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4m x 5m Black & Grey 200gsm Pond Liner

4m x 5m Black & Grey 200gsm Pond Liner

Regular price £17.29
Regular price Sale price £17.29
Sale Sold out

100 in stock

  • Build your garden pond: a 4m × 5m nominal sheet of flexible 200gsm PE for the water-holding layer.
  • Follows your pond's contours: flexible polyethylene fits around curves, shelves and changes in depth without a rigid preformed shape.
  • Black face with grey reverse: UV-resistant PE for outdoor ponds and garden water features.
  • Choose your own underlay: suitable protection is required beneath the liner and is sold separately.
  • One liner supplied: cut-size tolerance ±5%. Allow for depth and edging; prepare smooth ground and remove sharp debris before fitting.
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Description

A black PE liner for your garden pond

Create the pond outline you have planned with a flexible sheet that follows the prepared base and sides. This 4m × 5m liner has a black face, grey reverse and a 200gsm polyethylene construction.

One liner supplied. Underlay is required and sold separately.

The material is UV-resistant for outdoor pond use. Plan the protective layer, ground preparation and perimeter finish before you fit it.

Illustrative preparation of a black PE pond liner with grey reverse over separate fabric underlay
Illustrative preparation. Underlay, edging and installation accessories are sold separately.
4m × 5mNominal cut dimensions
20m²Flat sheet area
200gsmPolyethylene material
1 linerUnderlay sold separately

Allow for the pond below the surface

The 5m side gives you more material in one direction than the 4m side. Both must reach through the excavation, including its depth and shelves, with enough left for the edges.

Measure along the actual contours in the longest and widest directions, add the edging allowance, and account for the ±5% cut-size tolerance. The nominal 20m² area describes the flat sheet, not the size of water surface it can cover.

5m4m20m²nominal flat liner areaCut size ±5% · not the finished pond size

Fit the liner over a prepared protective layer

The flexible sheet can follow changes in level, but it needs suitable underlay and a carefully cleared excavation beneath it.

Clear the ground

Remove sharp stones, roots and debris from the base, sides and shelves. Smooth the areas that will support the liner.

Plan the underlay

Choose protection for the ground conditions. Arrange sufficient coverage, including any overlaps, so it remains beneath the liner around contours.

Ease the sheet into place

Let the material settle into the shape without pulling it tight across gaps. Check the perimeter allowance before filling and finishing the edges.

Check the contents before installation

This product supplies one nominal 4m × 5m black and grey 200gsm PE pond liner. Underlay is not included. Edging, plants, stones and other installation accessories are also sold separately.

Common questions

Is this a rubber pond liner?

No. It is polyethylene, usually shortened to PE. Its 200gsm rating is material weight per square metre, not an EPDM thickness specification.

Will it fit a pond with a 4m by 5m surface?

No. Those are the nominal flat sheet dimensions. The liner also needs to reach down the sides, across the base and over the edges. Use measurements through the excavation to choose a size.

Do I need to order underlay separately?

Yes. Use suitable underlay beneath this liner. Plan its coverage, overlaps and quantity for your pond rather than assuming a single underlay sheet will cover the whole installation.

Product information & technical details

SKUPLB4X5-001
Product type200gsm Pond Liner
Size4m x 5m
Length5m
Width4m
GSM200gsm
ColourBlack, Grey
MaterialPolyethylene (PE)
Nominal flat liner area20m²
Quantity supplied1 liner
UnderlayRequired; sold separately
Cut-size tolerance±5%

All delivery times are estimates and not guaranteed. Orders placed before 1 pm, Monday to Friday (excluding bank holidays), will be dispatched the same day, while orders placed after 1 pm will be dispatched by the end of the next working day.

If an invalid postcode or address is provided, the order will be cancelled without further notice, as we are unable to modify addresses or print labels for invalid postcodes.

Our standard delivery option is Royal Mail Tracked 48, which typically takes 3–5 business days. If you need your order more quickly, Expedited delivery via Royal Mail Tracked 24 is available, offering a 1–2 business day service.

Large or bulky items may be sent via courier at our discretion and are usually dispatched for next-day delivery. Please note that we only ship to mainland UK addresses; delivery to non-mainland locations, including the Highlands & Islands, may not be available for large or heavy items. If your address falls into one of these areas and you wish to purchase such items, please contact us with your postcode and order details before placing your order. If we cannot ship to you, you are welcome to arrange your own courier for collection.

Please see our shipping policy for further information.

All products, unless otherwise stated, come with a standard manufacturer warranty against faulty workmanship.

If your product fails within six months of delivery, please contact us with your order reference number, a description of the issue, and clear images illustrating the fault.

Should your item require a return for further investigation, it is your responsibility to arrange and cover postage back to us.

If we are unable to repair the fault, we may offer either a replacement or a full refund.

In cases where the item is inspected and found not to be faulty, or where damage is determined not to be due to manufacturing defects, you will not be entitled to a refund or replacement. We will then either return the item to you via standard post or dispose of it at your request.

Please see our warranty policy for further information.

You may return any order within 14 days of delivery. As soon as you receive your items, please inspect them carefully, taking reasonable care to keep both the product and its packaging clean and undamaged. If you discover an error or defect after 14 days, we reserve the right to decline your return. If your product fails or breaks after this 14-day time window then your order may be eligible for a warranty claim, please see our warranty information for more details.

To initiate a return, please contact us via our contact form to obtain a return authorisation and the correct returns address (different from the address on your invoice). This can also be done through your 'recent orders' page on your account if you are registered with Shop. Returns sent without prior authorisation will be discarded.

Returned items must be in the same condition in which you received them: unworn or unused, with tags attached and in their original packaging. You must include either a copy of your invoice or a slip with your order reference number inside the parcel. Please be sure not to obscure your return reference number on the label.

If you refuse delivery or reject the parcel without prior notice, we will inspect the returned package and issue a refund upon receipt. Although there is no restocking fee, we will deduct the cost of the return postage label (£3.35) from your refund.

If the returned item or its packaging shows signs of use, damage, or staining, we may deduct up to 50% of the order value, or refuse the return entirely, depending on its condition. Examples include damaged tags, stained, modified or damaged packaging, or missing components.

For faulty, incorrect, or damaged items, please contact us before sending anything back so we can attempt to resolve the issue directly. If we agree that a return is necessary due to our error, we will provide you with a pre-paid return label.

Products that have been modified or damaged through customer action are not eligible for return. This includes, but is not limited to, items that have been cut, trimmed or otherwise altered (such as a tarpaulin or pond liner resized to your specifications), or any product showing damage beyond normal inspection handling.

Please see our refund policy for further information.

All delivery times are estimates and not guaranteed. Orders placed before 1 pm, Monday to Friday (excluding bank holidays), will be dispatched the same day, while orders placed after 1 pm will be dispatched by the end of the next working day.

If an invalid postcode or address is provided, the order will be cancelled without further notice, as we are unable to modify addresses or print labels for invalid postcodes.

Our standard delivery option is Royal Mail Tracked 48, which typically takes 3–5 business days. If you need your order more quickly, Expedited delivery via Royal Mail Tracked 24 is available, offering a 1–2 business day service.

Large or bulky items may be sent via courier at our discretion and are usually dispatched for next-day delivery. Please note that we only ship to mainland UK addresses; delivery to non-mainland locations, including the Highlands & Islands, may not be available for large or heavy items. If your address falls into one of these areas and you wish to purchase such items, please contact us with your postcode and order details before placing your order. If we cannot ship to you, you are welcome to arrange your own courier for collection.

Please see our shipping policy for further information.

All products, unless otherwise stated, come with a standard manufacturer warranty against faulty workmanship.

If your product fails within six months of delivery, please contact us with your order reference number, a description of the issue, and clear images illustrating the fault.

Should your item require a return for further investigation, it is your responsibility to arrange and cover postage back to us.

If we are unable to repair the fault, we may offer either a replacement or a full refund.

In cases where the item is inspected and found not to be faulty, or where damage is determined not to be due to manufacturing defects, you will not be entitled to a refund or replacement. We will then either return the item to you via standard post or dispose of it at your request.

Please see our warranty policy for further information.

You may return any order within 14 days of delivery. As soon as you receive your items, please inspect them carefully, taking reasonable care to keep both the product and its packaging clean and undamaged. If you discover an error or defect after 14 days, we reserve the right to decline your return. If your product fails or breaks after this 14-day time window then your order may be eligible for a warranty claim, please see our warranty information for more details.

To initiate a return, please contact us via our contact form to obtain a return authorisation and the correct returns address (different from the address on your invoice). This can also be done through your 'recent orders' page on your account if you are registered with Shop. Returns sent without prior authorisation will be discarded.

Returned items must be in the same condition in which you received them: unworn or unused, with tags attached and in their original packaging. You must include either a copy of your invoice or a slip with your order reference number inside the parcel. Please be sure not to obscure your return reference number on the label.

If you refuse delivery or reject the parcel without prior notice, we will inspect the returned package and issue a refund upon receipt. Although there is no restocking fee, we will deduct the cost of the return postage label (£3.35) from your refund.

If the returned item or its packaging shows signs of use, damage, or staining, we may deduct up to 50% of the order value, or refuse the return entirely, depending on its condition. Examples include damaged tags, stained, modified or damaged packaging, or missing components.

For faulty, incorrect, or damaged items, please contact us before sending anything back so we can attempt to resolve the issue directly. If we agree that a return is necessary due to our error, we will provide you with a pre-paid return label.

Products that have been modified or damaged through customer action are not eligible for return. This includes, but is not limited to, items that have been cut, trimmed or otherwise altered (such as a tarpaulin or pond liner resized to your specifications), or any product showing damage beyond normal inspection handling.

Please see our refund policy for further information.