Is there a casing for the overflow of the roof parapet?

1, the height range of waterproof layer should be cast-in-situ with the top and bottom plates at the same time; If the summer-planting part cannot be poured at the same time, the concrete laitance must be removed and fully wetted before pouring.

2, parapet should use concrete, waterproof layer height range shall not be embedded wall screw casing.

3. The parapet should be provided with grooves or overhangs, and the height should consider the thickness of ground construction practices to avoid insufficient waterproof sealing height.

4, coping must pick out the insulation layer covering the external wall, and reserve the inner drip hole.

5. The waterproof layer should be pasted on the structural base (the structural base should be repaired and polished to ensure flatness).

6, the top of the parapet should be as far as possible with the main structure of a casting molding of reinforced concrete coping, and can use aluminum alloy coping; The top of the parapet should tilt inward.

7, balcony parapet or column, villa parapet or column, parapet must use reinforced concrete.

8. Prohibition: ① Masonry is prohibited within the waterproof layer height of the lower side wall. (2) The internal and external insulation layers are strictly forbidden to be flush with the top of the parapet to form an air seam. (3) It is forbidden to paste the waterproof layer outside the insulation layer. (4) It is forbidden to bend the waterproof layer at the internal corner of the roof in the shape of eight or 90 degrees. (5) The top slope shall not be less than 5%. ⑥ Nailing is prohibited in insulation construction on waterproof layer.