EPDM & HPDE Comparisons
Exposed Conditions - Pond Lining Systems
Ratings: E = Excellent, G = Good, F = Fair, P = Poor, NR = Not Recommended
| Design Consideration | Material |
|
EPDM 1.14 mm |
HDPE 1.5 mm |
|
| Resistance to Sunlight (Exposed Conditions) | E |
E |
| Resistance to Stress Cracking | E |
F |
| Resistance to Cracking (all causes considered) | E |
F |
| Resistance to Heat (Hot, Arid Climates) | G |
G |
| Resistance to Thermal Expansion/Contraction | E |
P |
| Resistance to Organic Wastewater/Soil Environment | E |
E |
| Ease of Panel Installation | G |
G |
| Ease of Field Seaming (Owner Friendly) | G |
P |
| Ease of Attachment to Appurtenances | G |
G |
| Ease of Field Repair Procedures | E |
P |
| Low Temperature Installations | E |
F |
| Low Temperature Brittleness (Seam Area) | E |
F |
| Conformance to Substrates | E |
P |
| Resistance to Puncture | G |
F |
| General Lay Flat Characteristics | E |
P |
| Resistance to Installation Damage (Field Handling) | G |
F |
| Resistance to Installation Wrinkles | E |
P |
| Resistance to Installation Tightness | G |
F |
| Resistance to Soil Slippage (surface Friction) | E |
P |
| Adhesive Bonding to Concrete Structures | E |
NR |
| Overall Long Term Durability | E |
E |
| Average Costs per mm thickness/sq/m | G |
E |
| Overall Comparative Rating | G to E |
F to G |
References:
- PVC Geomembrane Institute Reference Manual
- R.K. Frobel & Associates Geosynthetics Consulting Engineers, Personal Correspondence
- Koerner, R.M., Designing with Geosynthetics, Fourth Edition, Prentice Hall, Inc., Englewood Cliffs, New Jersey 1998
- PVC Geomembrane Institute, Comparison of 30 mil PVC and 60mil HDPE Geomembranes, 1999