Can french drains be added to a concrete patio, after the fact to fix flooding issues?Answer
An easy way to create a drainage channel along its edge is by moulding a concrete strip using a length of plastic guttering.
- Top tip - Drainage in the middle of a patio. ...
- Put a length of timber the required distance from the paved surface (in this case, slightly wider than the guttering used to mould the channel).
Answers provided for informational purposes only – not intended as professional advice on any particular situation. This site disclaims all liability for Answers.