EasyPro BPL2020 Pond Liner | 20' x 20' 45 mil EPDM DuraLiner Skip to content

EasyPro BPL2020 20 ft x 20 ft 45 Mil EPDM Pond Liner – Heavy Duty Fish Safe DuraLiner Rubber (Boxed)

by EasyPro
SKU BPL2020
Original price $640.00 - Original price $640.00
Original price
$640.00
$640.00 - $640.00
Current price $640.00

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Questions? - Call (765) 508-4352

Description

The EasyPro BPL2020 DuraLiner™ Pond Liner is a 20’×20’ (400 sq ft) 45-mil EPDM pre-cut liner that creates a finished pond of 16’×16’ at approximately 24 inches deep — approximately 3,000–4,000 gallons depending on pond shape and shelf design. Manufactured from first-quality virgin EPDM resins in an ISO9001-certified facility, DuraLiner™ meets or exceeds ASTM D7465 (Type 1) technical specifications and carries a 20-Year Limited Warranty (underlayment required for warranty validity). Stays flexible from -40°F to 175°F, is UV and weather resistant, and will not crack with age. Fish-safe, plant-safe, and wildlife-safe — specifically formulated for water garden applications, not roofing. Boxed and factory-folded for retail-ready handling.

BPL2020 | 20'×20' (400 sq ft) | 45 mil (1.14 mm) EPDM Creates 16'×16' Pond at ~24" Deep (~3,000–4,000 gal) ASTM D7465 Type 1 | ISO9001 Facility | Virgin Resins Fish & Plant Safe | -40°F to 175°F | Boxed ⭐ 20-Year Limited Warranty (underlayment required)
Important — pond sizing: The 20’×20’ liner creates a finished pond of 16’×16’ at approximately 24 inches deep. Plan your excavation accordingly. For different depths or overlap requirements, use the sizing formula: liner dimension = pond dimension + (2× depth wrap) per side.

Why Choose EasyPro DuraLiner™?

  • 20-Year Limited Warranty — the industry’s strongest warranty for pre-cut boxed pond liners. Requires non-woven geotextile underlayment installation for warranty validity.
  • First-quality virgin EPDM resins only — no regrind or recycled rubber content. Consistent material properties across the full liner area ensure reliable tensile strength, elongation, and seaming characteristics.
  • ISO9001-certified manufacturing — documented quality management system governs production, testing, and inspection at the manufacturing facility.
  • ASTM D7465 (Type 1) compliant — meets or exceeds the ASTM standard for unreinforced EPDM waterproofing membranes, the primary quality specification used by professional pond builders and contractors.
  • Extreme temperature flexibility — remains supple and conforming from -40°F to 175°F. Unlike PVC, which becomes brittle in cold weather and cracks under freeze-thaw cycling, DuraLiner™ expands and contracts with soil movement and hydrostatic pressure without losing integrity.
  • Fish-safe, not roofing-grade — pond-grade EPDM is specifically formulated without the fire retardants and algae-resistant chemicals found in roofing EPDM that are toxic to aquatic life. DuraLiner™ is safe for koi, goldfish, and all aquatic plants.
  • Boxed and retail-ready — factory-folded for efficient shipping and handling. Fold creases fully relax once the liner is laid out in sunlight and filled with water.

Product Specifications

Specification Detail
SKU BPL2020
Liner Dimensions 20’ × 20’
Total Area 400 sq ft
Thickness 45 mil (1.14 mm)
Material DuraLiner™ 45-mil EPDM rubber (first-quality virgin resins)
Creates Finished Pond 16’ × 16’ at approx. 24” deep
Approx. Pond Volume ~3,000–4,000 gallons depending on shape and shelves
Temperature Range -40°F to 175°F
Quality Standard ASTM D7465 (Type 1)
Manufacturing ISO9001-certified facility
Approx. Weight ~133–140 lbs (verify with EasyPro)
Fish & Plant Safe Yes — specifically formulated for pond applications
UV Resistant Yes
Weather Resistant Yes — will not crack with age
Packaging Boxed (factory-folded, retail-ready)
Warranty 20-Year Limited Warranty (underlayment required for validity)
Pond sizing formula: Liner size = pond length/width + (2× depth) per side. For a 24”-deep pond: add 4 ft to each dimension → 20’ liner creates a 16’ pond side. Add additional length for desired bank overlap. EasyPro’s BPL2020 is calculated for 16’×16’ at 24” depth with minimal overlap.

EasyPro DuraLiner™ Family

All DuraLiner™ products use the same 45-mil EPDM virgin-resin material, ASTM D7465 (Type 1) compliance, and 20-Year Limited Warranty. Choose the right size for your pond:

SKU Liner Size Sq Ft Creates Pond Format
BPL1010 10’×10’ 100 6’×6’ / 24” deep Boxed
BPL1520 15’×20’ 300 11’×16’ / 24” deep Boxed
BPL2020 (this) 20’×20’ 400 16’×16’ / 24” deep Boxed
RPL205 20’×50’ 1,000 Roll format Roll
RPL201 20’×100’ 2,000 Roll format Roll
RPL45 Custom Custom 5’–50’ widths, cut to length Custom

Frequently Asked Questions

How many gallons will a pond made with this 20'×20' liner hold?

The EasyPro BPL2020 creates a finished pond of 16’×16’ at approximately 24 inches deep. At that size, a pond with a flat bottom holds approximately 3,834 gallons (16×16×2×7.48). With shelves and irregular contours, expect approximately 3,000–4,000 gallons depending on your design.

To size your liner for a different depth: add twice the desired depth to each pond dimension. For a 24”-deep pond: pond dimension + 4 ft = liner dimension. For additional bank overlap, add another 1–2 ft per side.

Is the BPL2020 EPDM liner safe for fish and plants?

Yes. The EasyPro DuraLiner™ is specifically manufactured for aquatic applications using first-quality virgin EPDM resins — not the blended or roofing-grade EPDM that may contain fire retardants or algae-resistant chemicals toxic to fish. This liner is safe for koi, goldfish, and all aquatic plants.

The material meets or exceeds ASTM D7465 (Type 1) technical specifications and is manufactured in an ISO9001-certified facility to ensure consistent quality throughout every roll and boxed liner.

Why choose 45-mil EPDM over thinner PVC or HDPE liners?

45-mil EPDM offers several advantages over thinner alternatives:

  • Temperature range: Remains flexible from -40°F to 175°F. PVC becomes brittle in cold winters and can crack; HDPE has limited flexibility in cold conditions.
  • Longevity: EPDM does not degrade from UV exposure the way PVC does. The DuraLiner™ will not crack with age.
  • Flexibility: 45-mil EPDM is highly conforming — it shapes easily to shelves, curves, and complex pond contours without bunching or tearing.
  • Thickness: At 45 mil (1.14 mm), this liner has substantially greater puncture resistance than 20 or 30 mil alternatives.
Does this liner require a protective underlayment?

Yes — underlayment is required to maintain the 20-Year Limited Warranty (not just recommended). A non-woven geotextile underlayment must be installed beneath the DuraLiner™ to:

  • Protect the liner membrane from sharp rocks, roots, and debris in the soil
  • Allow ground gases to escape, preventing “bubbling” under the liner
  • Meet the warranty requirement — installations without underlayment do not qualify for the 20-year coverage

For the BPL2020 (400 sq ft), order at least 400 sq ft of non-woven geotextile underlayment. Ask about EasyPro-compatible underlayment when ordering: (765) 508-4352

How do I seam or repair this EasyPro EPDM pond liner?

Seaming and repairing DuraLiner™ EPDM uses double-sided EPDM seam tape and EPDM primer. The vulcanized rubber surface bonds strongly to EPDM-compatible adhesives, creating a molecular bond as strong as the base material. Clean and dry surfaces are required for proper adhesion — allow 10–15 minutes of drying time after applying primer before applying seam tape.

For seaming a stream liner to the pond liner, overlap both pieces by at least 3 inches and apply seam tape to the full overlap zone. Ask about compatible EasyPro seaming products when ordering.

Is the BPL2020 liner shipped in a box or on a pallet?

The BPL2020 is a “Boxed” liner — factory-folded and packaged for retail-ready shipping and handling. At approximately 133–140 lbs, two people are recommended to move and position the liner. Plan site access accordingly if your pond location requires carrying the box some distance.

Fold creases in the liner will fully relax once it is laid out flat in sunlight for 30–60 minutes before installation. Fill the pond with water to accelerate this process and help the liner conform to the excavation contours.

Why Buy from Pond Pro Direct?

  • Authentic EasyPro products with 20-Year Limited Warranty coverage
  • Expert pond-building guidance — call for sizing, underlayment pairing, and installation questions
  • Price Match on identical EasyPro DuraLiner products from authorized dealers

EasyPro BPL2020 DuraLiner™ — 20’×20’ (400 sq ft) | 45 mil (1.14 mm) EPDM | Creates 16’×16’ pond at ~24” deep (~3,000–4,000 gal) | Virgin resins | ASTM D7465 Type 1 | ISO9001 facility | -40°F to 175°F | ~133–140 lbs | Boxed | 20-Year Limited Warranty (underlayment required).

Questions about sizing, underlayment pairing, or custom-cut options? Call or text (765) 508-4352 — Monday through Friday, 9 AM to 5 PM EST.

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    • Customers have 30 days from delivery to request a return, unless otherwise stated on the product page or by manufacturer policy
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    Because we ship products directly from manufacturers, return eligibility may vary by brand. If a manufacturer does not permit returns on a specific product, we may be unable to accept the return. Please contact us if you would like confirmation of return eligibility for a specific item.

    Fees & Shipping Costs

    • Return shipping costs are the responsibility of the customer unless the item is defective or shipped in error
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    • Approved returns of non-defective items may be subject to a restocking fee of up to 25%
    • Original outbound shipping charges are non-refundable

    If you are exchanging an item rather than returning it outright, we may be able to assist with some costs depending on the product and manufacturer.

    For full details, including freight deliveries, damage reporting requirements, and manufacturer-specific terms, please review our complete Return and Refund Policy

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