Roof pierces through waterproof construction of department

The utility model discloses a roof pierces through waterproof construction of department, paste the roof including one end, the autohension waterproof layer that the purlin held in the palm is pasted to the other end, and the autohension waterproof layer forms the first layer waterproof layer around the gap on purlin support and roof, the purlin asks upper portion to be fixed with and covers, on hide including holding in the palm fixed connection's ring cover with the purlin, ring cover integrated into one piece has the face that shelters from that sets up the slant under, shelter from the V -arrangement hem of the border formation infolding of face, the purlin asks the periphery around there being vertical water slinger, and integrative the taking shape in vertical water slinger top has the outer hem of rolling over of falling the V -arrangement, vertical water slinger is in and shelters from under the face, it is inboard that the hem of falling the V -arrangement is in the V -arrangement hem. The utility mo