A strong greenhouse panel should admit useful daylight, suit your roof dimensions, and provide the weather protection you need; corrugated fiberglass sheets are a natural fit for many DIY greenhouse roofs. This roundup compares eight listings, including 1mm and 1.2mm panels, compact sheets, larger formats, and a roll-form option. The product descriptions frequently mention resin and fiberglass, but some titles or details also call panels polycarbonate or plastic, so verify the material and profile before ordering.
Check the listed size and pack configuration against your roof layout, too: these vary substantially and are not interchangeable. The rankings favor stated greenhouse use, relevant sheet specifications, and practical details such as light transmission or drainage, while noting where the supplied product information leaves important questions unanswered.
The KDDEON Corrugated Roof Cladding Panel ranks first because its listing explicitly describes a resin-and-fiberglass corrugated panel for greenhouse and roof use, with impact resistance, flame retardance, weather resistance, and longitudinal grooves for drainage. It is offered in a 35×59-inch, three-piece configuration. For a different fit, JCQXDL Clear Roofing Panel gives a stated 1.2mm thickness and 35×67-inch size, while HIOSIEFUO Corrugated Roof Cladding Panel lists a larger 35×75-inch format.
Our Top Picks
KDDEON Corrugated Cladding Panel
Its listing explicitly names greenhouse use and resin-plus-fiberglass construction, with corrugated drainage grooves and a 35×59-inch, three-piece option.
View on Amazon
Thicker SheetThe 1.2mm thickness and 35×67-inch three-piece option are clearly stated, alongside fiberglass daylighting use and a listed -40°C to 120°C range.
View on Amazon
Long Panel FormatHIOSIEFUO Corrugated Cladding Panel
Its listed 35×75-inch size and 20-piece option suit projects needing extensive coverage; the description specifies resin-fiberglass construction and corrugated drainage.
View on Amazon- UV-Focused Choice KDDEON Fiberglass Daylighting Sheet
- Roll-Form Option GY8PKVWKWQ Fibreglass Sheet
Compare the Greenhouse Panel Options
| # | Product | Material | Buy |
|---|---|---|---|
| 1 | 1. KDDEON Corrugated Cladding PanelBest Overall | Resin + Fiberglass | View on Amazon |
| 2 | 2. JCQXDL Clear Roofing PanelThicker Sheet | resin | View on Amazon |
| 3 | 3. HIOSIEFUO Corrugated Cladding PanelLong Panel Format | — | View on Amazon |
| 4 |  4. KDDEON Fiberglass Daylighting SheetUV-Focused Choice | Fiberglass, Glass, Resin | View on Amazon |
| 5 |  5. Generic Clear Roofing PanelFive-sheet daylighting roof projects | — | View on Amazon |
| 6 |  6. GY8PKVWKWQ Fibreglass SheetRoll-Form Option | — | View on Amazon |
| 7 |  7. HHFSST Splicable Roofing SheetWeather-exposed corrugated greenhouse roofs | Fiberglass + Resin | View on Amazon |
| 8 |  8. Pxzybd Garden Roof PanelsFlexible greenhouse replacement roofing | Plastic | View on Amazon |
Detailed Reviews: Best Fiberglass Panels For Greenhouse
#1 · Best Overall
1. KDDEON Corrugated Cladding Panel
- Material: Resin + Fiberglass
Best for: Rain-shedding greenhouse roof panels.
Why it ranks #1: Its listing explicitly names greenhouse use and resin-plus-fiberglass construction, with corrugated drainage grooves and a 35×59-inch, three-piece option.
Longitudinal grooves are the key practical feature of this KDDEON sheet: they channel rainwater along the corrugated panel rather than letting it collect on the roof. Made from resin and fiberglass, the listing also describes impact resistance and weather resistance, making this a daylighting option for greenhouse, canopy, or carport coverage.
The corrugated profile combines a drainage path with a stated waterproofing role at the longitudinal seams, which can help limit leakage when the roof is installed appropriately. Resin and fiberglass are described as impact-resistant, flame-retardant, weather-resistant, and capable of high load-bearing capacity. That construction supports use as roof or wall covering across varied weather. The listing describes FRP panels as easy to install and maintain and notes that they will not rust, a useful distinction for ongoing outdoor upkeep.
- Longitudinal grooves direct rainwater for drainage
- Grooved seams are described as supporting waterproofing
- Resin and fiberglass are described as impact- and weather-resistant
- FRP panels are described as easy to install and maintain and will not rust
- The listed option contains three panels, limiting coverage to that supplied quantity.
Skip it if you need a larger supplied quantity than three panels; calculate the coverage required before choosing this listed set.
This fits buyers covering a greenhouse, canopy, or carport who value grooved runoff paths and low-maintenance FRP construction. Check the roof area against the three-panel quantity and plan installation so the seams and grooves can serve their drainage purpose.
Full product details
| Brand | KDDEON |
|---|---|
| Color | 3 Pcs |
| Item Form | Sheet |
| Manufacturer | yangxiaozahuodian |
| Material | Resin + Fiberglass |
Listed on Amazon as: Corrugated Roof Cladding Panel,3/5/7/8/11/12/18 Pcs Fiberglass Daylighting Panels,Roofing Sheet,Sun Protection Heat-Insulating Panels,for Greenhouse Canopy Carport (35x59in,3 pcs)
View on Amazon#2 · Thicker Sheet
2. JCQXDL Clear Roofing Panel
- Material: resin
Best for: Temperature-range greenhouse roofing.
Why it ranks #2: The 1.2mm thickness and 35×67-inch three-piece option are clearly stated, alongside fiberglass daylighting use and a listed -40°C to 120°C range.
A stated operating range from -40°C to 120°C distinguishes this 1.2mm JCQXDL panel for greenhouse roofs facing large temperature swings. The listing also describes the FRP daylighting board as lightweight, impact-resistant, and insulating, so it combines weather protection and light transmission in a corrugated roofing format.
The stated low- and high-temperature limits give buyers a concrete range to consider when selecting roof covering for varied conditions. Its impact resistance and compression resistance are presented alongside insulation and sound reduction, linking the material to both protection and a quieter covered space. The lightweight FRP construction may simplify handling, while the easy-to-roll-and-cut title supports shaping and transport. The listed package has three panels sized 35 by 67 inches, so check the total roof area against those dimensions.
- Rated for temperatures from -40°C to 120°C
- Described as impact- and compression-resistant
- Lightweight FRP construction is described as insulating
- Easy-to-roll-and-cut format is stated in the title
- The listed package contains three 35-by-67-inch panels.
Skip it if you need more than three 35-by-67-inch sheets from one package; this listing specifies a three-panel set.
This is a fit for buyers seeking a lightweight FRP greenhouse roof panel with a stated broad temperature range and cuttable, rollable format. Check that the three-panel quantity and 35-by-67-inch size match the roof plan.
Full product details
| Brand | JCQXDL |
|---|---|
| Item Weight | 2.2 pounds |
| Item model number | 678345689 |
| Manufacturer | JCQXDL |
| Package Dimensions | 23.62 x 5.91 x 4.33 inches |
| Tick-repellent material | resin |
#3 · Long Panel Format
3. HIOSIEFUO Corrugated Cladding Panel
Best for: Large-area greenhouse roof coverage.
Why it ranks #3: Its listed 35×75-inch size and 20-piece option suit projects needing extensive coverage; the description specifies resin-fiberglass construction and corrugated drainage.
The listed 20-sheet set pairs 35-by-75-inch panels with corrugated drainage grooves, offering a substantial amount of roof covering in one selection. HIOSIEFUO describes the resin-and-fiberglass sheets as impact-resistant and weather-resistant, while the listing also says they are easy to cut for fitting coverage to a project.
Each panel is described as supporting up to 60KG, and the material is characterized as impact-resistant, flame-retardant, and weather-resistant. Those properties suit a roof covering exposed to varied weather, while corrugated grooves help route rainwater away rather than leave it pooled. The clear daylighting format makes the panels relevant to greenhouse roofs, and the stated easy-cutting feature gives installers a way to adjust panels to the covering area. The 20-sheet quantity is useful for projects needing multiple panels.
- Set contains 20 panels
- Listed panel size is 35 by 75 inches
- Corrugated grooves support rainwater drainage
- Panels are described as easy to cut and able to support up to 60KG each
- The 35-by-75-inch panels require cutting when the project calls for smaller pieces.
Skip it if you need small panels without cutting them down; these listed sheets measure 35 by 75 inches and are described as easy to cut.
Consider this set for a greenhouse roof needing many large daylighting panels and a corrugated runoff path. The 20-sheet quantity and 35-by-75-inch dimensions suit broad coverage, but measure the layout and account for cuts before installation.
Full product details
| Brand | HIOSIEFUO |
|---|---|
| Color | 20pcs |
| Item Weight | 2.2 pounds |
| Item model number | HIOSIEFUO |
| Manufacturer | HIOSIEFUO |
| Dimensions | 35.43 x 35.43 x 1.97 inches |
| Size | 35x75in |
Listed on Amazon as: Corrugated Roof Cladding Panel,1mm Fiberglass Daylighting Panels,4/5/6/8/10/12/15/20 Pcs Plastic Roofing Panels,Greenhouse Shed Roofing Cladding Panel,Easy to Cut(20pcs,35x75in)
View on Amazon#4 · UV-Focused Choice
4. KDDEON Fiberglass Daylighting Sheet
- Material: Fiberglass, Glass, Resin
Best for: UV-conscious small greenhouse roofs.
Why it ranks #4: The listing describes fiberglass and resin construction, high light transmission, and UV blocking, with a compact 35×31-inch, three-piece configuration.
Longitudinal corrugations pair with a high light-transmission surface, giving this KDDEON panel a roof-lighting role while channeling water along the sheet. Its stated UV blocking and soft-light properties suit gardeners seeking daylight for plants without the glare described for clearer, harsher light. The listed three-piece set measures 35 by 31 inches per sheet.
The fiberglass-and-resin construction is described as impact-resistant, while the corrugated grooves support drainage and help direct runoff away from the roof. High light transmission brings daylight into a greenhouse, and the stated UV blocking helps protect the FRP panel from yellowing and aging. The B1-level flame-retardant claim may matter when choosing a roof covering, with the listing saying it self-extinguishes and produces no toxic gases during burning. Plan around the three-sheet quantity and stated dimensions.
- High light transmission for greenhouse roof lighting
- Soft light is described as non-dazzling
- UV blocking is intended to limit panel yellowing and aging
- Corrugations support drainage; fiberglass and resin are described as impact-resistant
- The listed set contains only three 35-by-31-inch sheets.
Skip it if you need larger individual sheets or more coverage than three 35-by-31-inch panels provide; compare available sheet dimensions before planning the roof.
Choose this set for a small greenhouse roof where daylight, stated UV protection, and corrugated drainage matter. Its listed three-panel quantity and 35-by-31-inch sheet size set a clear coverage boundary, so calculate the roof area before selecting it.
Full product details
| Brand | KDDEON |
|---|---|
| Color | 3 Pcs |
| Item Form | Sheet |
| Manufacturer | yangxiaozahuodian |
| Material | Fiberglass, Glass, Resin |
Listed on Amazon as: Clear Roofing Sheet,Cladding Walling Sheeting,Greenhouse Shed Roof Panel,Side Panels Roofing Tiles,1mm Fiberglass Daylighting Panels,3/5/8/12/15/18/20 Pcs Corrugated Sheet (35x31in,3 pcs)
View on Amazon#5
5. Generic Clear Roofing Panel
Best for: Five-sheet daylighting roof projects.
Why it ranks #5: This 1mm corrugated FRP panel is described for greenhouses and has a grooved drainage design, though the listing provides fewer sizing details.
A 1mm clear corrugated FRP sheet is presented to pass sunlight into a greenhouse while blocking harmful UV rays. The five-piece listing adds a defined quantity for planning, and grooves are intended to drain water quickly, making this option relevant to greenhouse, shed, garage, or garden roof coverage.
The clear surface is described as allowing maximum sunlight penetration for plant growth, while UV blocking addresses exposure at the same time. Corrugated grooves provide a runoff path intended to prevent water accumulation and potential roof damage. The product is listed as impact-resistant for harsh weather, which supports use beyond greenhouses in sheds, garages, gardens, and factories. Its 1mm thickness and five-sheet quantity give buyers concrete planning details; the listing also says the sheets are easy to cut.
- Clear 1mm FRP daylighting sheet
- UV blocking is stated alongside sunlight penetration
- Corrugated grooves support quick drainage
- Five sheets are listed and the panels are described as easy to cut
- The listed package contains five sheets.
Skip it if you require more than five sheets from one package; this listing specifies a five-piece set.
This suits buyers covering a greenhouse or shed roof who want clear daylighting, UV blocking, and grooved runoff. Confirm that five sheets provide the area your project needs, and use the stated cuttable format to plan the layout.
Full product details
| Brand | Generic |
|---|---|
| Manufacturer | Generic |
Listed on Amazon as: Clear Roofing Panel 1mm Corrugated 5pcs – Cladding Walling Sheeting Fiberglass Daylighting Panels Easy to Cut Greenhouse Shed Roof Panel Roofing Sheet
View on Amazon#6 · Roll-Form Option
6. GY8PKVWKWQ Fibreglass Sheet
Best for: Cut-to-shape DIY greenhouse covers.
Why it ranks #6: The 1mm sheet is delivered in roll form, can be cut or bent, and lists 85% transmittance; flattening and fixing are required before use.
Roll delivery makes this 1mm fiberglass panel easy to transport in a compact form, then it can be flattened, fixed, and cut to a needed size. The listing gives 85% light transmittance and names greenhouses, cold frames, sunrooms, carports, and canopies as possible uses, making it suited to adaptable cover projects.
The roll format can be unfolded or rolled again, which supports storage and handling before installation; the product information specifically says to flatten and fix it before use. Its stated 1mm thickness and 85% transmittance combine a thin, translucent cover with useful daylight for a greenhouse or cold frame. The panel is described as easy to bend and cut, helping DIY users shape it for varied applications. It is also listed for sunshades, fences, and carports.
- Delivered in roll form for compact handling
- Can be bent and cut to desired sizes
- Listed 85% light transmittance supports daylighting
- Named uses include greenhouses, cold frames, sunrooms, and carports
- The rolled panel must be flattened and fixed before use.
Skip it if you want a panel ready to install without first flattening and securing it; this listing requires those steps after roll delivery.
This suits DIY buyers shaping a translucent cover for a greenhouse, cold frame, or sunroom. Allow time to flatten and fix the rolled sheet, and plan cutting and attachment around the specific opening you need to cover.
Full product details
| Brand | GY8PKVWKWQ |
|---|---|
| Item Weight | 4.41 pounds |
| Item model number | GY8PKVWKWQ889 |
| Manufacturer | GY8PKVWKWQ |
| Dimensions | 0.39 x 0.39 x 0.39 inches |
Listed on Amazon as: Insulated Rainproof Greenhouse Panels,Fibreglass Sheet
View on Amazon#7
7. HHFSST Splicable Roofing Sheet
- Material: Fiberglass + Resin
Best for: Weather-exposed corrugated greenhouse roofs.
Why it ranks #7: The listing gives 85% light transmission and a -40°C to +120°C range, but calls the product polycarbonate despite specifying fiberglass and resin cover material.
A double-sided UV-resistant coating and corrugated profile give this HHFSST panel two useful roof attributes: protection against UV exposure and a shape intended to handle weather. Its stated 85% light transmission brings daylight through, while the listed operating range of -40°C to +120°C suits buyers planning for temperature variation.
The fiberglass-and-resin cover is described as impact-resistant, flame-retardant, and weather-resistant, supporting use where hail or snow accumulation is a concern. Corrugations enhance impact resistance and the undulating profile supports smooth drainage, helping avoid water accumulation. The panel is also described as shatter-resistant compared with glass. Its 85% light transmission provides daylight, and the double-sided UV-resistant coating adds protection on both faces. Handle cut edges carefully: the safety information warns they can be sharp.
- 85% stated light transmission
- Double-sided UV-resistant coating
- Corrugated design supports drainage and impact resistance
- Fiberglass and resin construction is described as shatter-resistant and weather-resistant
- Cut edges can be sharp and require careful handling during installation.
Skip it if you cannot safely handle sharp cut edges during installation; the safety information calls for care and secure fastening.
Pick this for a greenhouse roof exposed to changing temperatures or weather, where corrugation, drainage, and UV coating matter. Be prepared to handle sharp edges carefully and securely fasten the panels during installation.
Full product details
| Brand | HHFSST |
|---|---|
| Color | Clear |
| Cover Material | Fiberglass + Resin |
| Frame Material | Plastic |
| Manufacturer | VSUISW |
| Part Number | FXSIWD |
| Model Number | DFIESF |
| Size | 1 PCS 3×3.2 ft |
| Special Features | High Impact Resistance, Resistance to High and Low Temperatures, Seamless Joining |
| Additional Information | Important information Safety Information CAUTION: Sharp edges when cut. Avoid contact with skin. Handle with care during installation. Securely fasten panels to prevent movement. Keep away from direct sunlight to avoid burns. Always follow local building codes and regulations for greenhouse installation. |
Listed on Amazon as: 10pcs Polycarbonate Roofing Sheet Splicable Corrugated Plastic Panel
View on Amazon#8
8. Pxzybd Garden Roof Panels
- Material: Plastic
Best for: Flexible greenhouse replacement roofing.
Why it ranks #8: It lists greenhouse use, 75%-85% light transmission, and screws, but specifies plastic cover material and also describes the panels as polycarbonate.
The 24-by-354-inch format can be bent and cut, giving this Pxzybd clear panel a flexible route for covering greenhouse, pergola, carport, or sunroom openings. Its stated 75%–85% light transmission supports daylight for plants, while the listing describes weather resistance across -40°C to 120°C.
The long, narrow 24-by-354-inch sheet can be cut or bent to suit a project, which gives DIY installers flexibility in shaping a replacement cover. Its stated light-transmission range of 75%–85% supports greenhouse daylight, and the listing says the panels do not affect photosynthesis. It also describes resistance to wind, rain, snow, and hail, with a temperature range of -40°C to 120°C. Flatten and fix the panel before use, then anchor it properly as the safety information directs.
- 75%–85% stated light transmission
- Can be bent and cut for flexible shaping
- Listed for temperatures from -40°C to 120°C
- Weather protection is described for wind, rain, snow, and hail
- The panel must be flattened and fixed before use.
Skip it if you need a rigid sheet ready to fasten immediately; the safety information says to flatten and fix this panel first.
Choose this for a greenhouse or outdoor replacement cover where a long, cuttable sheet and stated weather resistance suit the layout. Its 24-by-354-inch dimensions and need for flattening and anchoring should guide installation planning.
Full product details
| Brand | Pxzybd |
|---|---|
| Color | W×l |
| Cover Material | Plastic |
| Door Style | Flat |
| Frame Material | Metal |
| Manufacturer | Pxzybd |
| Part Number | 19261 |
| Size | 24×354in |
Check material identity before buying
Confirm the actual panel material before treating a listing as a fiberglass recommendation. Some supplied descriptions mix terms: HHFSST calls its product polycarbonate while its specifications say the cover material is fiberglass plus resin; Pxzybd uses polycarbonate language but lists plastic cover material. Those descriptions do not establish that the products are equivalent to a clearly specified fiberglass sheet.
Check the item details and seller information for the material, thickness, profile, and installation guidance that apply to the exact configuration you plan to order. This matters for replacement jobs in particular: a panel that looks similar may not match the existing corrugation or fastening arrangement.
The product data here does not confirm profile dimensions, UV coating on every panel, or compatibility with a particular greenhouse frame, so do not infer those from a clear appearance or a general roof-panel title.
Measure the roof and plan panel overlap
Measure each roof section and account for overlap before selecting a pack, because listed formats vary and package counts alone do not reveal finished coverage. The products include options described as 35×59 inches, 35×67 inches, 35×75 inches, and 35×31 inches, as well as a 24×354-inch roll-style listing. Confirm whether dimensions refer to an individual sheet and whether the corrugations match your roof; the supplied details do not state usable coverage after overlaps.
Corrugated grooves are described as helping drainage on several panels, so their direction and alignment matter when laying sheets. The GY8PKVWKWQ sheet specifically arrives rolled and must be flattened and fixed before use.
Do not assume it will lie flat immediately or that a long roll can be installed without support. Check the seller’s installation details for fastening and overlap requirements before cutting.
How to Choose Greenhouse Fiberglass Panels
Panel dimensions and pack size
Choose a listed size and pack that fit your measured roof sections, allowing for overlap and cuts. The options include 35×31 inches for KDDEON Fiberglass Daylighting Sheet, 35×59 inches for KDDEON Corrugated Cladding Panel, 35×67 inches for JCQXDL Clear Roofing Panel, and 35×75 inches for HIOSIEFUO Corrugated Cladding Panel. Pxzybd lists a 24×354-inch format, while GY8PKVWKWQ arrives in roll form and needs flattening.
These are not necessarily comparable coverage figures, and the listings do not clarify effective area after joining. Smaller sheets may suit patching or compact roofs; longer formats may reduce the number of pieces on a larger roof.
Favor the option whose confirmed usable dimensions match your frame and minimize awkward cuts.
Thickness and light transmission
Compare stated thickness and light-transmission figures where available, rather than assuming every clear panel passes the same amount of light. JCQXDL lists a 1.2mm thickness, while several other options describe panels as 1mm; GY8PKVWKWQ states 85% transmittance, and HHFSST also lists up to 85%. Pxzybd gives a 75%-85% range.
KDDEON Fiberglass Daylighting Sheet describes high transmission and UV blocking but gives no percentage in the supplied details. These figures and claims are not supplied consistently, so they do not support a direct performance comparison across all eight products.
If documented transmission is your priority, favor listings with a stated figure; if matching an existing roof is more important, verify thickness and profile compatibility first.
Material, profile, and roof protection
Look for a clearly identified fiberglass or FRP panel and a profile suited to your roof, then verify any protection claim that matters for your site. Multiple listings describe resin-and-fiberglass construction, including KDDEON Corrugated Cladding Panel and HIOSIEFUO Corrugated Cladding Panel; others use polycarbonate or plastic language alongside fiberglass claims. Corrugated products describe grooves for drainage, and several listings mention impact or weather resistance.
JCQXDL states a -40°C to 120°C operating range, while HHFSST gives the same range but has conflicting material wording. Favor a clearly specified corrugated fiberglass product when replacing a matching roof; investigate ambiguous material descriptions before ordering.
For exposed sites, confirm the seller’s fastening and weather-use guidance instead of relying on broad resistance claims alone.
Which Fiberglass Greenhouse Panel Should You Choose?
For a general greenhouse roof project, choose KDDEON Corrugated Cladding Panel: it explicitly combines fiberglass-and-resin construction, greenhouse use, drainage grooves, and a 35×59-inch option. If you need a specifically stated thicker sheet, JCQXDL Clear Roofing Panel lists 1.2mm thickness and a 35×67-inch size. For larger listed sheets, HIOSIEFUO Corrugated Cladding Panel offers a 35×75-inch format, while KDDEON Fiberglass Daylighting Sheet is a smaller 35×31-inch option with stated UV blocking.
Choose GY8PKVWKWQ Fibreglass Sheet only if roll form suits your project and you can flatten and fix it before use. Before buying any option, confirm material identity, profile, usable coverage, and installation requirements; the supplied listings do not settle those compatibility details.
Frequently Asked Questions
How should I measure a greenhouse roof before choosing corrugated panels?
Measure each roof section’s length and width, then note its slope, edges, and any openings. Compare those measurements with each panel’s listed dimensions and account for overlap and usable coverage. The listings do not settle compatibility details, so confirm the required coverage and profile before ordering.
What fasteners and overlap should I use when installing fiberglass greenhouse panels?
Use fasteners and overlap requirements specified by the panel maker or installation instructions; the supplied listings do not identify a universal choice. Confirm that the fasteners suit the roof framing and panel profile, and plan overlaps to manage water flow without blocking drainage grooves where present.
How can I check whether a panel's light transmission and UV protection suit my plants?
Check the listing for explicit light-transmission and UV-protection details, then compare them with the needs of your plants and greenhouse conditions. The supplied titles identify some panels as clear or daylighting and one as UV blocking, but they do not provide comparable transmission figures.
Can polycarbonate panels be treated as interchangeable with fiberglass panels?
No; verify the material and compatibility rather than assuming they are interchangeable. The listings include products described as polycarbonate as well as fiberglass or fibreglass, but do not establish matching profiles, dimensions, fastening requirements, or suitability for a particular greenhouse frame.
What should I confirm before ordering a listed panel?
Confirm the material identity, corrugation profile, panel dimensions, usable coverage, and installation requirements. The listed options vary in stated size and material description; for example, some specify dimensions or thickness while others do not. Check the full listing for details that the supplied titles leave unresolved.
Final Words
For a general greenhouse roof, choose the KDDEON Corrugated Roof Cladding Panel: its listing identifies fiberglass-and-resin construction, greenhouse use, drainage grooves, and a 35×59-inch, three-piece configuration. If a stated 1.2mm thickness or 35×67-inch sheet better fits, consider JCQXDL; for a larger listed format, consider HIOSIEFUO at 35×75 inches. Before ordering, verify material, profile, usable coverage, and installation requirements.