1. Zangga qarshi ishlov berish galvanizli quvur yuzasida amalga oshirilishi kerak.
2. Payvandlash portini silliqlash va tekislash kerak, so'ngra zangga qarshi bo'yoq bilan bo'yash kerak.
3. Agar payvandlash paychalarining zangga qarshi qatlami payvandlash va kesish jarayonida shikastlansa va zangga qarshi ta'sirga erishilmasa, payvandlangan qo'shimchaning notekisligini macun bilan to'ldirish kerak, so'ngra anti - zang bo'yoq.
