Splash Blocks and Drainage
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Splash blocks, downspout extensions, gutters and yard drainage for keeping roof water away from your foundation. Every downspout should empty onto a splash block or extension that carries water several feet from the house, onto ground that slopes away; the model building code (IRC) calls for at least 6 inches of fall in the first 10 feet in most cases. Water that pools against the foundation leads to wet basements, mold and settling. Better still, send downspouts to a rain barrel or rain garden, or onto a lawn, never onto a neighbor's lot, a driveway or the street; some towns have stormwater rules about where runoff can go. Call 811 before digging drains. Companies below are commercial.
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Links last checked Oct 18, 2026.
| Text Only | Markdown | whois | history | safety | sitesearch | Google AI Mode | Grok | Bing AI | |
|---|---|---|---|---|---|---|---|---|
| Drainage and stormwater guidance (start here) | ||||||||
 epa.gov - EPA Soak Up the Rain: disconnect and redirect downspouts |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| epa.gov (green infrastructure) - EPA: green infrastructure, rain gardens and permeable paving |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| epa.gov (mold) - EPA: a brief guide to mold, moisture and your home |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| epa.gov (rain barrels) - EPA: rain barrels |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| epa.gov (runoff) - EPA: polluted runoff (nonpoint source pollution) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| epa.gov (stormwater) - EPA: NPDES stormwater program (your town may have its own runoff rules) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Codes and inspections | ||||||||
 811beforeyoudig.com - Call 811 before digging a French drain or burying a downspout line |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 iccsafe.org - International Code Council: IRC grading and roof drainage rules |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 nachi.org - InterNACHI: find a certified home inspector to check grading and drainage |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Gutters, downspouts and gutter guards (commercial) | ||||||||
 amerimax.com - Amerimax gutters, downspouts and splash blocks |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 englertinc.com - Englert gutters and metal roofing |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 gutterglove.com - Gutterglove gutter guards |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 gutterhelmet.com - Gutter Helmet |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 guttersupply.com - GutterSupply: gutters, downspouts and parts (on the old page) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 leaffilter.com - LeafFilter gutter guards |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Drains, pipe and downspout extensions (commercial) | ||||||||
 adspipe.com - Advanced Drainage Systems: drain pipe and NDS catch basins (ndspro.com now goes here) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 amazon.com - Amazon: splash blocks and downspout extensions |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 homedepot.com - The Home Depot: splash blocks, downspout extensions and drain pipe |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 lowes.com - Lowe's: splash blocks and downspout extensions |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 menards.com - Menards |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 zurn.com - Zurn drainage |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Splash blocks and precast concrete (commercial) | ||||||||
 all-starconcrete.com - All-Star Concrete: precast splash blocks, Texas (on the old page) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 gcpconcrete.com - GCP: stepping stones and precast, Tennessee (on the old page) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
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