10 Best Birchtree 4mm Polycarbonate Greenhouse Sheets in The UK
Last updated on 13/09/2025
Advertising disclosure
Advertising disclosure
Best Choice
1
BRITSHIELD® Polycarbonate Roofing & Greenhouse Sheets Clear 4mm (W:61cmxL:122cm) (ONLY UK Mainland ) (15)
BRITSHIELD
Show More
BRITSHIELD
BRITSHIELD® Polycarbonate Roofing & Greenhouse Sheets Clear 4mm (W:61cmxL:122cm) (ONLY UK Mainland ) (15)
Why We Love It
- Durable and long-lasting construction.
- Versatile for various applications.
- Easy to cut and install.
Main Highlights
- [Durable and Reliable] - Our product is made of premium polycarbonate material, which is UV-resistant, impact-resistant, water-resistant, and anti-yellowing. It has a long life span and a 10-year manufacturer guarantee.
- [Versatile and Functional] - Our product can be used for various outdoor and indoor applications, such as greenhouses, skylights, conservat`ory roofing, signage, decorative partitions, and more. It can also be used for other DIY projects according to your needs.
- [Easy to Cut and Install] - Our product is lightweight and flexible, making it easy to handle and install. You can cut it to any shape or size with a sharp knife or other tools, according to your needs. It can also be easily drilled and screwed.
- [Thermal and Sound Insulation] - Our product has a twinwall structure, which provides excellent thermal and sound insulation. It can help you save energy and reduce noise, while creating a comfortable and cozy environment for your plants and yourself.
- [Clear and Transparent] - Our product has a clear and transparent colour, which allows natural light to pass through. It has excellent optical properties and does not distort the colours or shapes of the objects behind it.
- [Weather and UV Resistant] - Our product can withstand harsh weather conditions and protect your plants from harmful UV rays. It is resistant to chemicals and does not fade or crack over time.
Show More
Value for Money
2
BIRCHTREE 4MM Polycarbonate Greenhouse Sheets 20PCS Twinwall Roofing For Outdoor Glazing Panels Replacement Shed Panel Solid PS02 Clear
BIRCHTREE
Show More
BIRCHTREE
BIRCHTREE 4MM Polycarbonate Greenhouse Sheets 20PCS Twinwall Roofing For Outdoor Glazing Panels Replacement Shed Panel Solid PS02 Clear
Why We Love It
- Versatile and DIY friendly.
- Unbreakable and child safe.
- UV and weather resistant.
Main Highlights
- 【WIDE APPLICATION】Suitable for the appliance outdoors: For cold frames, windows, carports, sheds, green houses etc. You can also use it for your DIY project, these 20 UV-resistant twin wall sheets are standard sized in 1150 x 610mm/(per piece) are ideal for every application. You can choose 14pcs or 20pcs set as you need.
- 【CUT AS YOU WANT】The polycarbonate sheets can be easily cut to any required shape or size by using a sharp stanlery knife. It is much stronger and lighter than glass, and virtually unbreakable making it safer for children.
- 【HIGH WEATHER PROFECTION】The It has a UV protective layer on the outside to prevent discolouration. With the stable material, this storage tent can withstand most of weather conditions, ensuring highly long-lasting usage.
- 【TEMPERATURE RESISTANCE】With the special UV coating, this sheet can be used as roof to resistant heat, because it can reflect the solar rays and cause much less heating in summer.
- 【EASY SET-UP】This polycarbonate sheets is flat packed for delivery. You can assemble it at the place you want without much effort. Even if you are not familiar with the procedure, it is clear and easy to finish. If you have any questions, please feel free to contact us.
Show More
3
GARDEBRUK® 14x Polycarbonate Twin Wall Sheets | 4mm | 10.25 m² | Double Wall | Roofing | Greenhouse | Clear | Multi Panels Plastic | Outdoor | Canopy | Cold Frame | 121x60.5cm
Gardebruk
15% Off
Show More
Gardebruk
GARDEBRUK® 14x Polycarbonate Twin Wall Sheets | 4mm | 10.25 m² | Double Wall | Roofing | Greenhouse | Clear | Multi Panels Plastic | Outdoor | Canopy | Cold Frame | 121x60.5cm
15% Off
Why We Love It
- Ideal for diverse applications.
- Easy to cut and transport.
- Weather and temperature resistant.
Main Highlights
- FLEXIBLE APPLICATION - Whether as a replacement part for your greenhouse, cold frame, carport or for your DIY project, these 14 UV-resistant GARDEBRUK twin wall sheets in standard size are ideal for every application - there are no limits to your creativity!
- EASY TO CUT - The polycarbonate sheets can easily be cut to size with a cutter knife or a saw. Thanks to their low weight, the panels are easy to transport and yet extremely stable thanks to their hollow space system.
- HIGH WEATHER RESISTANCE - Polycarbonate is a weather-resistant, robust material. The hollow-chamber sheets are quite resistant to cracks, hail, impacts and feature a UV coating. Perfect for your greenhouse or conservatory.
- HIGH FLEXIBILITY - The panels are flexible in a small frame and thus guarantee simple and break-free installation. They are heat-resistant up to about 120 degrees Celsius, making them ideal for long heat periods.
- GOOD TEMPERATURE RESISTANCE - The special UV coating reflects the solar rays and thus causes much less heating in summer. Its excellent thermal insulation remains in winter. This allows you to enjoy your conservatory and your plants at any time of the year!
Show More
4
Woodside 4MM Polycarbonate Replacement Greenhouse/Cold Frame Sheets, Pack of 14, Clear Roofing Roof Cladding
Woodside
Show More
Woodside
Woodside 4MM Polycarbonate Replacement Greenhouse/Cold Frame Sheets, Pack of 14, Clear Roofing Roof Cladding
Why We Love It
- Versatile for various uses.
- Easily cut to size.
- Durable in harsh conditions.
Main Highlights
- MULTIUSE – Not only can these sheets be used with polycarbonate greenhouses they are also suitable for cold frames, car ports, roofing, cladding and much more
- CUT TO SIZE – If the sheet doesn’t quite fit the space you need or you require a different shape then simply cut to shape/size with a sharp box knife
- FLEXIBLE – These sheets are ultra strong but also extremely flexible making them extremely easy to fit
- DURABLE – Tough and durable these sheets will last and last and most importantly survive even the harshest of conditions. They also protect your plants from harmful UV rays on sunny days
- SPECIFICATIONS – Both thicknesses come in packs of 14. Size 61 x 121cm. Two thicknesses available, 4mm 620g/M2 & 6mm 1100g/M2 polycarbonate
Show More
5
Arebos Polycarbonate Panel Roofing Set of 14 | 121 x 60.5 cm | polycarbonate sheets 4 mm thick | UV-resistant | 700 g/m² | transparent | for greenhouses, carports, cold frames, canopies
Arebos
Show More
Arebos
Arebos Polycarbonate Panel Roofing Set of 14 | 121 x 60.5 cm | polycarbonate sheets 4 mm thick | UV-resistant | 700 g/m² | transparent | for greenhouses, carports, cold frames, canopies
Why We Love It
- Impact-resistant and UV-resistant sheets.
- Easy installation and flexible cutting.
- Versatile applications for various uses.
Main Highlights
- [For greenhouses and gazebos] The impact-resistant and UV-resistant twin-wall sheets are specially designed for greenhouses, 4 mm thick hollow chamber sheets in standard size, suitable for all standard greenhouses and gazebos.
- [Ideal dead weight] Our UV-resistant twin-wall sheets in standard size each have a weight of 700g/m².
- [All-rounder] The range of applications for multi-skin sheets is versatile. Ideal for cold frames, horticulture, greenhouses, carports, shade, etc. The sheets are resistant to temperatures of up to around 120 degrees Celsius, which means that even long periods of heat have virtually no effect on the materials.
- [Flexible cutting] Simple, uncomplicated installation! The panels can be easily and variably cut to the dimensions of your greenhouse using a cutting knife/carpet knife.
- [High weather resistance] Polycarbonate is a weather-resistant, robust material. The hollow chamber multiwall sheets are highly resistant to breakage, hail and impact and have a UV coating. Perfect for your greenhouse or conservatory.
Show More
6
Clear Polycarbonate Greenhouse Sheets 4mm Acrylic Safety Panels for Shed Windows Outdoor Glazing Replacement Shed Panel for Greenhouse Canopy Carport Stadiums 50x100cm (19.7x39.4in)
Generic
Show More
Generic
Clear Polycarbonate Greenhouse Sheets 4mm Acrylic Safety Panels for Shed Windows Outdoor Glazing Replacement Shed Panel for Greenhouse Canopy Carport Stadiums 50x100cm (19.7x39.4in)
Why We Love It
- Shatter-resistant and safer than glass.
- High light transmittance for visibility.
- Custom sizes available for convenience.
Main Highlights
- 【PC Solid Sheet】The clear acrylic sheet is perfect for replacing shed windows, greenhouses, or children's outdoor playhouses. Acrylic sheets are more shatter-resistant, stronger, safer than glass, optically clearer, and won't tarnish from sunlight.
- [Polycarbonate sheet] PC solid sheet is widely used in various construction and decoration needs. It has the characteristics of light weight, high light transmittance, good heat insulation, no discoloration when exposed to sunlight, and is not easy to break. It is durable. Whether it is hot summer or cold winter, it is a good choice.
- 【Durable】Solid PC sheet with super high impact resistance and transparency. Under normal conditions, they are nearly unbreakable, as transparent as glass and less than half the weight of glass. Solid PC sheet can be cold bent and is ideal for vaulted roofs, skylights, architectural roofs and is also excellent as a material for machine guards, sound barriers, vandalism and safety glazing.
- 【Multipurpose】These acrylic sheets can be used for a variety of DIY and professional projects, such as home or table decoration, laser engraved signs, direct print signs, hobby display cases, pictures, posters and image covers, home decor, outdoor windows and fish tanks, art Protectors, shelves, etc.
- 【Customized Size】In addition to the existing size, we can also customize different sizes according to your needs. If you need them, please contact us by email. We will provide you with product prices and ordering methods. The maximum customized size cannot exceed 60x120cm, for example: you can customize 58x118cm.
Show More
7
Warmfay 14PCS Polycarbonate Greenhouse Sheets 1210X605mm, 4mm Clear Greenhouse Panels Polycarbonate UV Resistant, Easy to Cut & Install, Twin Wall Plastic Roofing Sheet Heat and Sound Insulation
Warmfay
Show More
Warmfay
Warmfay 14PCS Polycarbonate Greenhouse Sheets 1210X605mm, 4mm Clear Greenhouse Panels Polycarbonate UV Resistant, Easy to Cut & Install, Twin Wall Plastic Roofing Sheet Heat and Sound Insulation
Why We Love It
- Durable high-quality polycarbonate material.
- Excellent light transmittance for plants.
- Weatherproof and easy to install.
Main Highlights
- 𝙍𝙐𝙂𝙂𝙀𝘿 𝘼𝙉𝘿 𝘿𝙐𝙍𝘼𝘽𝙇𝙀: Greenhouse panels are made of high-quality polycarbonate, which not only has excellent UV protection properties, effectively preventing the greenhouse panels from fading and aging, but also provides comprehensive safety protection for your greenhouse. This polycarbonate panel is lightweight and highly impact-resistant, ensuring the stable and reliable operation of your greenhouse over a long period of time.
- 𝙃𝙄𝙂𝙃 𝙇𝙄𝙂𝙃𝙏 𝙏𝙍𝘼𝙉𝙎𝙈𝙄𝙏𝙏𝘼𝙉𝘾𝙀: With a high light transmittance of 80%, sufficient sunlight can penetrate through the transparent Twin-wall panels and fall evenly on the plants in the greenhouse, creating almost perfect photosynthesis conditions for the plants and promoting the healthy growth of crops.
- 𝙃𝙄𝙂𝙃 𝘼𝙉𝘿 𝙇𝙊𝙒 𝙏𝙀𝙈𝙋𝙀𝙍𝘼𝙏𝙐𝙍𝙀 𝙍𝙀𝙎𝙄𝙎𝙏𝘼𝙉𝘾𝙀: The robust, double-layer honeycomb design with 4 mm thickness provides excellent thermal insulation, keeping warm in winter and insulating in summer. With an operating temperature range of 125 to minus 40 degrees Celsius, polycarbonate Greenhouse Roofing Sheets can withstand extreme weather conditions.
- 𝙁𝙇𝙀𝙓𝙄𝘽𝙇𝙀 𝙄𝙉𝙎𝙏𝘼𝙇𝙇𝘼𝙏𝙄𝙊𝙉: Easy to cut and install. Whether you want to build a large commercial greenhouse, design a custom greenhouse for your home garden, or use it for pool covers, outdoor canopies, garden fences, aisle roofs and other scenarios, it can be perfectly adapted.
- 𝙒𝙀𝘼𝙏𝙃𝙀𝙍𝙋𝙍𝙊𝙊𝙁: The polycarbonate twin wall sheet is treated with a special coating that effectively prevents condensation drops and protects the plants from damage. Tip: The outer white protective film can be peeled off before use. Size: 121 x 60.5 cm (per piece), quantity: 14 pieces, total area: 10.25 m², weight: 700 g/m², thickness: 4 mm.
Show More
8
The Fellie 4mm Polycarbonate Sheets for Greenhouse, 6 Pieces of Greenhouse Polycarbonate Sheets, Clear Twin Wall Plastic Roofing Sheet Panel for Greenhouse, Outdoor Canopy, Carport, 61x122 cm
The Fellie
39% Off
Show More
The Fellie
The Fellie 4mm Polycarbonate Sheets for Greenhouse, 6 Pieces of Greenhouse Polycarbonate Sheets, Clear Twin Wall Plastic Roofing Sheet Panel for Greenhouse, Outdoor Canopy, Carport, 61x122 cm
39% Off
Why We Love It
- Versatile, outdoor-friendly application.
- Customizable size and shape.
- Easy assembly, light material.
Main Highlights
- 【Widely Use】Our 4mm polycarbonate greenhouse sheets adopts a hollow double-layer structure design, the outer surface has flowing stripes to help with drainage, suitable for greenhouse, roof canopy, carport, etc.
- 【Easy to Cut】6 pieces of plastic roofing sheets can be easily cut into the shape and size you need with an art knife or other props, with strong resistance to bending and prevent deformation under compression.
- 【Premium Material】This clear greenhouse panel is made of premium polycarbonate sheets, which is waterproof, UV resistant, and has strong flame retardancy, fade resistance, durable, can be used for a long time at -30°C to 120 °C.
- 【Brief Specification】The dimension of greenhouse polycarbonate sheet is 61 x 122 cm, thickness is 4 mm, lightweight and easy to install, the total number of packages is 6 pieces per pack.
- 【After-sale Service】Polycarbonate roofing sheet is great for greenhouse, outdoor canopy and carport. If you have any question, please contact us directly, we will reply you as soon as possible.
Show More
9
Premium Solid Clear Polycarbonate Double Sided UV Protected Sheets (4mm), Impact-Resistant, Glass Replacement, Ideal for Greenhouse Roofing, Shed Windows, and Outdoor Canopies
NIEVAN
Show More
NIEVAN
Premium Solid Clear Polycarbonate Double Sided UV Protected Sheets (4mm), Impact-Resistant, Glass Replacement, Ideal for Greenhouse Roofing, Shed Windows, and Outdoor Canopies
Why We Love It
- Premium durability for long-lasting use.
- Impact-resistant for enhanced safety.
- Excellent clarity for optimal light.
Main Highlights
- Premium Durability & Weather Resistance: Made from high-quality polycarbonate, these sheets are designed for long-lasting performance in both indoor and outdoor environments. UV-protected to prevent yellowing or damage from sun exposure
- Impact-Resistant & Shatterproof: Stronger than glass, these polycarbonate sheets offer excellent safety, making them ideal for protective barriers, greenhouse windows, roofing, and DIY projects
- Excellent Clarity & Transparency: The clear material provides superior light transmission, perfect for greenhouses, skylights, and conservatories, ensuring optimal visibility without compromising on strength
- Multiple Thickness & Custom Size Options: Available in 3mm, 4mm, 5mm, 6mm, and 8mm thicknesses, with custom cutting available to meet specific project needs. Versatile and suitable for a wide range of applications
- Lightweight & Easy to Install: Designed for hassle-free customization, these sheets are simple to cut and install. Note: Images showing multipacks are for illustration only; this product is sold as a single piece
Show More
10
The Fellie 4mm Polycarbonate Greenhouse Sheets, Set of 12 Pieces of Plastic Roofing Sheets, Clear Double Layer Polycarbonate Panel for Greenhouse, Outdoor Canopy, Carport, 61x100cm
The Fellie
15% Off
Show More
The Fellie
The Fellie 4mm Polycarbonate Greenhouse Sheets, Set of 12 Pieces of Plastic Roofing Sheets, Clear Double Layer Polycarbonate Panel for Greenhouse, Outdoor Canopy, Carport, 61x100cm
15% Off
Why We Love It
- Easy to cut material.
- Premium and durable quality.
- Ideal for multiple uses.
Main Highlights
- 【Widely Use】 Our 4mm polycarbonate sheets adopts a hollow double-layer structure design, the outer surface has flowing stripes to help with drainage, suitable for greenhouse, roof canopy, carport, etc.
- 【Easy to Cut】12 pieces of plastic roof sheets can be easily cut into the shape and size you need with an art knife or other props, with strong resistance to bending and prevent deformation under compression.
- 【Premium Material】 This clear roof panel is made of premium polycarbonate sheets, which is waterproof, UV resistant, and has strong flame retardancy, fade resistance, durable, can be used for long time.
- 【Brief Specification】 The dimension of polycarbonate is 61x100 cm, thickness is 4 mm, lightweight and easy to install, the total number of packages is 12 pieces per pack.
- 【After-sale Service】 Polycarbonate sheet is great for greenhouse, outdoor canopy and carport. If you have any question, please contact us directly, we will reply you as soon as possible.
Show More