Prefabricated panel with protective film

With a protective film vertical block, a plate (1) comprises, a first hard plate of the baffle plate is a continuous, are connected via the back plate for bearing the first heat insulation layer (3), and first heat insulation layer (3) anti-permeation compound layer (4), and anti-permeation the lower part of the second insulating layer (5) and second hard plate (6); the cover plate and second insulating layer, the is characterised is a thin film (8); the film cover of the anti-permeation air bag main body are sleeved at least one part; the part where cover is the second insulating layer, wherein the film (9) and at least is close to comprising at least one protecting part of the protecting part exudationThe part (11), wherein the protecting part and as that is processed from of the anti-permeation compound layer each other is separated from part are independent.