – Let’s consider the fire door in the section. Any fire door certainly has an inner and an outer layer . The main “internal” materials – thermal insulation ( to the front door as much as possible not ignited ) . The outer side of the front door – metal […]
Fire doors – especially in the selection. What material do fire doors ? – Fire door is considered the most popular products among the whole range of this kind of goods. It protects the room from the fire for half an hour or 90 minutes. Fire doors are a design which is included in the […]
