Usually, drain pipes don't bust because they are never full of still water. If you let water drip slowly in cold weather though, ice could accumulate.
F*n
3 楼
PVC会不会被冻得易脆?这里冬天温度最低可以到5F左右。
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【在 m*******p 的大作中提到】 : Usually, drain pipes don't bust because they are never full of still water. : If you let water drip slowly in cold weather though, ice could accumulate.
m*p
4 楼
all plastic gets brittle with cold temperature. the following helps 1. deep enough 2. add insulation if possible 3. with enough slope to let water out quickly