Transfer Of Heat Doors

Doors are designed to delay the transfer of heat from one side of the door to another . Full-Flush Doors an interlocked, hairline seams on vertical edges and have no visible seams on faces. Doors specified “seamless” have no visible seams on faces or vertical edges. Face sheets are totally supported by special core used to cover the entire door to delay the heat transfer from one side to another to avoid burning of people during escape from fire, top and bottom door edges are closed by 1.5 mm inverted steel channel welded in place.