Best Polyguard in 2026

PVC pond liners are the most cost effective versatile and adaptable liners available. Ideal for ponds of all sizes with steep or gentle sloping sides, tight corners, contours and shelving.

Pliable and flexible; conforms to a variety of irregular surfaces. Excellent choice for water gardens, fish ponds and backyard waterfalls. This light weight liner is easy to install.

Attaches easily to waterfall boxes, weirs and skimmers. Remains flexible and pliable even in extreme hot or cold temperatures.

PVC pond liners are the most cost effective versatile and adaptable liners available. Ideal for ponds of all sizes with steep or gentle sloping sides, tight corners, contours and shelving.

Pliable and flexible; conforms to a variety of irregular surfaces. Excellent choice for water gardens, fish ponds and backyard waterfalls. This light weight liner is easy to install.

Attaches easily to waterfall boxes, weirs and skimmers. Remains flexible and pliable even in extreme hot or cold temperatures.

PVC pond liners are the most cost effective versatile and adaptable liners available. Ideal for ponds of all sizes with steep or gentle sloping sides, tight corners, contours and shelving.

Pliable and flexible; conforms to a variety of irregular surfaces. Excellent choice for water gardens, fish ponds and backyard waterfalls. This light weight liner is easy to install.

Attaches easily to waterfall boxes, weirs and skimmers. Remains flexible and pliable even in extreme hot or cold temperatures.

PVC pond liners are the most cost effective versatile and adaptable liners available. Ideal for ponds of all sizes with steep or gentle sloping sides, tight corners, contours and shelving.

Pliable and flexible; conforms to a variety of irregular surfaces. Excellent choice for water gardens, fish ponds and backyard waterfalls. This light weight liner is easy to install.

Attaches easily to waterfall boxes, weirs and skimmers. Remains flexible and pliable even in extreme hot or cold temperatures.

Versatile and cost-effective pond liner adapts to the curves, slopes, corners, and contours to retain water in your pond

Conforms to the edges and irregular surfaces of backyard ponds, water gardens, or waterfall landscaping

Remains pliable in extreme hot or cold temperatures to provide a durable, all-year lining for ponds, waterfall boxes, weirs, and skimmers

Rot Shield is Installed as a protection flashing between structural deck joists and deck boards, and features unique labeling for ease of installation.

Prevents moisture build-up on the top edge of a joist, which reduces the probability of rot and decay of the joist. Can also be applied in cold temperatures.

Self-adhering, self-sealing tape consisting of rubberized asphalt waterproof coating, laminated to polyethylene film. No priming is required, single-step process.

The easy way to coat, seal, protect, and stop leaks fast! Once dry, can be painted any color

Seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating. Stays flexible and pliable; lasts many years

Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies

HEAVY DUTY – 6 Ounce Heavy Duty Geotextile – Don’t settle for lighter weights, the 6 ounce is tough and durable, non-woven fabrics are produced to be high-strength

EASY TO INSTALL – Save time and money, we stock many sizes to cut down on scrap, one single piece cut to exact dimensions

MADE TO LAST – Will last many years and stands up to the toughest conditions, Superior strength, dimensionally stable, UV/rot resistant

45 Mil EPDM Fish Safe Liner with a 20 Year Limited Manufacturers Warranty.

This Top Grade Tear and Puncture Resistant 45 mil EPDM liner is perfect for adding a stream or for lining your waterfall.

Never settle for PVC or anything less than 45 mil EPDM PondGard Liner.

45-Mil EPDM Rubber Pond liner with UnderGuard Underlayment has a Limited Lifetime Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

45-Mil EPDM Rubber Pond liner with UnderGuard Underlayment has a Limited Lifetime Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

POND & STONE GAP FILLER. This black colored closed-cell polyurethane foam sealant bonds to porous and nonporous rocks or stones without the use of mortar. Expanding up to 1", create a long-lasting, airtight and water-resistant seal for outdoor projects.

STRAW-APPLIED. Save time on your projects with this simple to use spray foam — the straw applicator makes any project a breeze and helps you deliver the right amount of insulating foam even in hard to reach spaces.

SPRAY ANYWHERE. Specifically designed to blend in and withstand moist conditions, use on retaining walls, water features, landscaping and more. Bonds without mortar and can be applied to damp and dry surfaces. Lasts for years in wet conditions.

45-Mil EPDM Rubber Pond liner with 25-Year Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

45-Mil EPDM Rubber Pond liner with 25-Year Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

45-Mil EPDM Rubber Pond liner with UnderGuard Underlayment has a Limited Lifetime Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

45-Mil EPDM Rubber Pond liner with UnderGuard Underlayment has a Limited Lifetime Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

45-Mil EPDM Rubber Pond liner with UnderGuard Underlayment has a Limited Lifetime Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

45-Mil EPDM Rubber Pond liner with 25-Year Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

PROTECTIVE FINISH FOR - Foundations, ICF's, Basements, Shower Liners, Deck and Fence Posts, Planter Boxes, Metal, Wood, Concrete and more

HIGHLY FLEXIBLE - Sealant final membrane has over 900% elongation in the sealing material preventing adhesion failure causing cracks and taring. Flat/Ponding Surface: 50 sq ft/G per coat

EASY TO APPLY - No mixing required! Apply by brush, roller or high quality piston paint sprayer. Container can be closed and left over material used later. No pot life or working time like 2 component products

45-Mil EPDM Rubber Pond liner with 25-Year Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

20 Year Limited Manufacturers Warranty

45 Mil (1.14 mm) (0.045") EPDM

75 Year Life Expectancy

45-Mil EPDM Rubber Pond liner with 25-Year Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

20 Year Limited Manufacturers Warranty

45 Mil (1.14 mm) (0.045") EPDM

75 Year Lift Expectancy

PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more

HIGHLY FLEXIBLE & DURABLE - Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product

COVERAGE - Vertical Surfaces - 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces - 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane

The easy way to coat, seal, protect, and stop leaks fast! Once dry, can be painted any color

Seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating. Stays flexible and pliable; lasts many years

Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies

PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more

HIGHLY FLEXIBLE & DURABLE - Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product

COVERAGE - Vertical Surfaces - 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces - 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane

20 Year Limited Manufacturers Warranty

45 Mil (1.14 mm) (0.045") EPDM

75 Year Life Expectancy

Flex Seal Liquid is liquid rubber in a can! Now you can brush, roll, dip or pour it on!

Use anywhere you need a watertight, flexible rubberized coating

Goes on smooth and covers fast, sealing out water, air and moisture

The easy way to coat, seal, protect, and stop leaks fast! Once dry, can be painted any color

Seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating. Stays flexible and pliable; lasts many years

Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain