Waterproof Stitch Bonded Fabrics has been greatly simplified in operation, and has great magical effects in construction. 1) Liquidation of the lower level: The outside should be flat, clean, and dry. The detailed structure should reach the plan request. If there is any defect, the treatment should be stopped, and the waterproof construction can be stopped after passing the test. 2) Applying the lower treatment agent: Self-adhesive waterproof membrane lower layer disposal agent should be fully stirred after opening the barrel, and evenly painted on the lower layer with a roller brush (reference dosage is 0.2kg/m2). Pave the self-adhesive waterproof membrane after the lower treatment agent is completely dry. 3) Node disposition: Pipe roots such as rainwater pipes, piercing pipes, etc., need to be sealed before laying additional layers; corners such as male and female corners, flat facade corners, and additional layers; expansion joints, construction joints…