All guides

Exterior Drainage & Grading: Materials Checklist

5 min read·Updated July 7, 2026

Gutters, downspout extensions, French drains, and grading — the materials list for keeping water away from your foundation.

The drainage stack

  • Gutter guards (mesh or reverse-curve)
  • Downspout extensions (flexible or rigid, 3–6 ft to move water away)
  • 4" perforated corrugated pipe for French drains
  • Landscape fabric + drainage rock (¾" clean or #57 stone)
  • Pop-up emitters at drain terminations

When to call a pro

Anything involving trenching more than 12" deep near foundation, sewer, or utility lines. Call 811 before you dig.

Skip the checklist

Let Matly build this list for you.

Upload a photo or contractor quote — get a full materials list in 60 seconds.