luoying explains the welding requirements of flexible waterproof casing.

1 . Welding, please remove the flange gland and rubber seal of the flexible waterproof casing in advance to avoid deformation or melting of the rubber seal caused by high temperature during work.
 
2 . Steel structure should ensure that the flexible waterproofing casing water stop wing ring is in the right position, welding directly around the wing ring.
 
3 . When the length of the flexible waterproof casing is greater than the thickness of the wall can be partially thickened and lengthened concrete thickness outside the inner or outer wall; 4 .
 
4 . Pre-embedded welding to ensure that the internal and external sealing is good, no water or debris; 5 .
 
5 . Welded parts such as spray paint should be removed from the paint, can make the flexible waterproof casing and welding rod and concrete effective combination.