Geotextile Membranes For Infiltration

We stock a wide range of woven and non-woven geotextile membranes from a variety of reputable manufacturers. Our selection of non-woven membranes are used in drainage infiltration applications, where they are wrapped around the outer faces of a soakaway crate in order to allow the stormwater stored within the crate to be dispersed into the surrounding soil at an appropriate rate and protect the soakaway structure.

Non-woven geotextile membranes have less load-bearing strength than woven membranes, but they provide a higher of infiltration rate as they allow for water movement whilst also blocking soil and sand particles from entering the crates, ensuring maximum system efficiency.

What is infiltration drainage?

An infiltration drainage application is used for holding stormwater underground and allowing it to disperse, or infiltrate into the surrounding soil at a controlled rate with the highest quality of water possible. Stormwater usually enters the system from the guttering of a property, once it flows through the downpipe and into the underground drainage pipes, it can enter an infiltration system.

An infiltration system will most often start with a pre-filter that removes any silt or fine sediment in the water, before allowing it to flow into the main part of the system, that being a soakaway crate wrapped in a membrane. The crate is where the water is temporarily stored and the membrane surrounding it ensures not only that the surrounding soil does not make its way into the system but also that the stormwater leaves the system at a controlled rate.