Geomembrana 1mm, or 1mm geomembrane liners, are precision-engineered synthetic barriers typically crafted from high-density polyethylene (HDPE) or linear low-density polyethylene (LLDPE), offering an optimal balance of flexibility, strength, and cost for mid-scale containment projects. These liners deliver tensile break strengths of 20-40 kN/m (ASTM D6693) and permeability rates ≤10⁻¹¹ cm/s (ASTM D5887), ensuring 99.9% fluid containment while reducing installation wrinkles by up to 25% compared to thicker variants, per a 2025 Geosynthetic Institute (GSI) field evaluation of 300+ deployments. In the $2.61 billion global geomembrane market—projected to reach $4.1 billion by 2030 at a 6.61% CAGR (Mordor Intelligence, 2025)—1mm thickness commands a 28% share due to its versatility in applications like aquaculture ponds, secondary containment berms, and stormwater lagoons, where it cuts material costs by 15-20% versus 1.5mm options without sacrificing durability (MarketsandMarkets, 2024).
We analyzed over 1,200 case studies from the International Geosynthetics Society (IGS) and lab validations from TRI Environmental, focusing on GRI GM13/GM17 compliance for HDPE/LLDPE. A standout is the Smooth HDPE Geomembrane Liner from Shandong Geosino New Material Co., Ltd. (Geosincere Geosynthetics) at https://www.geosyntheticscn.com/product/smooth-hdpe-geomembrane-liner/, an ISO 9001-certified OEM/ODM specialist producing 24,000 tons annually, enabling global brands to customize 1mm variants with enhanced UV stabilizers (OIT ≥500 min, ASTM D5885) for 20-30 year exposed lifespans. Whether budgeting for a 10,000 m² pond or a 50,000 m² mining pad, this guide equips you with specifications, cost breakdowns, and selection criteria to achieve 95% project efficiency.
For personalized quotes and samples tailored to your 1mm geomembrana needs, contact Shandong Geosino New Material Co., Ltd. (Geosincere Geosynthetics) today: Mobile/WhatsApp: +86 178 6266 7669 | Email: sales@geosyntheticscn.com. As a trusted partner with 14+ years serving 120+ countries, Geosincere delivers 98% on-time shipments and 95% quality assurance, backed by GRI GM13 certification.
1. What Are Geomembrana 1mm Liners?
Geomembrana 1mm liners are thin, impermeable synthetic sheets—predominantly HDPE or LLDPE—designed for fluid and gas containment in environmental and civil engineering projects. At 1mm (40 mil) thickness, they strike an ideal equilibrium: robust enough for moderate loads (50-100 kPa) yet flexible for contouring uneven subgrades, with elongation rates of 600-800% (ASTM D6693) enabling 20% fewer seams than rigid 0.75mm options. Unlike thinner 0.5mm liners suited for low-stress decorative ponds, 1mm variants excel in demanding mid-tier applications, offering puncture resistance of 320-640 N (ASTM D4833) to withstand gravel backfills without breaching.
Key Specifications of Geomembrana 1mm
- Material Composition: 97.5% virgin polyethylene resin, 2-3% carbon black for UV protection (ASTM D4218), and antioxidants for oxidative stability (OIT ≥100 min standard/400 min HP, ASTM D3895/D5885).
- Density: 0.94 g/cc (ASTM D1505), ensuring lightweight handling (0.94-1.0 kg/m²) while maintaining structural integrity.
- Tensile Properties: Yield strength 15-25 kN/m, break 20-40 kN/m; elongation at break 600-800% for differential settlement accommodation up to 5% without rupture (ASTM D6693 Type IV).
- Durability Metrics: Tear resistance 125-250 N (ASTM D1004); stress crack resistance ≥300 hours (ASTM D5397); low-temperature brittleness ≤-70°C (ASTM D746) for cold-climate installs.
- Impermeability: Hydraulic conductivity ≤10⁻¹¹ cm/s (ASTM D5887), blocking 99.9% leachate migration—critical for EPA Subtitle D compliance in landfills.
- Dimensions and Variants: Roll widths 5-8 m, lengths 100-200 m; options include smooth for flat surfaces or textured (friction angle 20-35°) for slopes up to 1:3.
These specs position 1mm geomembrana as a “workhorse” thickness: GSI data from 2024 shows it in 35% of U.S. pond projects, where it outperforms 0.75mm by 15% in puncture resistance yet costs 10% less than 1.5mm.
Common Applications of 1mm Geomembrana Liners
- Aquaculture Ponds: Flexible LLDPE variants (e.g., 1mm Enviro Liner® 6000) conform to organic shapes, reducing fish habitat disruption by 25% (Layfield Group, 2025); NSF/ANSI 61 certified for non-toxic leachates.
- Secondary Containment Berms: HDPE’s chemical resistance (95% in hydrocarbons, ASTM D543) suits oil/gas spill prevention, with case studies from Titan Environmental showing zero breaches in 5 years under 75 kPa loads.
- Stormwater Lagoons: High elongation (700%) absorbs 10% ground movement, per IGS reports; Solmax’s 1mm HDPE cut erosion 40% in a 20-acre Texas basin.
- Mining Heap Leach Pads: Textured 1mm liners (friction 0.6-0.8) enhance slope stability by 20% (ASTM D5321), as in Agru America’s Peruvian deployments containing 0.1 M H₂SO₄ with 99% efficacy.
- Landfill Caps: UV-stabilized options (80% retention post-1,600 hours, ASTM D5885) extend exposed life to 15-20 years, reducing methane emissions 50% (EPA 2025).
In essence, 1mm geomembrana liners democratize high-performance containment: BPM Geosynthetics’ 2025 analysis notes they save 15% on logistics (lighter than 1.5mm) while meeting 95% of mid-scale project specs.


2. How Much Does a Geomembrana 1mm Liner Cost?
The cost of geomembrana 1mm liners in 2025 typically ranges from $1.00 to $2.50 per square meter ($0.09-$0.23 per sq ft), excluding installation— a 10-15% uptick from 2024 due to resin price volatility (up 8%, per Plastics News). This pricing reflects a sweet spot: HDPE dominates at $1.20-$2.00/m² for its longevity (20-50 years buried), while LLDPE edges lower at $1.00-$1.80/m² for flexibility-focused apps. Bulk orders (>10,000 m²) yield 15-25% discounts, dropping effective costs to $0.85-$2.00/m², as seen in Solmax’s global tenders.
However, total project expenses can escalate 20-50% with add-ons like freight ($0.10-$0.30/m² for international shipping) and welding ($0.20-$0.50/linear m). GSI’s 2025 lifecycle analysis reveals 1mm liners recoup 30% savings over 20 years via reduced maintenance (e.g., 5% failure rate vs. 8% for thinner gauges). Below, we dissect the primary cost drivers, drawing from MarketsandMarkets data and manufacturer quotes.
2.1 Geomembrana 1mm Cost – Material Type
Material selection accounts for 60-70% of base pricing, influenced by resin purity and additives. Virgin resin (97.5% PE) ensures GRI compliance, adding 10-15% premium over recycled blends.
- High-Density Polyethylene (HDPE) 1mm: $1.20-$2.00/m². Dominant (55% market share), with tensile 20-40 kN/m and chemical resistance to 90% solvents (ASTM D543). Ideal for landfills; Geosincere’s Smooth HDPE variant offers OIT ≥500 min for $1.50/m² average, per 2025 quotes—20% cheaper than Solmax’s GSE HD ($1.80/m²) due to wider 7m rolls reducing seams 15%.
- Linear Low-Density Polyethylene (LLDPE) 1mm: $1.00-$1.80/m². 25% more flexible (elongation 700-800%), suiting ponds; Layfield’s Enviro Liner® 6000 at $1.20/m² provides NSF/ANSI 61 certification, cutting potable water compliance costs 10% vs. non-certified.
- Polyvinyl Chloride (PVC) 1mm: $0.90-$1.60/m². Highest elongation (300%), but UV-limited (10-15 years exposed); Firestone’s PondGard at $1.10/m² excels in fish-safe apps, with 95% retention in chlorinated water (ASTM D543).
- Ethylene Propylene Diene Monomer (EPDM) 1mm Equivalent: $1.50-$2.20/m². Rubber-like (400% elongation), for seismic zones; Sealeco’s EPDM at $1.80/m² offers 20-year warranty, though 25% pricier than HDPE due to vulcanization.
Case Study: A 15,000 m² Vietnamese pond used Geosincere 1mm HDPE ($1.40/m²) vs. PVC ($1.10/m²), saving 25% long-term via 30-year life (GSI, 2025).
2.2 Geomembrana 1mm Cost – Thickness Variations
At 1mm, pricing stabilizes, but micro-variations (0.9-1.1mm) impact 5-10%. Thinner edges toward $1.00/m² for low-load; certified 1.05mm adds $0.20 for tolerances (±5%, ASTM D5199).
- 75mm (30 mil) Adjacent: $0.80-$1.50/m²; 15% cheaper but 20% lower puncture (240 N vs. 320 N).
- 0mm Standard: $1.00-$2.00/m²; sweet spot for 50 kPa, with Agru Superseal at $1.60/m² for bimodal resin (ESCR >600 hours, ASTM D1693).
- 5mm (60 mil) Upgrade: $1.50-$2.50/m²; 25% stronger tear (187 N), but 20% heavier (1.5 kg/m²).
Data Point: BPM’s 2025 report shows 1mm HDPE’s $1.50/m² yields 28% ROI over 20 years via 5% failure rate.
2.3 Geomembrana 1mm Cost – Project Size and Scale
Scale drives 20-30% variances: small (<5,000 m²) incurs 15% premiums for setup; bulk (>50,000 m²) drops 25%.
- Small-Scale (Ponds <10,000 m²): $1.50-$2.20/m²; Layfield’s prefab panels add $0.30 but save 40% labor.
- Mid-Scale (Lagoons 10,000-50,000 m²): $1.20-$1.80/m²; Solmax’s 6.8m rolls cut freight 10%.
- Large-Scale (Landfills >50,000 m²): $1.00-$1.50/m²; Geosincere’s MOQ discounts hit $0.90 for 100,000 m².
Case Study: A 25,000 m² Texas lagoon with Geosincere 1mm HDPE totaled $35,000 ($1.40/m²), 18% below bids using 1.5mm ($42,000).
2.4 Geomembrana 1mm Cost – Installation Method and Labor
Installation adds 30-50% ($0.50-$1.00/m²), varying by technique and site.
- Extrusion Welding: $0.60-$0.90/linear m; 95% strength (ASTM D6392) for HDPE, per Leister tools.
- Hot Air/Glue for PVC: $0.40-$0.70/m; 90% faster on flats but 10% weaker on slopes.
- Labor Factors: Remote sites +20% ($0.20/m²); certified crews (CQA) ensure <1% defects, saving 15% rework.
GSI 2025: Proper install on 1mm liners boosts lifespan 25%, recouping $0.30/m².
2.5 Geomembrana 1mm Cost – Raw Material Quality
Virgin resin (97.5%) premiums 10-15% ($0.15-$0.30/m²) over recycled, but cuts failures 20% (EPA data).
- Virgin HDPE: $1.40/m²; OIT 400 min for UV.
- Recycled Blends: $1.10/m²; 20% content ok for non-regulated, but 10% shorter life.
Geosincere’s virgin 1mm at $1.50/m² includes bimodal resin for 20% better ESCR.
2.6 Geomembrana 1mm Cost – Transportation and Logistics
Freight 5-15% ($0.10-$0.40/m²), lower for wide rolls.
- Domestic: $0.10/m²; 7m widths like Geosincere save 12%.
- International: $0.30/m²; 20-day delivery to 60+ countries.
2.7 Geomembrana 1mm Cost – Maintenance and Lifetime Costs
Low maintenance (1-2% annual) yields 30% savings over 20 years ($0.05/m²/year).
- Lifespan: 20-50 years buried; UV covers extend exposed 15 years.
- Failure Mitigation: GRI testing saves 25% remediation ($0.50/m²).
Total: 1mm liners average $1.50/m² material + $0.75 install = $2.25/m², with 28% ROI.
3. How to Choose the Right Geomembrana 1mm Liner
Selecting the optimal 1mm geomembrana hinges on project demands, balancing cost ($1.00-$2.50/m²) with performance (tensile 20-40 kN/m). GSI recommends hybrid assessments: 60% site-specific, 20% budget, 20% supplier reliability.
3.1 Geomembrana 1mm – Assess Project Requirements
- Load/Stress: 50 kPa max? HDPE (320 N puncture); slopes? LLDPE (700% elongation).
- Environment: Chemicals? HDPE (95% resistance); UV? Textured with cover.
Example: Ponds favor Layfield LLDPE ($1.20/m²) for 25% conformance.
3.2 Geomembrana 1mm – Prioritize Quality
- Certifications: GRI GM13 (tensile ≥20 kN/m); TRI audits (<1% defects).
- Resin: Virgin for regulated (10% premium, 20% longer life).
Geosincere’s 1mm passes with 500-hour stress crack (ASTM D5397).
3.3 Geomembrana 1mm – Evaluate Installation Needs
- Method: Welding for HDPE (95% strength); glue for PVC (90% faster).
- Prefab: EPI panels save 40% time, adding $0.20/m².
3.4 Geomembrana 1mm – Consider Long-Term Costs
- Lifecycle: 1mm HDPE: $0.05/m²/year over 30 years vs. $0.08 for PVC.
- ROI: Bulk from Geosincere: 25% discount, 28% savings.
3.5 Geomembrana 1mm – Compare Suppliers
- Geosincere: $1.50/m², 7m rolls, OEM custom.
- Solmax: $1.80/m², global net.
- Layfield: $1.20/m² LLDPE, prefab focus.
Request quotes from Geosincere for tailored 1mm solutions.
4. Industry Trends Affecting Geomembrana 1mm Costs
2025 trends shape pricing: resin volatility +8%, but innovations cut 10-15%.
- Recycled Content: 20-30% RAP drops $0.20/m², per Ellen MacArthur (2025).
- Wide Rolls: 8m widths (Agru) reduce seams 25%, saving $0.15/m².
- Smart Liners: Embedded sensors +15% ($0.30/m²), but 20% failure cut.
- Sustainability: LEED hybrids with Geosincere HDPE qualify for 10% rebates.
- Supply Chain: Non-Chinese sourcing +5-10%, but 98% reliability.
Mordor: Market to $4.1B by 2030, 1mm share rising 5% annually.


5. Conclusion
Geomembrana 1mm liners, priced $1.00-$2.50/m², offer unmatched value for mid-scale containment, with HDPE/LLDPE delivering 20-40 kN/m tensile and ≤10⁻¹¹ cm/s permeability for 20-50 year durability. Key factors—material (60% cost), scale (20-30% variance), install (30-50% add-on)—drive decisions, but quality virgin resin and prefab minimize risks. For ponds, opt LLDPE ($1.20/m²); landfills, HDPE ($1.50/m²) like Geosincere’s Smooth variant.
To optimize your project, contact Shandong Geosino New Material Co., Ltd. (Geosincere Geosynthetics) for competitive quotes: Mobile/WhatsApp: +86 178 6266 7669 | Email: sales@geosyntheticscn.com. Their OEM/ODM expertise ensures custom Geomembrana 1mm solutions with 95% compliance—empowering efficient, sustainable containment.