Blog · Gutters · 4 min read

5-Inch vs 6-Inch Gutters for NH Roofs

· New Hampshire exteriors

A steep roof with a long run can overwhelm 5-inch troughs in a cloudburst. Sizing is math — not a default catalog pick.

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When 5-inch works

  • Modest roof area per downspout
  • Moderate pitch
  • Good outlet spacing

When 6-inch earns its keep

  • Large or steep slopes
  • Heavy rain plus leaf load
  • Few downspout locations due to architecture

Pair with outlets

Bigger troughs still overflow if outlets are too few or drains are clogged.

We size trough and outlets together on the proposal.

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