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Combined with the actual construction , will discuss their views on superficial waterproofing roofing project. First, roofing technology

The construction method ( a ) setting and construction of sub-grid sub-lattice seam should be set on the support side seam roof , the house

Faces turning point , projecting roof waterproof layer junction and should be aligned with the seam roof , the waterproof layer due to the temperature difference

Waterproof layer cracks impact , concrete shrinkage deformation caused by other factors , concentrated in sub-grid joints , in order to avoid cracking of the board

. Set grid spacing of joints should not be too large , when more than 6 meters , should be to set up a "v" -shaped sub-lattice seam in the middle , sub- grid

Depth preferably waterproof seam thickness throughout . When the sub-lattice seam doubles exhaust tract , joints may be appropriate to widen and set exhaust

Outlet hole , when the roof with petroleum , asphalt , linoleum for waterproof layer, sub-grid joints should add 200 mm to 300 mm