1. The type, brand and ratio of polymer modified asphalt waterproof coiled material and cementitious material must meet the design requirements, relevant technical specifications and standard specifications.

2、卷材防水層及其變形縫，檐口、泛水、水落口、預埋件等處的細部做法，必須符合設計要求和屋面工程技術規范的規定。3、屋面卷材防水層嚴禁有滲漏現象。

2. The details of coiled material waterproof layer and its deformation joint, cornice, flashing, water drop, embedded parts, etc. must meet the design requirements and the provisions of roof engineering technical specifications. 3. Leakage of waterproof layer of roof coiled material is strictly prohibited.

4、鋪貼卷材防水層的基層應符合排水要求，平整潔凈，無起砂、空鼓和松動現象，陰陽角處應呈圓弧形，防水層無積水現象。

4. The base course of the coiled material waterproof layer shall meet the drainage requirements, be flat and clean, without sand, hollowing and loosening, and the internal and external corners shall be circular arc, and the waterproof layer shall be free of ponding.

5、膠結層應涂刷均勻，不得有漏刷和麻點等缺陷。

5. The cemented layer shall be brushed evenly without defects such as missing brushing and pitting.

6、卷材防水層鋪貼和搭接、收頭，應符合設計要求和屋面工程技術規范的規定，且應粘結牢固，無空裂、損傷、滑移、翹邊、起泡、褶皺等質量缺陷。

6. The paving, lapping and ending of coiled material waterproof layer shall meet the design requirements and the provisions of roof engineering technical specifications, and shall be firmly bonded without quality defects such as void crack, damage, slip, edge warping, blistering and fold.

7、應注意的質量問題：1卷材防水層空鼓：多發生在找平層與卷材之間，尤其是卷材的接縫處;原因是基層不干燥，氣體排除不徹底，卷材粘結不牢，壓得不實;應控制好各工序的驗收。2防水層滲漏：加強細部操作，管根、落水管口、伸縮縫和卷材搭接處，應做好收頭粘結，施工中保護好接槎，嵌縫時應清理干凈，使干凈的接槎面相粘，以保證施工質量。3積水：屋面、檐溝泛水坡度做的不順，坡度不夠，屋面平整度差;施工時基層找平層、泛水坡度等應符合要求。

7. Quality problems needing attention: 1. Hollowing of coiled material waterproof layer: it mostly occurs between leveling layer and coiled material, especially at the joint of coiled material; The reason is that the base course is not dry, the gas is not completely discharged, the coiled material is not firmly bonded and the pressure is not solid; The acceptance of each process shall be well controlled. 2. Leakage of waterproof layer: strengthen the detailed operation. The pipe root, outlet, expansion joint and lap joint of coiled material shall be well bonded, and the joint shall be protected during construction. When caulking, it shall be cleaned to make the clean joint surface stick to ensure the construction quality. 3 ponding: the flashing slope of roof and eaves gutter is not smooth, the slope is not enough, and the roof flatness is poor; During construction, the base leveling layer and flashing slope shall meet the requirements.

<strong>屋頂防水驗收方法：驗收順序：基層表面清理、修補→涂刷基層處理劑→鋪設節點附加層→試鋪→鋪貼卷材→收頭處理、節點密封→清理、檢查、修整→蓄水?

< strong > roof waterproof acceptance method: acceptance sequence: base course surface cleaning and repair → brushing base course treatment agent → laying node additional layer → trial paving → paving coiled material → end treatment and node sealing → cleaning, inspection and repair → water storage?

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