PRODUCTS
POND LINERS
DLM Plastics pond liners

DLM Plastics has been been making pond liners for over 40 years! We provide pond liners for backyard ponds and landscapes, water gardens, Koi ponds, farm ponds, golf courses as well as commercial aquaculture operations, using only the finest quality fish and plant compatible materials to produce long-lasting and aesthetically-pleasing results every time.

DLM Plastics
(Pond Liners & Geosynthetics)
1530 Harvard Avenue
Findlay, OH 45840
419.424.5250
DLM Plastics logo
DLM Plastics geomembrane liner products

Geomembrane liners from DLM Plastics are used to control water loss and subgrade interaction in ponds, reservoirs, canals, and landscape water systems. Material formulations emphasize puncture resistance, dimensional stability, and long-term hydraulic integrity under fluctuating water levels and variable soil conditions. Available thicknesses and material types allow projects to be tailored precisely to slope geometry, loading expectations, and installation constraints. Flexible sheet formats streamline handling and seaming while maintaining consistent containment performance. For landscape architects coordinating grading, edge restraints, planting shelves, and overflow structures, these liners integrate cleanly into broader site systems. DLM Plastics’ liner solutions support durable, cost-effective water management across recreational, agricultural, and municipal landscape applications.

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MANUFACTURER FULL DETAILS

DLM Plastics

MANUFACTURER OVERVIEW

DLM Plastics is a flexible plastics fabricator based in Findlay, Ohio, with roots dating to the early 1950s. Its product range includes pond liners, lake liners, cistern liners, tank liners, rainwater harvesting liners, secondary containment liners, water-treatment baffle curtains, tarps, covers, flexible doors, and custom fabricated flexible plastic products.

PRIMARY PRODUCT SCOPE

  • Pond Liners
  • Lake Liners
  • Geomembrane Liners
  • Cistern Liners
  • Tank Liners
  • Rainwater Harvesting Liners
  • Secondary Containment Liners
  • Hydroponics Liners
  • Aquaponics Liners
  • Water-Treatment Baffle Curtains
  • Tarps
  • Covers
  • Flexible Curtains
  • Flexible Doors
  • Custom & Contract Manufacturing

LANDSCAPE ARCHITECTURE RELEVANCE

  • Pond and lake water containment
  • Decorative water-feature liner applications
  • Cistern and tank liner retrofits
  • Rainwater harvesting and irrigation storage
  • Stormwater and reservoir containment
  • Hydroponic and aquaponic growing systems
  • Secondary containment for site and facility applications

LINER AND CONTAINMENT TYPES

  • Pond Linersflexible liners for backyard ponds, landscape ponds, water gardens, koi ponds, farm ponds, golf courses, and commercial aquaculture applications
  • Lake Linersgeomembrane liner products for decorative lakes, reservoirs, ponds, canals, and larger water-containment applications
  • Cistern Linerscustom drop-in liners for cisterns, catchment tanks, water-storage tanks, and retrofit containment applications
  • Rainwater Harvesting Linersliners for potable and non-potable rainwater harvesting tanks and cistern systems
  • Secondary Containment Linersflexible liners for containment pits, bermed areas, basins, tanks, equipment areas, and spill-control applications
  • Hydroponics and Aquaponics Linerscontainment products for grow beds, troughs, sumps, fish tanks, greenhouse systems, and controlled-environment growing applications

RELATED PRODUCT LINES

  • Water-Treatment Baffle Curtainsflexible curtain systems used in clearwells and other water-treatment structures to direct flow and improve contact time
  • Tarps and Coverscustom fabricated flexible plastic covers, tarps, and protective enclosure products
  • Flexible Curtains and Doorsfabricated flexible partitions, doors, and curtains for industrial, aviation, enclosure, and facility applications

CUSTOM CAPABILITIES

  • Custom liner fabricationproject-specific liners produced for custom sizes, shapes, dimensions, and containment layouts
  • Flexible plastic welding and seamingfabrication processes for flexible sheet materials used in liners, barriers, curtains, and containment products
  • Drop-in liner productioncustom liners manufactured for cisterns, tanks, reservoirs, and retrofit containment work
  • Potable and non-potable water applicationsmaterial options for drinking-water, rainwater harvesting, irrigation, and non-potable water containment requirements
  • Custom & contract manufacturingfabrication of specialty flexible plastic products, enclosures, curtains, tarps, covers, and containment components

MANUFACTURER NOTE

Manufacturer information, product lines, features, availability, and specifications can change. Always review the manufacturer’s website and current product literature directly to confirm details before specifying or purchasing.

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