Frequently Asked Questions and Facts About Our Outdoor Drainage Solutions
A French drain is a system designed to collect water from surface water and also beneath the surface in a capillary action. Our French drains are designed to where they never need maintenance. We use non-woven fabric that allow 90-120 gallons of water a minute to pass through 1 square foot of fabric. Our drain tile is virgin material with no containments. Most corrugated black 4- and 6-inch pipe is not virgin and has been made by using recycled plastics. They also have containments that make it weaker and doesn’t allow it to last as long.
A yard drain is a drainage basin connected to drainpipe and removes only the surface water. Typically, a yard drain has a grate on top of a containment area connected to the drain tile.
If improperly installed, a drain tile system can freeze. But by using corrugated pipe and sloping the pipe at the correct percentage, the water will never be moving slow enough to freeze until it exits the pipe if sloped right. Also, this pipe is under ground, there is no wind to freeze it faster.
Minnesota experiences freeze and thaw cycles. If you fill a PVC pipe with water and freeze it, it fractures and shatters. Corrugated pipe will expand and not crack or need replacement.
A blind inlet is a grate set on top of a French Drain to allow water to get into the drain faster. If you have an area in your yard where a lot of water pools, this is a good spot for it.
Grass only needs about 2-3 inches of soil to grow. If you use the correct soil (not clay) you can cover your French Drain and still keep that beautiful green yard. By using the correct soil and only 2-3 inches of it (4 -5 inches at max) the water can still travel through the ground and get into your French Drain.
When you are dealing with a very large volume of water and want to make sure the water is taken care of fast and efficiently, this is when you would use an open French Drain. The main part of the drain is still wrapped in fabric to avoid having any maintenance, but instead of soil over the top of the fabric you just use rock. Rock allows water to travel around it and into the French Drain faster than a French Drain covered with grass and a small amount of soil. Rock also still allows you to still have the manicured lawn look and get rid of the sogginess in a lawn.
Water from your down spouts can be dirty. Bugs, Leaves, dirt and stick can all get into your gutters and then travel down into your down spouts. We don’t want that contamination getting inside our French Drain. This will cause your French Drain to clog and fail. That is why we always run a separate non-perforated pipe all the way to the day-light or water containment area (storm sewers, driveways, drainage ditches etc.)
The black corrugated pipe you see all over is actually a recycled material from your everyday items. No matter how well they clean the plastic before it is recycled, it still has many contaminants. We’ve seen animals chew on the black pipe you see at your local Menard’s or Lowes and despite smelling the contaminants from being recycled. Our pipe is virgin material and will last a lifetime, ensuring that dry basement or lawn.
4-inch drain tile can handle up to 240 gallons a minute by just gravity feed. Most down spouts from average size roofs will never see more then 30-40 gallons a minute in even the worst storms.
In poor soil conditions, water drains very slow. Best Outdoor Services calculates how big of a drainage system your property needs using the 100-year 24-hour precipitation data from the National Weather Service. This means that in 100 years, this is the max rain fall received in 1- time interval of 24 hours. This should only happen once every 100 years. We calculate your square foot and convert it into gallons to design the right system for your yard. Going off of this
data, in Minnesota you would have to dig such a large drywell that it is not feasible or affordable.