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How deep do the trenches for a lawn sprinkler system need to be in a cold climate that experiences deep freezes?

0-6 inches deep
2%
6-12 inches deep
23%
12-18 inches deep
28%
18-24 inches deep
15%
24+ inches deep
2%
It depends on the frost line in that area
17%
Not sure
10%
Next Question
Question: How deep do the trenches for a lawn sprinkler system need to be in a cold climate that experiences deep freezes?
Top Answer (28% of 46 votes): 12-18 inches deep.

Answer: 6-12 inches deep
Explanation: In colder climates, your sprinkler lines should be buried deeper to remain below the frost line.
LawnScapes
Answer: 6-12 inches deep
Explanation: That depends on the part of the country you live in.
Pro Cuts Lawn and Irrigation Service
Answer: 6-12 inches deep
Explanation: Lawn sprinkler systems are winterized before the winter weather comes to town, so not to worry in colder climates...Just make sure you winterize the backflow, mainline and all lateral lines before the big freeze.
TANZ Inc
ProMatcher
Answer: 12-18 inches deep
Explanation: You must bury the pipes below the frost line in the soil to avoid the pipes from freezing and bursting.
Lawn Saver Irrigation
Answer: 6-12 inches deep
Explanation: we blow out system of all water when it gets cold
vetorinos landscaping and irrigation,llc
Answer: 12-18 inches deep
Explanation: In a freezing climate we winterize the system before it freezes so depth to climate is irrelevant. We keep them about 12" regardless.
Nuss Property Management
ProMatcher
Answer: Not sure
Explanation: My company sells building fire sprinkler systems, not lawn sprinkler systems.
SimplexGrinnell
Answer: 18-24 inches deep
Explanation: As long as you make sure to blow out your system at the end of every year before the first deep freeze it will not make a difference in the depth
Stricklins Landscaping
Answer: Not sure
Explanation: I have no experience with colder climates but would guess that 12"-19" would suffice.
Accurate Waterfalls & Irrigation
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Related Questions

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When is the best time of day to run my sprinklers?Top answer: Morning (two hours before dawn)

Does a sprinker system water a lawn more efficiently than manual watering?Top answer: Always

Are permits required to install a lawn sprinkler system?Top answer: It varies by jurisdiction

What type of backflow prevention device is the most reliable for a sprinkler system?Top answer: Pressure vacuum breaker

Related Topics

Lawn Sprinkler Installation
Winterizing Lawn Sprinklers


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