装上好。下雨的时候差别挺大的。Regardless of what eavestrough company you use, once you install it voids the warranty on the roof. This is why we inform most homeowners not to do anything until after the 1st year.
The shingles are under a 1 year warranty – not a 2 year warranty – fyi.
以上是builder给我的回信。要不要装呢?纠结啊。。