Install an in-ground sprinkler system before new sod goes down, not after — that’s the order every irrigation contractor recommends, because trenching through freshly rooted sod damages the roots you just paid to establish. If your sod is already down and you still want automatic irrigation, the standard guidance is to wait until the roots are established, roughly 2-3 weeks, before running trenches.
Should You Install a Sprinkler System Before or After Sod?
Before, whenever it’s practical. Installing irrigation on bare, prepped soil means the contractor can dig, lay pipe, and set sprinkler heads without cutting into anything living. It’s also the cheaper order — there’s no existing lawn to protect, patch, or work around, and no risk of an uneven trench line showing through your new grass later.
The tradeoff is timing: irrigation installation and sod installation are two separate jobs from two separate trades, so they need to be sequenced back-to-back on your property, not booked independently. If your schedule or budget only allows for one crew at a time, sod first with hand or hose-end watering is still a completely normal way to start a new lawn — sprinklers can always follow once the roots are in.
If Your Sod Is Already Down, How Long Do You Wait to Install Sprinklers?
General irrigation-industry guidance is to wait roughly 2-3 weeks after sod is laid before trenching for a sprinkler system, which is around the same window sod typically needs to knit its roots into the soil beneath it. Trenching any earlier risks tearing out the shallow new roots along the trench line, leaving a visible strip of dead or stressed grass right where the pipe runs.
Does Sodding Company Install Sprinkler or Irrigation Systems?
No. Sod installation is the only service we offer — not one line item among several the way some competitors bundle mowing, snow removal, hardscaping, and irrigation together. That focus is also why our take-root guarantee can be tied to a specific, defined watering routine instead of vague language: we know exactly what our sod needs, whether you’re meeting that need by hand, with a hose-end sprinkler, or with a professionally installed automatic system.
Does an Automatic Sprinkler System Affect the Take-Root Guarantee?
Our guarantee is tied to following the watering routine in our New Sod Care Guide — 2-3 times daily for the first two weeks, tapering down over the following weeks as roots establish — not to which tool delivers the water. An automatic system that’s programmed to hit that schedule is fine; the guarantee cares whether the routine was followed, not whether a human held the hose. What isn’t fine, under any watering method, is skipped or inconsistent watering, which remains one of the things that can void coverage.
Does Digging for Irrigation Disturb the Grading Under New Sod?
It can, which is another reason irrigation crews prefer bare soil. Every one of our installs includes proper grading for drainage before sod goes down; a trenching crew working after the fact should backfill and tamp each trench carefully so they aren’t reintroducing low spots or uneven settling into a lawn that was graded correctly to begin with. If you’re planning irrigation work on an existing sodded lawn and notice new pooling or soft spots along the trench lines afterward, that’s worth raising with your irrigation contractor first — see our guide on drainage problems before sodding for what normal grading is supposed to prevent.
Sprinkler System Timing FAQ
Should you install a sprinkler system before or after sod?
Before, when your schedule allows it. Installing irrigation on bare soil avoids trenching through and damaging newly placed sod roots, and it’s typically the more cost-effective sequencing for both trades.
How long do you wait to install sprinklers after sod is already down?
General guidance is roughly 2-3 weeks, which is close to the same window sod needs to root into the soil beneath it. Trenching earlier risks damaging shallow, newly forming roots.
Does Sodding Company install irrigation or sprinkler systems?
No, sod installation is the only service we offer. We can tell you how irrigation timing interacts with our take-root guarantee and watering routine, but the irrigation installation itself is a separate trade.
Does using an automatic sprinkler system affect the take-root guarantee?
No, as long as it’s programmed to follow the same watering routine we provide. The guarantee is tied to following that routine, not to the specific tool used to water.
Sodding Company works throughout the Greater Toronto Area, from Toronto to Richmond Hill and Mississauga. Same fresh-cut sod, same take-root guarantee, wherever your lawn is.
Get Your Sod Installed Right, Sprinklers or Not
No site visit needed. Insured, WSIB-covered crews, fresh-cut Kentucky Bluegrass, and a written take-root guarantee on every install.
Get the sequencing right and your new sod’s roots stay intact.
