Best Plastic Cover For Greenhouse: Films and Replacement Covers

#1 · Best Overall

1. Farm Plastic Supply Greenhouse Plastic

• Size: 25'W x 40'L
• Dimensions: 480"L x 300"W x 100"H
• Weight: 30 lb

Best for: Large Multi-Season Greenhouse Film.

Why it ranks #1: Its 25-by-40-foot, 6-mil polyethylene sheet lists four-year UV resistance and greater than 90% light transmittance for broad greenhouse coverage.

A 25-by-40-foot sheet with four-year UV resistance suits growers covering a broad hoop house or agricultural area for extended use. The 6 mil clear polyethylene also specifies greater than 90% light transmittance, helping substantial coverage admit natural light for plants.

The 25-foot-by-40-foot dimensions provide broad coverage for gardening, farming, or a hoop house, while 6 mil polyethylene offers a tough film surface for greenhouse use. Anti-aging UV additives are specified to protect against UV rays and support long-term use; the four-year UV-resistant rating gives a stated service-duration reference. Greater than 90% light transmittance helps preserve natural illumination beneath the clear cover. At 30 pounds, this large sheet calls for planning its handling and installation.

Skip it if you need a cover for a small four-tier rack; GreenGiggle’s 27 x 19 x 62-inch replacement cover is sized for that frame type.

A strong fit for growers covering large gardens, farms, or hoop houses who value a stated UV-resistance period and high light transmission. Plan for the sheet’s large dimensions and 30-pound handling weight.

Listed on Amazon as: Farm Plastic Supply – Clear Greenhouse Plastic Sheeting – 6 mil – (25' x 40') – 4 Year UV Resistant Polyethylene Greenhouse Film, Hoop House Green House Cover for Gardening, Farming, Agriculture

#2 · Large Sheet Option

2. chicarry Greenhouse Film

• Dimensions: 300 x 144 x 0.01 in
• Weight: 7.37 lb

Best for: Flexible Farm and Garden Film.

Why it ranks #2: This 12-by-25-foot, 6-mil polyethylene film uses five-layer co-extrusion and is described as tear resistant and UV resistant.

Five-layer co-extrusion gives this 6 mil polyethylene film mechanical strength and flexibility, helping cover a greenhouse while handling the demands of farm and garden use. Its clear construction is intended to transmit light, and UV resistance adds protection for plants in high-temperature conditions.

The 12-by-25-foot title size offers a substantial sheet for greenhouse or agricultural coverage, while the 6 mil polyethylene construction balances toughness with flexibility during placement. Five-layer co-extrusion supports mechanical strength, and the stated tear resistance helps the film withstand handling in use. High light transmittance lets light reach plants beneath the clear cover; UV resistance is specified for protection at high temperatures. The package includes one sheet, so installation materials are not part of the listed contents.

Skip it if you need an unambiguous sheet length before planning a frame; Farm Plastic Supply’s 25 x 40-foot film has stated dimensions.

A practical candidate for growers seeking flexible, clear polyethylene film for farm or garden coverage, especially where UV resistance matters. Resolve the listed length discrepancy before laying out a frame or cutting the sheet.

Listed on Amazon as: Greenhouse Plastic Sheeting, 12 x 25ft 6 mil Clear Greenhouse Film, UV Resistant Plastic Sheeting Heavy Duty, Polyethylene Green House Plastic Cover for Farms, Garden, Agriculture

#3 · High Light Transmission

3. PROMORE Greenhouse Plastic

• Size: 12×25 FT
• Dimensions: 300 x 144 x 0.01 in
• Weight: 6.45 lb

Best for: High-Light Diffusion Film.

Why it ranks #3: The 12-by-25-foot, 6-mil LDPE sheet states greater than 90% light transmission and built-in UV blockers filtering over 20% of rays.

Greater than 90% light diffusion is the key feature of this 12-by-25-foot greenhouse sheet, helping distribute incoming natural light across a covered growing area. Its 6 mil industrial-grade LDPE construction adds tear resistance, while built-in UV blockers filter more than 20% of harmful rays.

The 12-by-25-foot format gives growers a defined sheet size for covering a greenhouse or other protected area. Made from 100% new industrial-grade LDPE at 6 mil thickness, the film is specified for toughness and tear resistance, useful when positioning it over a structure. Light diffusion above 90% spreads natural light rather than concentrating it in one area. Built-in UV blockers filter over 20% of harmful rays and are also stated to help prevent film degradation.

Skip it if you need a stated multi-year UV rating; Farm Plastic Supply specifies four-year UV resistance for its 25 x 40-foot film.

Choose this film when a defined 12-by-25-foot sheet, tear resistance, and diffused light suit your greenhouse plan. Its UV filtering is quantified, but no service-life duration is provided in the supplied details.

Listed on Amazon as: 6 Mil Plastic Sheeting, 12×25 FT, Greenhouse Plastic,Heavy Duty

#4 · Long Narrow Sheet

4. Legigo Greenhouse Plastic

• Dimensions: 13.2 x 2.7 x 16 in
• Weight: 9.5 lb

Best for: Winter Plant Protection Sheet.

Why it ranks #4: Its 10-by-50-foot, 6-mil polyethylene sheet provides a long continuous covering option and is described for plant and freeze protection.

A 10-by-50-foot sheet gives this 6 mil polyethylene cover ample length for a winter growing area or extra plant protection. Its clear film lets sunlight reach plants while retaining heat, combining light access and cold-weather coverage in a single sheet.

The generous 10-by-50-foot size can cover a sizable winter planting area or serve as an extra protective layer over plants. At 6 mil thick, the polyethylene is described as strong and tough, supporting use as a durable cover. Unlike opaque fabric, the clear sheeting allows sunlight to reach plants and retains heat to help keep them warm in winter. The supplied details do not list grommets or a fastening system, so growers must plan how to secure it.

Skip it if you need built-in grommets for attachment; Ansgery’s 16 x 20-foot tarp is listed with grommets.

A practical choice for growers covering winter plantings who want a long, clear polyethylene sheet that admits sunlight and retains heat. Plan a separate securing method because fastening hardware is not specified.

Listed on Amazon as: 10 X 50 Ft Clear Greenhouse Plastic, Plant Covers Freeze Protection

#5

5. Xstronq Greenhouse Sheeting

• Size: 6.5ft x 10ft
• Dimensions: 1"L x 1"W x 1"H
• Weight: 9.6 oz

Best for: Compact Hoop-House Cover.

Why it ranks #5: The 6.5-by-10-foot, 6-mil PE film suits smaller projects and is described as UV resistant, with diffused light for more even illumination.

A 6.5-by-10-foot sheet can be secured with clips, stones, wood, stakes, or other heavy objects, giving small greenhouse and hoop-house growers several ways to anchor the cover. Its 6 mil polyethylene film also offers UV resistance and diffused light for plant coverage.

The 6.5-by-10-foot size suits a more limited covering area than large farm-film rolls, while the 6 mil polyethylene is specified for tensile strength and durability. Multiple anchoring options—clips, stones, wood, stakes, or other heavy objects—let growers adapt installation to a frame or hoop setup. The film’s light diffusion scatters illumination around the structure, supporting more even lighting inside. Secure it for stability, as the supplied safety information calls for heavy objects or frame-and-hoop use.

Skip it if you need prolonged outdoor UV exposure; Farm Plastic Supply’s film is specified with four-year UV resistance.

Consider this sheet for a compact hoop house or yard setup where flexible anchoring and diffused light are useful. Its stated caution about prolonged UV exposure makes that limitation important for exposed installations.

Listed on Amazon as: 6.5×10 FT Greenhouse Plastic Sheeting, 6 Mil Clear Poly Film Cover

#6 · Thick Woven Cover

6. ZSLTLDU Greenhouse Cover

• Size: Clear White 14' x 18'

Best for: Woven Multi-Season Farm Cover.

Why it ranks #6: This 14-by-18-foot, 18-mil, three-layer woven polyethylene tarp is UV treated and lists greenhouse, garden, and farm uses.

Three-layer woven polyethylene at 18 mil thickness gives this 14-by-18-foot clear-white cover a heavy-duty construction intended to resist tears and punctures. UV treatment is specified to resist premature aging, brittleness, and cracking, supporting repeat seasonal use in gardens, farms, or greenhouses.

The 14-by-18-foot size provides a defined covering area for a greenhouse, garden, farm, chicken coop, patio, or porch. Its three-layer woven polyethylene construction and 18 mil thickness are specified for tear and puncture resistance, which supports use where ordinary tarps may be less robust. UV treatment targets premature aging, brittleness, and cracking from prolonged sun exposure. The supplied details do not state a light-transmission percentage, so consider that when selecting a cover for plant growth.

Skip it if you need a specified light-transmission level; Farm Plastic Supply lists greater than 90% for its clear film.

A fit for growers needing a thick woven cover across a greenhouse, farm, garden, or other listed outdoor use. Its UV treatment and tough construction are clear benefits, but light transmission is not quantified.

Listed on Amazon as: 18 Mil Greenhouse Cover, 14x18FT Clear Tarps Heavy Duty Waterproof

#7

7. Ansgery Greenhouse Cover

• Size: 16X20FT

Best for: Extra-Thick Weatherproof Tarp.

Why it ranks #7: The 16-by-20-foot, 20-mil double-layer woven polyethylene tarp offers heavy-duty construction and grommets, though its recommended use lists camping.

At 20 mil thick, this 16-by-20-foot clear tarp uses double-layer woven polyethylene for added puncture resistance and structural toughness. Its stated all-weather protection targets wind, heavy rain, frost, and dust, making it an option for growers seeking a heavier cover than standard greenhouse film.

The 16-by-20-foot size offers a substantial sheet for greenhouse or garden coverage, and the 20 mil thickness with double-layer woven polyethylene emphasizes puncture resistance and toughness. Those construction details support use where the cover may face rough outdoor conditions. The listing describes protection from strong wind, heavy rain, frost, and dust, including extreme cold. Clear color is specified, but the supplied information does not give a light-transmission percentage or installation hardware, so plan the mounting separately.

Skip it if you need a quantified light-transmission figure; Farm Plastic Supply specifies greater than 90% for its greenhouse film.

Consider this for growers prioritizing a thick, puncture-resistant sheet and broad weather protection over a stated light-transmission specification. Its dimensions suit substantial coverage, while mounting hardware is not listed.

Listed on Amazon as: 16X20FT Greenhouse Cover,20Mil Heavy Duty Clear Tarp with Grommet

#8

8. GreenGiggle PVC Replacement Cover

• Size: 27”L x 19”W x 62”H
• Dimensions: 27"L x 19"W x 62"H

Best for: Four-Tier Mini Greenhouse Cover.

Why it ranks #8: This clear PVC cover is designed for a 27-by-19-by-62-inch, four-tier frame and includes a roll-up zipper door; the frame is not included.

Reinforced inner ties help stabilize this 27-by-19-by-62-inch PVC cover on a compatible four-tier mini-greenhouse frame. Its roll-up door and smooth zippers provide access, while waterproof, UV-protected material shields plants from heavy rain and intense sunlight.

The stated 27-by-19-by-62-inch dimensions target standard four-tier greenhouse frames, allowing owners to reuse a frame when replacing a worn cover. Tear-resistant PVC is described as waterproof and UV-protected, helping shield plants from rain and intense sunlight. Reinforced inner ties support a stable fit, while the roll-up door and smooth zippers make routine access easier. The frame is not included, so buyers need the matching structure rather than expecting a complete greenhouse.

Skip it if you have a 27 x 19 x 63-inch frame; UWIOFF lists a replacement cover with those dimensions.

Best suited to owners replacing a cover on a compatible 27-by-19-by-62-inch, four-tier mini greenhouse. The access features and stabilizing ties are useful, but the frame must be supplied separately.

Listed on Amazon as: 4 Tier PVC Greenhouse Replacement Cover, 27 x 19 x 62 inch Clear PVC Greenhouse Cover with Roll-Up Zipper Door

#9

9. UWIOFF Greenhouse Replacement Cover

• Size: 4 Tier Greenhouse Cover Only
• Dimensions: 27"L x 19"W x 63"H
• Weight: 0.45 kg

Best for: Tool-Free Four-Tier Replacement.

Why it ranks #9: The clear PVC replacement cover has a roll-up zippered door and screened ventilation, but fits a specific 27-by-19-inch four-tier frame.

This clear PVC cover slides over a four-tier frame and is described as assembling without tools, making it a straightforward replacement for a worn cover. A zippered roll-up door supports access, while screened ventilation and waterproof material help manage airflow and rain protection.

The listed dimensions are 27 inches long by 19 inches wide, with product information giving heights of both 61 and 63 inches, so frame height deserves attention. Clear PVC lets sunlight reach plants, and the waterproof material offers protection from moisture. A zippered roll-up door gives access to the tiers, while screened ventilation supports air circulation. The cover slides over the frame and requires no tools for assembly, but the frame itself is not included.

Skip it if you require a single confirmed height before matching a frame; GreenGiggle lists a consistent 62-inch cover height.

A useful replacement for owners of a compatible four-tier greenhouse who value clear PVC, screened ventilation, and tool-free setup. Check the listed height discrepancy against the frame before relying on a precise fit.

Listed on Amazon as: UWIOFF 4-Tier Greenhouse Replacement Cover, Clear

#10

10. DECOHS Walk-In Replacement Cover

• Size: 56 x 56 x 76 inch
• Dimensions: 56"L x 56"W x 76"H
• Weight: 1.75 kg

Best for: Walk-In PVC Cover Replacement.

Why it ranks #10: This PVC cover has a roll-up zipper door and measures 56 by 56 by 76 inches, making it a specialized replacement rather than flat greenhouse film.

A roll-up shutter and zipper door give this 56-by-56-by-76-inch PVC replacement cover adjustable access and ventilation for a walk-in greenhouse. Its waterproof and anti-UV construction helps shield plants from rain and sun, while the clear cover admits sunlight.

This cover’s 56-by-56-by-76-inch dimensions identify it as a replacement for a matching walk-in greenhouse, not a freestanding sheet. The roll-up shutter and zipper door make it possible to access plants and manage airflow without removing the cover. PVC construction is listed as waterproof and anti-UV, supporting protection from rain and sun exposure. The frame is not included, so installation depends on having a compatible greenhouse structure already available.

Skip it if you need plastic film for a custom-sized hoop house; PROMORE’s 12 x 25-foot sheeting is a flat-cover alternative.

A sensible replacement option for owners of a matching 56-by-56-by-76-inch walk-in greenhouse who want a door and roll-up ventilation. It is cover-only, so a compatible frame must already be on hand.

Listed on Amazon as: Walk-in Greenhouse Replacement Cover with Roll-Up Zipper Door -56 x 56 x 76 Inch PVC Greenhouse Cover for Outdoor Plant Gardening Plants Cold Frost Protection Wind Rain Proof (Frame Not Include)