How to Choose a High Quality Drainage Membrane

How to Choose a High Quality Drainage Membrane

Drainage membranes are an essential component of any below-grade commercial foundation system. They protect waterproofing systems and provide a means to discharge water and diffuse hydrostatic pressure. They are also easy to install, making them a cost-effective alternative to sheet membranes.

Non-woven drainage membranes like Draintex are pre-treated to improve mechanical strength and dimensional stability. The membrane also goes through a process known as calendaring to produce a smooth surface.


Drainage membranes are used in a variety of applications, including landfill sites to prevent harmful substances from entering the surrounding area and as barriers in water removal systems. They are more durable than rock and soil, and can be easily installed in less time. This makes them a modern alternative to traditional drainage solutions.

The pre-treatment process is critical to maximizing the lifetime of the drainage membrane. It ensures that the system can operate reliably by minimizing foulant accumulation. Foulants can be inorganic, organic, or both, and can cause damage to the membrane. This can lead to reduced flow rates, increased permeability, and loss of performance.

There are many different methods for treating wastewater before membrane separation. Physicochemical methods such as coagulation and adsorption are often used to treat wastewater with high solid content. These methods can reduce the amount of chemical usage and increase the water recovery rate.

Another method for preventing fouling is to use a biofouling removal process. This involves using a high-pressure air stream to destabilize and loosen the foulants on the surface of the membrane. It can also help reduce the membrane’s resistance to permeate flow. This is a cost-effective option, but it does require the purchase of air compressors. Alternatively, you can use sponge balls to remove foulants. These are available in a variety of sizes and can be used on tubular membranes.

Mechanical strength

The mechanical strength of drainage membranes is important to their longevity and ability to perform. They must be strong enough to withstand stress and other conditions during construction, which can cause the membrane to stretch or even tear. There are various treatment processes that drainage membranes can go through to improve their mechanical strength and allow them to function optimally.

Depending on the fabric type and treatment, drainage membranes can be used in many different applications. One common example is wrapping a poured concrete wall. This High quality drainage membrane helps prevent seepage, keeps the foundation dry and mold free, and allows water to flow into a fabricated drainage system where it can be managed safely. Another use is directing the flow of water into sewer or stormwater systems, preventing ponding and flooding.

Drainage membranes are also used in the insulation of walls and other structures. This protects them from moisture, water vapor, and gases like Radon. The membranes are also designed to be durable and long-lasting.

TERRAM drainage geocomposites create easy-to-install replacements for traditional granular layers. They are available in woven and non-woven options. Woven monofilament fabric withstands excessive abrasion from HDPE Dimple Geomembrane applied overburden and prevents entrance into the drainage core. They are ideal for receiving directly poured concrete topping and are great for horizontal plaza roof decks and between-slab drainage applications.

Flow rate

Flow rate is one of the key factors in membrane performance. It determines the amount of salt that passes through the membrane and how much water is produced as purified product. This is a function of the concentration polarization, which varies with the concentration of draw solution (cdraw) and feed water composition. In addition, it can be affected by temperature, feed pressure, and the type of membrane.

Membrane manufacturers use computer-generated performance projection software to calculate an optimal membrane array design based on a range of conditions. This helps minimise fouling and scaling, while ensuring that the required permeate quality is achieved. In addition, the software takes into account osmotic pressure requirements and concentrate stream solubility numbers (LSI, SDSI) and predicts salt passage rates and pressure difference.

High-performance drainage membranes are designed to keep moisture from seeping into the structure and can be installed in horizontal or vertical applications. They are made from different types of plastics, rubbers, and composite materials. They are easy to install and provide an excellent waterproofing solution for commercial projects.

A drain membrane is a geotextile that is used in landfill leachate collection systems and in waste containment applications. It is more cost-effective than using rock and soil for drainage piping in these applications. These products also help reduce the risk of contamination and groundwater pollution.


The durability of a drainage membrane is important to the longevity of any construction project. It must be able to withstand the weather and construction processes, as well as resist damage from chemicals and UV radiation. In addition, it must be able to withstand mechanical stresses.

The geotextile fabric used in a foundation drain membrane is often pre-treated to improve both its mechanical and dimensional stability. This process increases the life of the membrane, and enables it to achieve maximum drainage efficiency. In addition, it helps to keep the soils together, which prevents water from clogging and increasing the drainage capacity.

In some cases, the membrane is also pre-treated to improve its durability against damage and abrasions caused by construction machinery or traffic. This prevents the membrane from becoming brittle over time, and it reduces the risk of puncture or tears.

A drainage membrane is a great way to keep your home safe and dry. It protects the basement from leaks and moisture, which can lead to mold and mildew. A good drainage system can also save you money by preventing structural damages and reducing the amount of time your basement is unusable. In the end, you’ll get a much healthier and more comfortable living space. This is why it’s so important to choose a high-quality drainage membrane for your foundation.