Aquaponic & Hydroponic Grow Bed Liners – Food-Safe Solutions
We engineer sustainable liners from upcycled and virgin reinforced PVC that help grow South Africa’s food-security future, combining agricultural expertise with eco-conscious manufacturing. Grow bed liners are made for commercial farmers and home systems.
400 Micron Polyester-Reinforced PVC
- ✅ Best for: in-ground grow beds.
- ✅ Material: virgin or upcycled PVC options.
- Non-toxic and pH-neutral (won’t affect water chemistry).
- Polyester scrim-reinforced; provided in lay-flat sheets.
- Huge cost savings on the upcycled option without compromising quality.
450 Micron Polyester-Reinforced PVC
- ✅ Best for: raised brick beds, steel frame structures, custom shapes.
- ✅ Material: virgin, harder-wearing.
- Pre-formed corners & contours.
- Extra puncture resistance.
- UV-stabilised for outdoor use.
Custom Outlet Solutions – Outlet Sleeves
Bespoke sizing to match your existing piping. Damgood Glue and Damgood Tape are provided for on-site watertight installation (see our Damgood Glue & Tape page).
Standard Plastic Fittings
- Available in 25mm, 40mm, 50mm and 75mm.
- Threaded exterior for easy plumbing connections.
- Includes compression washers for a perfect seal.
Why Farmers Trust Our Liners
🌱 Crop-safe materials – field-tested for zero chemical leaching and zero water loss.
🤝 Community impact – every purchase supports sustainable employment.
⚙️ Engineering excellence – withstands grow-media loads; 5-year warranty (expect 10+ years under roof).
💧 System integrity – maintains consistent pH and eliminates soil contamination risks.
Measuring Guide
- Measure bed length, width and depth.
- Measure wall thickness for raised beds.
- Measure steel framework and pipe size to determine sleeve size.
- Note outlet requirements (size and quantity).
Start Growing Smarter!
Our agricultural specialists will help you choose. DIY measuring with an emailed quote request, or call out our professional team for a consultation (minimal fee, 50% refundable on placement of order).
📞 Call: (+27) 72 562 2658
📧 Email: sales@rainbowtarps.co.za
