FAQ

Yes, we integrate various measurement systems such as temperature sensors, level detectors, pressure sensors, and pH meters according to your specifications.

The excellent insulation value of GRP keeps the temperature stable and prevents condensation. The seamless construction prevents contamination, and the FIFO property at 40° funnel ensures that the product is not stored for too long.

Yes, we only use FDA-approved resins that have been tested in accordance with EU1935/2004 for contact with both dry and liquid foodstuffs. Our products are food safe, tested, and certified.

Our service team can repair most damage on site to restore it to its original strength. Thanks to the flexibility of GRP, local repairs can be carried out without replacing the entire structure.

Bridging can be largely prevented by using the correct hopper angle and smooth inner wall. For products that are difficult to flow, we can integrate a vibrating bottom or deflector.

Yes, GRP is weatherproof. UV-resistant, frost- and heat-resistant. No rust, no painting required. The good insulation value (λ = 0.17 W/m·K) prevents condensation.

We provide comprehensive technical documentation, including engineering drawings, specification sheets, installation manuals, and maintenance instructions. These documents aid in the integration and maintenance of our silos within your system.

Yes, we can adapt our silos so that they can be perfectly integrated into your existing systems. 

Yes, we can modify or expand existing silos to meet changing needs.

Our tanks are made of corrosion-resistant material, a composite material. In addition, we can apply special coatings and treatments to extend the life of the tanks.

The frequency of cleaning and maintenance depends on the type of product stored and the operating conditions. We recommend regular inspections and periodic cleaning to ensure the safety and quality of the stored food.

Our storage tanks and silos are suitable for various applications, including the storage of oils, sugar, cereals, dairy products and other food ingredients.

The excellent insulation value of GRP keeps the temperature stable and prevents condensation. The seamless construction prevents contamination, and the FIFO property at 40° funnel ensures that the product is not stored for too long.

Yes, we only use FDA-approved resins that have been tested in accordance with EU1935/2004 for contact with both dry and liquid foodstuffs. Our products are food safe, tested, and certified.

Our service team can repair most damage on site to restore it to its original strength. Thanks to the flexibility of GRP, local repairs can be carried out without replacing the entire structure.

We recommend performing a visual inspection yourself every month and having a professional Polem Expert Check carried out every 3 to 5 years. This prevents unexpectedly high repair costs and extends the service life of your silo or tank. The recommended frequency depends on various factors: the type of medium you store, how intensively the silo or tank is used, and how often it is filled and emptied. For daily or heavy use, we recommend having inspections carried out more frequently — for example, a professional check every year. For less intensive use, the interval can be longer. Regular checks ensure that your installation remains safe, reliable, and in optimal condition.

Bridging can be largely prevented by using the correct hopper angle and smooth inner wall. For products that are difficult to flow, we can integrate a vibrating bottom or deflector.

Yes, GRP is weatherproof. UV-resistant, frost- and heat-resistant. No rust, no painting required. The good insulation value (λ = 0.17 W/m·K) prevents condensation.

Our tanks are made of corrosion-resistant material, a composite material. In addition, we can apply special coatings and treatments to extend the life of the tanks.

Yes, we integrate various measurement systems such as temperature sensors, level detectors, pressure sensors, and pH meters according to your specifications.

Yes, for extra safety, we can supply double-walled tanks with leak detection systems. In the event of damage to the inner wall, no chemicals will be released into the environment.

Our service team can repair most damage on site to restore it to its original strength. Thanks to the flexibility of GRP, local repairs can be carried out without replacing the entire structure.

We recommend performing a visual inspection yourself every month and having a professional Polem Expert Check carried out every 3 to 5 years. This prevents unexpectedly high repair costs and extends the service life of your silo or tank. The recommended frequency depends on various factors: the type of medium you store, how intensively the silo or tank is used, and how often it is filled and emptied. For daily or heavy use, we recommend having inspections carried out more frequently — for example, a professional check every year. For less intensive use, the interval can be longer. Regular checks ensure that your installation remains safe, reliable, and in optimal condition.

Bridging can be largely prevented by using the correct hopper angle and smooth inner wall. For products that are difficult to flow, we can integrate a vibrating bottom or deflector.

Yes, GRP is weatherproof. UV-resistant, frost- and heat-resistant. No rust, no painting required. The good insulation value (λ = 0.17 W/m·K) prevents condensation.

We work closely with system integrators from the beginning of the project. This includes joint project planning, sharing technical specifications, and regular communication to ensure that silo solutions fit seamlessly within the overall system design.

We provide comprehensive technical documentation, including engineering drawings, specification sheets, installation manuals, and maintenance instructions. These documents aid in the integration and maintenance of our silos within your system.

Absolutely. Our technical team can provide support during the installation of silos in larger system integrations. We can also work with your team to ensure that silos function optimally within your infrastructure.

Yes, we can adapt our silos so that they can be perfectly integrated into your existing systems. 

Yes, we can modify or expand existing silos to meet changing needs.

Yes, we can provide you with spare parts for your silos. Please contact our after sales department with the specifications of the part you need, and we will help you find the right solution.

In addition to manufacturing high-quality silos, we also offer repair and maintenance services. Our experienced service team can inspect existing silos, repair and, if necessary, replace parts to extend their life and ensure safety.

Our tanks are made of corrosion-resistant material, a composite material. In addition, we can apply special coatings and treatments to extend the life of the tanks.

The delivery time can vary depending on the specifications and complexity of the order. In general, the delivery time for custom-made silos and tanks is between 10 and 12 weeks. We are happy to discuss this in detail during the quotation process.

Our storage tanks and silos are made from high-quality materials such as glass fiber reinforced plastic (GRP), which ensure durability, chemical resistance and a long service life.

Polem builds tanks and silos with a diameter of up to 9 meters(!) and a volume of up to 1,500 m³ in one piece.

Yes, at Polem we offer customized solutions to meet the specific needs of our customers. We work closely with you to design and implement the best solution for your storage needs.

We recommend performing a visual inspection yourself every month and having a professional Polem Expert Check carried out every 3 to 5 years. This prevents unexpectedly high repair costs and extends the service life of your silo or tank. The recommended frequency depends on various factors: the type of medium you store, how intensively the silo or tank is used, and how often it is filled and emptied. For daily or heavy use, we recommend having inspections carried out more frequently — for example, a professional check every year. For less intensive use, the interval can be longer. Regular checks ensure that your installation remains safe, reliable, and in optimal condition.

Bridging can be largely prevented by using the correct hopper angle and smooth inner wall. For products that are difficult to flow, we can integrate a vibrating bottom or deflector.

Yes, GRP is weatherproof. UV-resistant, frost- and heat-resistant. No rust, no painting required. The good insulation value (λ = 0.17 W/m·K) prevents condensation.

The capacity depends on your feed consumption, delivery frequency, and available space. As a rule of thumb, for 100 dairy cows, you should calculate approximately 80-120 m³ for a period of 3-4 weeks. Our specialists will be happy to advise you on the optimal dimensions.

Yes, we can provide you with spare parts for your silos. Please contact our after sales department with the specifications of the part you need, and we will help you find the right solution.

Our storage tanks and silos are suitable for various agricultural applications such as the storage of animal feed, water, manure and crop protection products.

Suitable for wood pulp, recycled paper, wood fibers, dyes, additives, lignin, filler materials, and process chemicals.

Paper and pulp materials are sensitive to moisture and often contain aggressive process chemicals. GRP offers optimal moisture protection, is chemically resistant, and has seamless inner walls for efficient cleaning.

Our service team can repair most damage on site to restore it to its original strength. Thanks to the flexibility of GRP, local repairs can be carried out without replacing the entire structure.

We recommend performing a visual inspection yourself every month and having a professional Polem Expert Check carried out every 3 to 5 years. This prevents unexpectedly high repair costs and extends the service life of your silo or tank. The recommended frequency depends on various factors: the type of medium you store, how intensively the silo or tank is used, and how often it is filled and emptied. For daily or heavy use, we recommend having inspections carried out more frequently — for example, a professional check every year. For less intensive use, the interval can be longer. Regular checks ensure that your installation remains safe, reliable, and in optimal condition.

Yes, GRP is weatherproof. UV-resistant, frost- and heat-resistant. No rust, no painting required. The good insulation value (λ = 0.17 W/m·K) prevents condensation.

Our service team can repair most damage on site to restore it to its original strength. Thanks to the flexibility of GRP, local repairs can be carried out without replacing the entire structure.

We recommend performing a visual inspection yourself every month and having a professional Polem Expert Check carried out every 3 to 5 years. This prevents unexpectedly high repair costs and extends the service life of your silo or tank. The recommended frequency depends on various factors: the type of medium you store, how intensively the silo or tank is used, and how often it is filled and emptied. For daily or heavy use, we recommend having inspections carried out more frequently — for example, a professional check every year. For less intensive use, the interval can be longer. Regular checks ensure that your installation remains safe, reliable, and in optimal condition.

Bridging can be largely prevented by using the correct hopper angle and smooth inner wall. For products that are difficult to flow, we can integrate a vibrating bottom or deflector.

Yes, GRP is weatherproof. UV-resistant, frost- and heat-resistant. No rust, no painting required. The good insulation value (λ = 0.17 W/m·K) prevents condensation.

Our tanks are made of corrosion resistant material, a composite material. In addition, we can apply special coatings and treatments to extend the life of the tanks.

The excellent insulating properties of GRP keep the process temperature stable, which limits energy consumption for heating and increases net energy yield.

Yes, we supply tanks with integrated agitators for fermentation processes.

Suitable for biomass, digestate, fermentation materials, compost, and other organic materials. Also suitable for storing liquid manure and process water.

Biomass and digestate contain aggressive components such as organic acids, ammonia, and hydrogen sulfide. GRP is completely resistant to these, whereas metal alternatives quickly fail. This means lower replacement costs and more reliable operation.

Our service team can repair most damage on site to restore it to its original strength. Thanks to the flexibility of GRP, local repairs can be carried out without replacing the entire structure.

We recommend performing a visual inspection yourself every month and having a professional Polem Expert Check carried out every 3 to 5 years. This prevents unexpectedly high repair costs and extends the service life of your silo or tank. The recommended frequency depends on various factors: the type of medium you store, how intensively the silo or tank is used, and how often it is filled and emptied. For daily or heavy use, we recommend having inspections carried out more frequently — for example, a professional check every year. For less intensive use, the interval can be longer. Regular checks ensure that your installation remains safe, reliable, and in optimal condition.

Yes, GRP is weatherproof. UV-resistant, frost- and heat-resistant. No rust, no painting required. The good insulation value (λ = 0.17 W/m·K) prevents condensation.

Yes, we integrate various measurement systems such as temperature sensors, level detectors, pressure sensors, and pH meters according to your specifications.

Our products comply with all applicable standards for the chemical industry. We supply material certificates and full traceability. ATEX certification is available for potentially explosive environments.

GRP does not corrode like metal. Whereas steel tanks need to be replaced after a few years due to chemical corrosion, our GRP tanks retain their properties throughout their entire service life.

Yes, for extra safety, we can supply double-walled tanks with leak detection systems. In the event of damage to the inner wall, no chemicals will be released into the environment.

Our tanks are manufactured using specially selected, chemically resistant resins. They are resistant to most acids, salts, and organic solvents. For specific chemicals, we are happy to advise you on the right resin composition.

Our service team can repair most damage on site to restore it to its original strength. Thanks to the flexibility of GRP, local repairs can be carried out without replacing the entire structure.

We recommend performing a visual inspection yourself every month and having a professional Polem Expert Check carried out every 3 to 5 years. This prevents unexpectedly high repair costs and extends the service life of your silo or tank. The recommended frequency depends on various factors: the type of medium you store, how intensively the silo or tank is used, and how often it is filled and emptied. For daily or heavy use, we recommend having inspections carried out more frequently — for example, a professional check every year. For less intensive use, the interval can be longer. Regular checks ensure that your installation remains safe, reliable, and in optimal condition.

Yes, GRP is weatherproof. UV-resistant, frost- and heat-resistant. No rust, no painting required. The good insulation value (λ = 0.17 W/m·K) prevents condensation.

We work closely with system integrators from the beginning of the project. This includes joint project planning, sharing technical specifications, and regular communication to ensure that silo solutions fit seamlessly within the overall system design.

Absolutely. Our technical team can provide support during the installation of silos in larger system integrations. We can also work with your team to ensure that silos function optimally within your infrastructure.

Yes, we can adapt our silos so that they can be perfectly integrated into your existing systems. 

Yes, we can modify or expand existing silos to meet changing needs.

No, we provide international service. For projects outside the Netherlands, travel and accommodation costs will be charged.

Yes, we keep most standard parts in stock: valves, filters, sensors, connectors, and repair materials. Special parts have an average delivery time of 1-2 weeks.

Small repairs within 1 day, medium repairs 1-2 days, large repairs 2-5 days. By working on site, downtime is kept to a minimum.

Yes, we check filters, valves, sensors, and other components. Filter cleaning is not included in the inspection, but we can take care of filter replacement.

Yes, of course. In addition to periodic inspections, we also offer one-off inspections. These may be required after extreme weather conditions or if damage is suspected.

We recommend every 3-5 years, depending on use and environmental conditions. For critical applications, intensive use, or aggressive substances, annual inspection may be advisable.

A professional inspection by our technicians, including wall thickness and hardness measurements. You will receive a clear report with measurement data and photos. This prevents unexpected repair costs and business interruptions.

Yes, most damage can be repaired on site to its original strength. The flexibility of GRP allows for local repairs without major intervention.

Our service team can repair most damage on site to restore it to its original strength. Thanks to the flexibility of GRP, local repairs can be carried out without replacing the entire structure.

We recommend performing a visual inspection yourself every month and having a professional Polem Expert Check carried out every 3 to 5 years. This prevents unexpectedly high repair costs and extends the service life of your silo or tank. The recommended frequency depends on various factors: the type of medium you store, how intensively the silo or tank is used, and how often it is filled and emptied. For daily or heavy use, we recommend having inspections carried out more frequently — for example, a professional check every year. For less intensive use, the interval can be longer. Regular checks ensure that your installation remains safe, reliable, and in optimal condition.

Yes, we can modify or expand existing silos to meet changing needs.

Yes, we can provide you with spare parts for your silos. Please contact our after sales department with the specifications of the part you need, and we will help you find the right solution.

In addition to manufacturing high-quality silos, we also offer repair and maintenance services. Our experienced service team can inspect existing silos, repair and, if necessary, replace parts to extend their life and ensure safety.

Certainly, our market specialists and engineers provide advice on product selection, capacity calculations, product flow, safety aspects, and process optimization.

For a standard agricultural silo: 0.5-1 day. For more complex industrial installations with many connections: 1-3 days. We plan this in advance in consultation with you.

Yes, we install on request, either ourselves or in collaboration with the system integrator. Our experienced technicians ensure professional installation.

We deliver silos with a diameter of up to 9 meters in one piece. Where possible, we do this by inland waterway or by special road transport. This type of transport often requires exceptional measures and permits. Polem helps you arrange permits and provides guidance on coordination with local authorities. This ensures smooth and safe transport of your silo or tank.

Yes, we can arrange transport or you can arrange this with your own transport partner. We advise on the best transport method depending on dimensions, location, and accessibility.

Absolutely. We have experience with projects worldwide and can offer support in various languages. Our technical documentation is available in Dutch, German, and English.

Yes, our experienced project managers coordinate the entire process from the design phase to delivery and aftercare. We coordinate with all parties involved and ensure timely delivery according to schedule.

We work closely with system integrators through joint project planning, sharing technical specifications, and clear communication. This ensures that our silo solutions fit seamlessly into the overall system design.

For urgent repairs, we aim to be on site within 24-48 hours. Regular inspections are scheduled within 1-2 weeks. For major maintenance, we offer shorter delivery times than for new construction.

As a manufacturer, we know our products best. Our technicians are specialized in GRP materials and have over 50 years of experience. We work with original parts, restore to original strength, and offer a warranty on the work performed.

Polem offers a complete service from design to aftercare: advice and engineering, collaboration with system integrators, transport and installation, inspections and maintenance, damage repair, modifications and upgrades, plus technical support. We remain involved, even after delivery.