![]() I can sometimes offer a lawn turfing service in all areas of Southern England, where we have installed land drainage systems.ĭo not connect into the Foul drainage system: See the lawn care tips on the lawn care page. Hard work, but you will end up with a level well drained lawn Leave the tips of the grass showing and aerate. In most cases laying a new turf lawn over the completed drainage system won't be necessary, the grass will recover and the trenches can be seeded over, again, it is important to spread grit sand Not work in clay soils, more about this later.Īfter installing French drains it's important to spread grit sand over the lawn and aerate the surface.Īerating the whole area, including over the trenches, ensures surface water drains from the surface into the soil and drainageīefore laying new turf, spread grit sand over the whole area to be turfed, including the French drain trenches, and aerate the surface, Perforated plastic pipes (holes at the top or bottom, depends on who you ask ) came and went, Frenchĭrains still work. Why are they are called French drains? Although stone drains date back to the Ark, they are actually named after an American, Henry French a 19th-century judge,Īt the lowest end of the main trench dig out a soak away at least four feet deep filled with chunky gravel or clean rubble and link the main French drain to the soak away. Next loosely shovel three or four inches of clay free topsoil back into the trenches, slightly overfilling to allow for settling and making sure not to compact the soil.Įver since the Romans used gravel drains to solve drainage problems, not much has changed. Next shovel coarse gravel onto the landscape fabric, leaving a 3 or 4 inch space, and wrap the fabric over the top of the gravel. This keeps earth out of the gravel and allows water to I/e line the trench with heavy duty landscape fabric, for sale in the drainage shop. The side drains join the main drain at a 45 degrees angle and are spaced at 10 ft intervals for clay soil and 25 ft intervals for loamy soil.įill the drains with wrapped gravel. Then mark and dig out the side trenches to connect to the main drain, forming a herringbone pattern. Mark out and dig the main trench from the highest part of the lawn, to the lowest part.Ĭonnect to a Soak away, Sump, or Surface water drain. If lawns are waterlogged over the whole area, a French drain installed in a Herringbone pattern is your best bet. Why put up with a lawn the kids can't play on and mud you can't plant in. The drainage system takes about four days to install and the garden starts to drain immediately. This is the system we recommend and install on waterlogged clay based soil.īased on French drains, its installed under the existing turf or garden topsoil and solves water logging and other garden drainage problems, its easily the best drainage system for clay The only way to fix it, is to drain the water away from your lawn and garden. Installed your patio and retaining wall, without considering the effect on garden drainage. Runoff from neighbours.Ī lot of time and money can be spent trying to trace the source of the problem, leading to disputes with neighbours, surveyors, the builder who built the extension the landscaper who Probably one of the worst culprits are the old-fashioned non-permeable patios and driveways constructed using printed concrete. Structures you or your neighbour have added, like retaining walls, footings for extensions and swimming pools can all divert surface rain water and underground springs, causing water It is a common problem, not just for homes and gardens built on low lying land, floodplain, clay or compacted soil. There are several causes for poorly or slow draining spongy soil. What causes water logging and surface water puddling problems? Necessity and for the past 10 years as a business. We know what we are doing, we can fix it. We have not suddenly appeared as a reaction to recent flooding of the Somerset levels and Thames valley or recent record rainfall, we have been installing French drains for many years, both as a In most cases without major hard landscaping or raising garden surfaces. With solutions that work, even on clay soil. We are garden and lawn drainage contractors specialising in draining domestic gardens, solving waterlogging, soggy lawns, boggy soil and surface water problems
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