The french drain will be installed under the patio like in the picture below and after that the pavers will be reset at this point i have two choices.
French drain around paver patio.
What happens if water doesn t drain off your patio.
To keep the french drain free of dirt silt and tree roots lay water permeable filter fabric or weed barrier over the gravel bedding in the trench.
This should be installed around the edges of the patio then a drainage line can be run from there to a place of your choosing.
Catch basin french drain and channel drain in and under pavers is an easy do it yourself project.
The french drain then carries the water to where you want it.
Learn how to do it and save yourself a.
Use stakes to indicate the drain s path.
To be effective tilt the base about 1 4th of an inch for each linear foot moved.
Drain path and trench the french drain should run from the patio area where the water pools to a lower spot on your property.
Remove standing water from around your patio.
4 pour the gravel bedding.
If water stays longer than it should you might think about installing a patio drain and connect it to a pipe that leads to a ditch or sewer.
How to build a french drain for a patio.
A french drain with catch basins.
Dig a channel or trench to a depth of about 18 to 24 inches and depending on the size of the drainage pipe 6 to 12 inches wide.
If you have concerns about the grading slope of your yard or are not sure about the best location for a french drain you should consult with a landscaper or garden designer.
Add a 50mm layer of bedding aggregate to the bottom of the channel.
Do it yourself install a patio drain.
Ensure your channel maintains a fall of 1 to 80 checking with a spirit level for accuracy.
Dig a channel 500mm deep.
Leave the filter fabric open with at least 10 inches of excess fabric at the sides.
Make your own from a pvc pipe with holes in the bottom buried under the gravel that allows water to sink to the pipe once it hits.
Simple quick and guaranteed to work.
Filling and piping a french drain after.
It is recommended you slope the base of the patio at an angle so that water will flow away from it.
The width of your trench should also be wide enough to fit your french drain in as well as at least 25mm either side.
If you re installing a french drain around your foundation to prevent basement moisture take care to position the pipe below slab or finished floor level.
You can install a french drain at the edge of the patio downslope to do this.