Plant Nappy Liner - Replacement Insert for Spill Containment Base Unit

Plant Nappy Liner - Replacement Insert for Spill Containment Base Unit

The Plant Nappy Liner is the replaceable consumable component of the Plant Nappy spill containment system. Made from natural and renewable materials including polypropylene fibre and polyurethane, it sits inside the Plant Nappy Base Unit and performs the primary oil and fuel absorption function, trapping spills and run-off whilst allowing water to pass through contamination free. When the liner becomes saturated with oil or fuel, it is removed and replaced with a fresh liner, whilst the base unit continues in service. Available in three absorbency capacities matching all three Plant Nappy base unit sizes, the liner requires no assembly or training and is ready to use straight from the packaging. For site managers and plant hire companies who operate Plant Nappy base units across multiple sites, maintaining a stock of replacement liners is the most practical and cost-effective approach to ongoing spill containment compliance.

Why Choose the Plant Nappy Liner

• Eco-friendly natural and renewable materials: the liner is manufactured from natural and renewable materials including polypropylene fibre and polyurethane, making it the environmentally responsible choice for sites with sustainability obligations and ESG reporting requirements.

• High performance oil filtration: the liner achieves 3.4ppm filtration at 100% capacity and 1.4ppm at 50% capacity, providing effective oil retention across the full absorbency range from initial deployment through to full saturation.

• Three absorbency capacities: 2L for the 500x685mm base unit, 4.5L for the 1000x685mm base unit, and 16L for the 2000x1370mm base unit, ensuring the liner is correctly matched to the base unit size and the volume of oil or fuel the equipment beneath it could produce.

• Allows water to escape contamination free: the liner construction allows rainwater to pass through without carrying oil contamination, maintaining effective spill containment during wet weather without the mat system overflowing.

• Crush resistant and puncture resistant: the liner maintains its structural integrity under the weight of plant and equipment placed on or near the base unit, preventing compression from reducing absorbency performance.

• Non-toxic and non-hazardous: unlike oil-contaminated rigid drip trays or absorbent granules, the Plant Nappy Liner can be handled and replaced without specialist PPE requirements during normal liner change operations.

• Reusable system: the liner replacement cycle means the base unit is reused and only the contaminated liner is disposed of, significantly reducing the volume of waste generated per spill containment deployment compared to single-use spill mats.

What's Included

• One Plant Nappy Liner in the selected size variant

• Plant Nappy Base Unit sold separately

 Specifications

 Compatibility

Who Is This For?

The Plant Nappy Liner is aimed at site managers, environmental officers, plant hire companies, groundworkers, and civils contractors who operate Plant Nappy Base Units on UK construction sites and need replacement liners for ongoing spill containment compliance. It suits the site manager maintaining a stock of replacement liners for regular liner changes across multiple base units on a large site, the plant hire company supplying replacement liners alongside hired plant as a contractual environmental requirement, and the environmental officer ensuring documented liner replacement records are maintained for EA inspection purposes.

Typical Applications

• Regular liner replacement in Plant Nappy Base Units deployed under generators on construction sites

• Liner replacement in base units positioned under compressors, pressure washers, and hand-held equipment during site operations

• Maintaining spill containment compliance under large plant including excavators and dumpers during static working periods

• Supplying replacement liners to plant hire clients as part of an ongoing environmental compliance package

• Liner replacement following a fuel or oil spill event where the liner has reached full absorbency capacity

• Maintaining documented liner replacement records for Environment Agency site inspection evidence

How to Use

1. Confirm the correct liner size for your Plant Nappy Base Unit using the compatibility table above before fitting.

2. Remove the plant or equipment from the base unit before changing the liner where safe and practical to do so.

3. Using chemical resistant gloves, carefully remove the saturated liner from the base unit, folding it inward to contain any residual oil during removal.

4. Place the saturated liner into a suitable hazardous waste sack for disposal in accordance with your site waste management plan.

5. Insert the replacement liner into the base unit, ensuring it sits flat and covers the full internal base area without folding or bunching.

6. Return the plant or equipment to its position over the base unit before resuming operations.

7. Record the liner replacement date and condition in your site environmental monitoring documentation.

Safety

• Wear chemical resistant gloves to EN 374 when handling saturated liners during replacement.

• Dispose of oil-contaminated liners as hazardous waste in accordance with the Environmental Protection Act 1990 and your site waste management plan.

• Do not compress or squeeze a saturated liner during removal as this can cause oil to be expelled from the liner material.

• The liner is non-toxic and non-hazardous in its unused state and can be handled without specialist PPE during fitting.

Maintenance

• Inspect the liner regularly during use and replace as soon as visible oil or fuel contamination is present across the liner surface.

• Do not allow the liner to remain in service beyond its absorbency capacity as oil may migrate to the base unit body and reduce containment effectiveness.

• Store unused liners flat in a dry environment away from direct sunlight and sources of heat above 135°C.

• Maintain a stock of replacement liners on site to ensure uninterrupted spill containment compliance without waiting for delivery.

• Record each liner replacement in your site environmental monitoring documentation as evidence of active spill prevention management.

Frequently Asked Questions

Q: Which liner size do I need for my Plant Nappy Base Unit?

 A: Match the liner to your base unit code. DRIP13 (2L) fits base unit DRIP12. DRIP05 (4.5L) fits base unit DRIP04. DRIP08 (16L) fits base unit DRIP07. Always confirm the base unit code before ordering to ensure the liner fits correctly.

Q: How often should I replace the liner?

 A: Replace the liner as soon as visible oil or fuel contamination is present. On sites where plant runs daily, inspect the liner at the end of each working day. Do not allow a saturated liner to remain in service as oil may migrate to the base unit body and reduce overall containment effectiveness.

Q: Is the liner eco-friendly?

 A: Yes. The Plant Nappy Liner is made from natural and renewable materials including polypropylene fibre and polyurethane, making it one of the most environmentally responsible spill containment consumables available for UK construction sites. This is particularly relevant for sites with sustainability reporting obligations or ESG compliance requirements.

Q: Can I use the liner in other brand spill containment mats?

 A: The Plant Nappy Liner is designed specifically for use with Plant Nappy Base Units. Compatibility with other brand spill containment mats is not confirmed. Always use the correct liner for the correct base unit to ensure the absorbency capacity and filtration performance are correctly matched.

Q: What does the filtration rating mean?

 A: The filtration rating describes the concentration of oil in water that passes through the liner. At 100% absorbency capacity the liner achieves 3.4 parts per million oil in discharged water, and at 50% capacity it achieves 1.4ppm. These ratings confirm that even as the liner fills with oil, the water passing through remains at very low oil concentration levels, supporting compliance with Environment Agency discharge standards.

Q: How do I dispose of a saturated liner?

A: Saturated liners containing oil or fuel must be disposed of as hazardous waste in accordance with the Environmental Protection Act 1990. Place the saturated liner in a suitable hazardous waste sack and arrange collection through a licensed waste carrier. Record the disposal as part of your site waste management documentation.

Q: Does the liner require assembly or training to fit?

 A: No. The Plant Nappy Liner requires no assembly and no training. It is ready to use straight from the packaging. Simply remove the saturated liner, insert the replacement liner flat into the base unit, and return the equipment to its position.

Q: Why should I order from CMT Group?

 A: CMT Group is an authorised Plant Nappy supplier and has supplied UK construction sites since 2010. Orders placed online by 7pm qualify for next working day delivery on a FORS Silver accredited fleet covering 90% of the UK mainland. For sites with ongoing liner replacement requirements, CMT's EDGE procurement portal provides agreed contract pricing and streamlined repeat ordering to keep your spill containment system continuously operational.