When it comes to stormwater management, finding the right solution is crucial for maintaining the integrity of your property and the surrounding environment. Polycon, a leader in innovative drainage systems, is proud to introduce their latest product, the StormGuard. This groundbreaking stormwater management system offers a range of benefits and features designed to revolutionize the way we handle excessive rainfall and protect our communities. In this blog post, we will delve into the key benefits, features, and applications of Polycon’s StormGuard.

  1. Superior Performance and Capacity:

The Storm Guard is engineered to efficiently collect and manage large volumes of stormwater. Its high-capacity design ensures effective drainage, minimizing the risk of flooding and potential damage to infrastructure. With its impressive flow rate, the Storm Guard can handle heavy rainfall events, offering peace of mind during extreme weather conditions.

2. Versatility and Flexibility:

This innovative system is adaptable to various applications, making it suitable for a wide range of projects. Whether it’s residential, or commercial settings. the Storm Guard can be customized to meet specific needs. Its modular components allow for easy scalability, ensuring efficient stormwater management regardless of the project size.

3. Sustainable Design: Polycon is committed to environmental responsibility, and the Storm Guard reflects this dedication. The system incorporates eco-friendly materials and promotes sustainable drainage practices. It effectively captures pollutants, sediment, and debris, preventing them from entering natural waterways and minimizing the impact on the ecosystem.

Key Features:

Polycon’s Storm Guard sets a new standard in stormwater management, combining superior performance, sustainability, and versatility. With its efficient design, customizable features, and easy maintenance, the Storm Guard is the ultimate solution for effective stormwater management in residential, commercial, and municipal applications. Embrace the future of stormwater management with Polycon

  1. Catch Basin and Filter Technology: The Storm Guard forms a high capacity catch basin that holds stormwater runoff. It can be used with additional filtering technology, to capture sediments/oil/other contaminants, to ensure that only clean water is discharged into the drainage system, protecting water quality, and preventing pollution.
  1. Overflow Prevention Mechanism: To prevent flooding during heavy rainfall, the Storm Guard behaves an overflow prevention mechanism. This feature ensures that excess stormwater is safely diverted and stored, reducing the risk of damage to surrounding areas and infrastructure. By managing water levels effectively, the Storm Guard helps maintain the integrity of the drainage system.


  1. Residential Developments: The StormGuard is an ideal stormwater management solution for residential areas. It effectively handles rainwater runoff from driveways, and public pathways, preventing water accumulation and potential damage to foundations. Its customizable design allows for seamless integration into landscaping, ensuring a visually appealing and functional solution.

2. Commercial sites often face significant stormwater management challenges due to large impermeable surfaces. The StormGuard efficiently collects and diverts stormwater, mitigating the risk of flooding, erosion, and property damage. It is an excellent choice for parking lots, manufacturing facilities, and other high-traffic areas.

3. Municipal Infrastructures: Municipalities can greatly benefit from the Storm Guard’s robust stormwater management capabilities. It offers a sustainable solution for roads, public parks, and recreational areas. By effectively managing stormwater runoff, the system enhances public safety, protects infrastructure, and preserves the local environment.

Polycon’s StormGuard sets a new standard in stormwater management, combining superior performance, sustainability, and versatility. With its efficient design, customizable features, and easy maintenance, the StormGuard is the ultimate solution for effective stormwater management in residential, commercial, and municipal applications. Embrace the future of stormwater management with Polycon

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Are you new to the world of stormwater attenuation crates and don’t know where to start? With five main variations to choose from, each offering different features and benefits, it can be overwhelming. In this article, we’ll take a closer look at the different types of stormwater attenuation crates and their key benefits.

Stormwater attenuation crates are used below ground to manage surface water levels after heavy rainfall. Once installed, they work by capturing water during storms, retaining it in the tank, and redirecting it to a local body of water or storm drain at a controlled rate to avoid flooding.

show attenuation crates heavy duty

These crates are used in various environments, such as roads, car parks, shopping centres, sports stadiums, pavements, and more. The number of crates required depends on the storage size needed and can vary based on factors such as flow rate and soil type. Installation depth should be at least 2 meters below the ground to maintain proper filtration levels. It is important to be aware of regulations, such as a minimum of 2.5 meters away from boundaries and 5 meters away from nearby buildings, when installing stormwater attenuation crates. A percolation test should be carried out before installation, and the size should be based on a drainage calculation.

2m down attenuation

Here at Polycon, we supply the Polycrate. Below is an outline of the models and where they are best used.

PolyCrate HP and HPR – Underground drainage basins with PolyCrate HP and HPR have a basin depth of up to 20ft and allow the overlying surfaces to be used for the following purposes:

HS 25 rated surfaces access ramps for heavy goods vehicles access roads to industrial areas parking areas for special vehicles (truck mixers, fire engines)

PolyCrate STR – Underground drainage basins with PolyCrate STR have a basin depth of up to 14ft allow the overlying surfaces to be used for the following purposes:

HS20 / HGV 30 rated surfaces access roads to residential areas parking areas for cars and light vehicles cycling tracks

For more information on our different PolyCrates systems visit here.

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A sustainable sewage system for homeowners…

Drening is a water drainage system that limits surface water flow and instead promotes underground dispersion, resulting in better drainage efficiency within urban areas.

Drening is a practical and economical method of managing wastewater especially for homeowners. It is utilised for the effective sub-irrigation disposal of domestic wastewater. Drening is a perfect solution in residential areas that don’t connect to the main sewage systems as it manages waste accordingly. Additionally, if the property’s existing sewage system has insufficient capacity, it may be a useful supplemental solution.

Percolation, often referred to as sub-irrigation, is the basis for the solution. This method mimics the way wastewater is often distributed naturally, from top to bottom, in a bed known as a “percolation bed” that is made up of numerous layers of draining material. Drening ensures a quick and even infiltration in the subsoil. As a result of this, Drening is much more efficient than the often used micro-perforated pipes. The water drainage system provides improved percolation purification results. 

For more information on Drening, visit the product page here!

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installation of the drening water drainage system being installed into a homeowners garden/ residential area.
geocell water retention demonstration the quick facts discussed.

Have a read of these Geocell quick facts!

Geocell is a modular drainage panel for rainwater dispersion. In comparison to other surface drainage systems, the Geocell doubles the water dispersion. It has a high horizontal flow capacity in addition to vertical water flow. Because of this, water can flow horizontally without become saturated by the volume of water moving vertically.

Geocell’s bidirectional drainage system enables the removal of water from the soil, preventing surface flooding. Additionally, it protects the infrastructure, improves areas with poor drainage, and reduces subsurface water retention.

For more Geocell quick facts you can visit our product page here where you will find more information on how the geocells works, the material it is made from and how it can be installed. You can also watch the video below:

Individual installation guides can be found via our downloads page on our website or by following this link.

Alternatively go back to our blog page to read more about our products…

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Introducing the advantages of DrainPanel… However, using gravel takes up a lot of space and allows weights a lot, whilst also requiring a lot of mechanical equipment, transportation, and unsustainable materials.

Our solution to solve the issues contractors and ground workers face when using gravel, is by implementing DrainPanel. This system is a more sustainable and profitable alternative solution to gravel and comes with a handful of other benefits such as:

The DrainPanel is a versatile system:

DrainPanel has multiple different uses. The basin can be used for both rainfall infiltration and retention for reuse depending on the type of geotextile being used to cover it.

drainpanel is a versatile system

The DrainPanel has a 96% Retention Capacity:

DrainPanel holds 3 times the greater volume of void ratio. This allows you to retain more water with a basin size, replacing tons of unsustainable material with nothing but air.

The DrainPanel system can be handled manually:

The DrainPanel system is lightweight, which weighs around 10kg per module. There is no need for mechanical tools or lifting equipment. It can be handled and installed manually.

Drain Panel Installation Guide

Efficient Logistics and storage:

The DrainPanel is a stackable system. As a result of this, it requires 75 fewer lorry loads than gravel for a 450 m3 basin. This reduces storage space whilst also providing great savings, due to the DrainPanel being a much more efficient system in terms of logistics.

efficient logistic and storage of drainpanel

The DrainPanel is easy to inspect:

This is one of the main advantages of DrainPanel because gravel offers no way to inspect the system. With it being a hollow, plastic structure, it’s easy to manage and to unblock quickly.

inspectable hollow drain panel diagram.

To find out even more information on our DrainPanel why not check out our downloads section, here you can find.

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The PolyCrate system is a solution to handle the increased level of rainfall. This system is for the infiltration, attenuation and harvesting of rainwater. This can help to improve your ROI by minimising water-related harm and long-term maintenance expenses. Additionally, the water retention systems’ large capacity increases the resilience of both urban and rural infrastructure. PolyCrate is implemented in industrial and commercial locations with high vehicle traffic due to its superior mechanical resistance.

The Key features of our PolyCrate system:

The PolyCrate improves the resilience of urban spaces through the reduction of surface water runoff and the preservation of the natural water cycle in accordance with the SuDS (Sustainable Drainage Systems) strategy. Our goal is to reduce flood risks and the associated repair costs.

The PolyCrate system is modernised, fully inspectable and created to manage rainfall.  The unit is for the retention, infiltration, disposal, or reuse of rainwater.

PolyCrates internal structure is easily accessible for maintenance and inspection purposes, therefore we designed the PolyCrate to be fully compatible with a compact wheeled camera. This enters through the basin and is able to do a 360° video examination from any angle, direction, and level.

The PolyCrate holds three times as much water as gravel. We used experts to design a system that will present the least amount of clogging risk and the best possibility for maintenance.

One of the key points that we followed when designing the PolyCrate was to appropriately create it around the correct dimensions when referring to the systems underground basin. This ensures that the PolyCrate meets the wants and needs of projects. It also ensures that it meets the requirements of local rainfall parameters and the soil properties.

To find out even more information on our PolyCrate why not check out our downloads section where you can find.

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What innovative solutions does the PolyCrate bring to Water Management?

Polycrate is a new and innovative way to improve rainwater management and flood resilience. It has strong qualities that set it apart from current competitors and conventional water management systems thanks to the most recent engineering developments:

The PolyCrate is 100% inspectable:

The state of the basin can be easily inspected and examined during its lifespan thanks to the PolyCrate modules’ simple inspection and cleaning accessibility.

inside a PolyCrate showing how the chamber is inspectable to help solve blockages that ay occur in the future.

The PolyCrate has a 96% water retention capacity:

The PolyCrate container is hollow, plastic and an effective method for storing rainwater as it can hold three times as much water as gravel, crushed stone, or perforated pipes.

The Polycrate demonstrating 96% water capacity

Quick & easy installation and lightweight solution:

The modules can be easily lifted, moved, and installed by individual employees on site. This is a major benefit as it increases productivity as more can be done in less time and reduces the need for heavy machinery on site.

The polycrate demonstrating its lightweight components and easy installation

High Load Bearing Capacity:

PolyCrate’s SLW 60 load-bearing class makes it suitable for locations where there is heavy vehicle traffic as well as green or pedestrian areas.

Polycrate can withstand its load bearing class for heavy vehicle traffic as well as green and pedestrian areas.

Less Storage Space:

The PolyCrate’s components are modular and made to fit together seamlessly. This reduces the overall volume and of storage space. This might be an extremely important factor, especially for particularly small or difficult-to-access sites.

A Sustainable Choice:

The PolyCrate is highly effective when it comes to reducing surface runoff and maintaining the natural water cycle. This factor significantly enhances the resilience and sustainability of urban areas.

Read more about our products via our blog page

Introducing the benefits of the PolyCrate… The most frequently mined minerals on Earth are sand, gravel, and crushed stone. According to the researchers, there is between 32 and 50 billion tonnes extracted globally each year (mining.com). They depend heavily on transportation and have unsustainable sources, which harm local ecosystems and enhance CO2 emissions. The use of these materials has also increased over around 20 years by 60% however, we now we have a better solution to sustainable water management known as the PolyCrate.

Here are 8 benefits of the PolyCrate and what it has to offer:

A Sustainable Choice:

Gravel is a raw material. Briefly, raw material extraction and processing impacts the environment by causing things such as: water shortages, damage to ecosystem functions and global warming exacerbation. The PolyCrate is the perfect alternative solution made from 100% recyclable and reusable plastic.

recyclable product compared to the effects of using gravel as an attenuation solution.

Few Trips On The Road:

Transporting gravel is inefficient and costly due to the heavy-duty vehicles in comparison to the transportation required for the PolyCrate. Our PolyCrate is lightweight and stackable meaning it takes up less space and therefore fewer trips saving time, money and most importantly the environment.

environmental transportation of the polycrate comparing one trip in a lorry for the polycrate transportation to site to the 12 trips gravel would take to site.

Less Labour and Machinery resulting in Quicker Installation:

Equipment for mechanically lifting and compacting gravel is necessary however, individual workers can install PolyCrate by just setting and locking the components together. By reducing the need for heavy machinery, PolyCrate allows better productivity on site and reduce the installation time which is a huge benefit when working on small worksite surrounded by traffic.

Three Times More Effective:

PolyCrate is three times more effective than gravel at enhancing flood resilience because it has a 96% retention capacity. Having a high retention capacity doesn’t require a large basin. The PolyCrate has a small excavation volume and effectively conserves space in densely populated urban areas. Additionally, this also means less manpower, equipment, and time at the job site is required.

Easy Upkeep/ Low Maintenance:

Gravel proves to be very difficult to clean whereas the PolyCrate is completely inspectable. This results in easy maintenance throughout the basin’s lifespan simple.


Gravel can only be used for infiltration, whereas PolyCrate can also be utilised to store and collect water for later use.

Less Storage Space Required:

Due of its large volume, gravel is difficult to store on construction sites and requires frequent replenishment. One PolyCrate pallet takes 3.14 m3, which can be unpacked into a 36 m3 basin.

Health and Safety

The condition of the soil around a gravel basin determines the effectiveness of it. It is susceptible to the development of stagnant water whereas PolyCrate gives you additional control by burying the gathered water far from the outside conditions.

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What is a Soakaway?

Due to the increase of heavy rainfall throughout the UK (tyndall.ac.uk), it has become extremely common for surface water to evolve in certain areas.

If an increased level of pooling and unwanted surface water is noticed, or water building up around exterior walls, it is suggested that investing in a soakaway can resolve this.

A soakaway is a type of underground drainage system that aims to manage surface water on a property. It allows it to seep into the ground rather than discharge it into a watercourse or sewer. The modified plastic crates (Attenuation Crates) are fitted into holes in the ground that that you must dig out.

Attenuation functions by gathering extra rainwater and enabling it to seep back into the ground when your home’s main drainage system is overworked. The system is easy to install and over the life span need very little maintenance. They are one of the most environmentally beneficial methods for dealing with excess surface water. This is because of how simple they are to use and how they encourage healthy garden turf.

More detail surrounding a Soakaway unit…

A soakaway is a sizable hole excavated in the grounds of a property to catch and hold rainwater or surface water before releasing it gradually into the surrounding soil. It is generally built five to ten metres away from a building. It uses a permeable membrane to regulate water flow into the ground so as not to overflow the soil and cause waterlogging.

A property’s drainage system directs rainwater to the soakaway and as the downpour gets heavier, water starts to fill the hole. The filling component makes sure that the water percolates back into the ground at a reasonable rate.

The Installation Process:

You can construct a soakaway by yourself but there are a few considerations to consider before you start.

Contact the planning office in your area:

Check local planning laws before assessing the soil or the land. Especially if you’re planning to include the soakaway in an addition or extension to your property. Installing a soakaway is not possible in some locations because they are protected or close to a watercourse. You can carry out your plan after you receive confirmation that a soakaway is permitted.

Soil Percolation Test:

To estimate your soil’s rate of absorption, it is advisable to start by doing a soil percolation test. If the soil is excessively soft, it will hold onto the water instead of releasing it, eventually rendering the soakaway worthless.

Checking the Installation:

After determining whether a soakaway is practical, you can search the area for cables and pipes. Be careful about any type of electrical wire, gas mains, water mains, and even street lighting cables. Harming any of these when building your soakaway could prove to be very expensive.

Where should I install the soakaway:

Always check your local authority’s building laws before constructing a soakaway. Before you start the installation, it is vital to be aware of any local requirements as some rules specify where surface water must be collected and treated.

We advise building a soakaway at least five metres away from your residence. Do this once you are confident it complies with building codes. Remember that the longer the pipes must be to reach your soakaway from your property, which could increase the likelihood of blockages over time and raise the cost of construction. This could be worth the extra expense if you want to maintain your soakaway at the bottom of the garden where you can build a patio or deck.

What materials will you need?

Invest in silt traps, geotextile membranes, and soakaway crates to make installation as simple as feasible. These will not only make installation easier, but you’ll also notice that the longevity of your soakaway will increase.

Attenuation crates: 

Attenuation crates are useful for regulating the amount of surface water, especially in flood-prone locations. A system that reroutes water at a more convenient flow rate can be built using crates, waterproof geotextile, and piping. By encasing attenuation crates in permeable geotextiles, surface water stagnation is reduced by water slowly leaking into the surrounding soil. Soakaway crates are modular and can be stacked on top of one another and positioned next to one another. This means you may design a system that fits your spaces’ needs.

Geotextile membrane: 

High permeability fabrics called geotextile membranes (geotextiles) can keep undesirable contaminants out of drainage systems. Geotextiles that are non-woven work best for filtration or drainage and are simple to install. Simply wrap the geotextile cloth over each side of your soakaway crate and secure with staples or durable tape.

Silt Traps: 

By including a silt trap, you can increase the drainage pipe’s effectiveness and durability. It lessens the likelihood of blockages, flooding, and damage by preventing debris and silt from amassing inside the drainpipe. The crates are easy to maintain and are accessiable when needed. Overall this will increase the lifespan of the soakaway system.

How to select and install your attenuation crates:

The process of installing an attenuation is quite simple. The first steps would be to select the appropriate type and correct quantity of attenuation crates. If you don’t install the correct system for the level of rainwater, the attenuation create will become overwhelmed. This will result and in water backing up into the piping system over time.

Choosing the correct attenuation crates:

Since attenuation boxes are modular, you can tell how much water they can contain by looking at their technical specs. How much water you need to be able to keep in the attenuation crates will depend on cretain factors. These include: the results of your percolation test, the amount of room you have, the severity of any waterlogging issues, and the size of your accessible space.

Once you have calculated the volume of water expected, you can choose which attenuation create to purchase and how many you will need. Below are the different attenuation creates supplied by Polycon Water Management:

Installing an attenuation crate:

How to tell if your attenuation crate is blocked:

One of the most evident signs of a blockage is waterlogging in the ground next to the soakaway. It may be difficult to determine what has blocked the soakaway because it is underground. Usually, one of these four explanations applies:

The best method for avoiding clogs is to install your soakaway correctly. Although it may seem inconvenient, taking extra time and care during installation will wind up saving you time and money in the long run. Installing extras including silt traps, will reduce the amount of silt entering the system and therefore decrease the likelihood of blockages. This is another factor to think about when installing the attention create. 

If you’re apprehensive about installing a soakaway, you can hire experts to handle the task. A trustworthy contractor or business should be able to install a residential or commercial soakaway. They should be able to suggest how many crates you’ll need for the job. Getting the installation stage right will prepare you for the future due to the longevity of the crates.

To unblock your attenuation:

Unblocking your attention create is dependent on what is creating the obstruction. You can sometimes do it and other times you can’t. In the event that your soakaway does become clogged, it could be necessary to hire a professional.

High-pressure water jets can occasionally clear a build-up of silt and leaves in the piping. Although this approach only works in around 50% of situations, it is still advisable to be realistic about the result.  

The only solution in such cases is to replace any damaged sections of the pipe that have collapsed or been pierced by tree roots. If you were confident in your ability to install the soakaway system, you might think about performing this task on your own.

Before updating your soakaway system, make sure your building’s insurance coverage is up to date. If it isn’t, it is likely that you will have to cover any costs of repairing or replacing certain components,. For any more information surrounding our attention creates or any other method of storm water management, do not hesitate to get in touch. To do so you can call us on 0151 422 9747 or alternatively email us at sales@polycon.co.uk

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