Shop By Thickness — Find the Right Pond Liner for Your Project
Find the Perfect Pond Liner Thickness
Not all pond liners are equal. Choose the right thickness for your project — from lightweight garden ponds to heavy-duty commercial installations.
⚠️ Not sure which thickness you need? As a rule of thumb: the deeper and larger your pond, the thicker the liner you need. Use the guide below or contact our experts for free advice.
🔹 Browse by Thickness
0.3mm
Lightweight & Budget-Friendly
Best for: Small garden ponds, water features, raised beds & temporary installations.
- Flexible & easy to install
- Suitable for depths up to 60cm
- PVC material
0.5mm
Most Popular Choice
Best for: Standard garden ponds, koi ponds & medium water features up to 1.2m deep.
- Excellent durability & flexibility
- Fish safe & UV stabilised
- PVC or EPDM available
0.75mm
Heavy Duty & Long-Lasting
Best for: Larger koi ponds, natural swimming ponds & installations with rocks or roots.
- Superior puncture resistance
- Ideal for depths 1.2m–2m
- EPDM or Butyl rubber
1.0mm+
Professional & Commercial Grade
Best for: Commercial ponds, reservoirs, large-scale landscaping & industrial applications.
- Maximum strength & longevity
- 25–40 year guarantee
- HDPE or reinforced EPDM
📌 Quick Thickness Selection Guide
| Pond Type | Depth | Recommended Thickness | Material |
|---|---|---|---|
| Small garden / water feature | Up to 60cm | 0.3mm | PVC |
| Standard garden pond | 60cm – 1.2m | 0.5mm | PVC / EPDM |
| Koi pond / natural swimming pond | 1.2m – 2m | 0.75mm | EPDM / Butyl |
| Large garden / landscaping | Any | 1.0mm | HDPE / EPDM |
| Commercial / industrial | Any | 1.5mm+ | HDPE |
📞
Need Expert Advice?
Our team is available 7 days a week to help you choose the right liner.
Call +44 1282 270214
✓ All Pond Liners Co liners are: Fish safe • UV stabilised • BPA free • UK stocked for fast dispatch • Backed by our quality guarantee