Eavestroughs and Downspouts

Eavestroughs and downspouts are part of your roofing system as well as your homeʼs overall exterior water (rain and snowmelt) drainage system. More detailed information can be found in Chapter One “Exterior Elements” under the “Eavestroughs and Downspouts” section. Chapter One also explains the connection between roof drainage and basement leaks.

Drainage Issues

The amount rain an eavestrough can hold, move and drain will be lessened if there is debris (i.e., leaves, dirt and shingle particles) in the trough. The main problems associated with blocked or damaged eavestroughs and downspouts include:

  • Clogged downspouts that do not drain water properly, causing eaves to overflow and spill water on the ground around your home, which can leak into your basement;
  • Dented or bent downspouts that slow down the flow of water;
  • Settled debris and asphalt shingle particles that have washed down by rain and reduced the efficiency of the eavestroughs and downspouts.

Preventative Measures

To prevent these problems, eavestroughs and downspouts should be kept free of obstructions such as leaves and paper. Eavestroughs should be cleaned each spring as part of the homeownerʼs seasonal maintenance schedule.