Coated Barrier Face
PVC or TPU is applied to one or both sides to form a sealed surface. Coating thickness, hardness and formulation influence liquid resistance, cleaning, flexing, welding and long-term surface behavior.
Secondary Containment Material
Spill Containment Berm Fabric
Custom PVC and TPU coated roll material for manufacturers of portable spill berms, maintenance containment floors, IBC and drum liners, mobile refueling protection, decontamination pools and welded industrial containment products.
DERFLEX supplies fabric rather than certifying the finished containment system. Liquid compatibility, seam design, containment capacity and regulatory suitability should be confirmed for the actual product and operating environment.
PVC or TPU Coating
Polyester or Nylon Base
Weldable Construction
Custom Width & Weight
OEM Roll Supply
Containment Application Reference
The final berm design, seams, supports and capacity remain the responsibility of the finished-product manufacturer or project owner.
Material Definition
What Is Spill Containment Berm Fabric?
Spill containment berm fabric is a reinforced coated textile used to manufacture flexible secondary containment systems. A woven polyester or nylon base carries the mechanical load, while a PVC or TPU coating creates a cleanable, weldable and liquid-resistant surface. The fabric is cut and joined into a floor, sidewall and corner system that temporarily contains leakage from drums, IBC totes, machinery, vehicles, tanks or transfer operations.
The material must do more than resist water. A practical berm construction may be folded for transport, dragged across the ground, exposed to tire or equipment contact, cleaned after use and stressed around welded corners. For this reason, fabric selection should consider coating adhesion, puncture risk, tear propagation, low-temperature folding, weld behavior and compatibility with the actual liquid.
DERFLEX develops the specification from the finished product backward. Buyers can share the liquid type, contact time, ground condition, berm size, wall design, deployment frequency, fabrication method and target roll format. This provides a more useful starting point than choosing material only by color, thickness or price per square meter.
Selection reminder: “Waterproof” does not automatically mean suitable for fuel or chemical exposure. The coating formula, exposure period, temperature and seam system should be evaluated with representative samples before bulk production.
Material Structure
Engineered as a Reinforced Barrier System
Each layer has a different job. The most suitable construction balances barrier performance, mechanical strength, weldability, folding behavior and commercial cost for the intended berm design.
Reinforcing Textile
Polyester supports dimensional stability and industrial roll consistency. Nylon may be selected when soft folding and tear performance are prioritized. Yarn denier and weave density are adjusted to the finished berm load.
Surface & Treatment Options
Smooth, matte or embossed finishes can be developed for cleanability, handling grip or visual identification. UV, anti-mildew, cold-resistant and other additives are available subject to formulation review.
Material Selection
PVC and TPU Options for Different Berm Programs
DERFLEX can supply both material families, allowing buyers to compare performance and processing needs instead of forcing every project into one standard construction.
PVC Coated Polyester Fabric
A widely used direction for heavy-duty, large-area containment products where waterproofing, welded fabrication, broad availability and cost control are important.
- Suitable for many standard oil, maintenance and industrial containment programs after compatibility confirmation
- Useful for larger berm floors, wall panels and volume production
- Available with matte, glossy or embossed surfaces
- Custom weight, width, color, lacquer and weathering options
TPU Coated Nylon or Polyester
A technical option when flexible folding, abrasion resistance, low-temperature behavior or premium PVC-free product positioning is part of the development brief.
- Single-side or double-side TPU structures
- Good processing direction for HF/RF and thermal welding trials
- Polyester for stability; nylon for flexibility and tear-oriented designs
- Oil, fuel and chemical contact requires grade-specific testing
Specification Guide
Custom Spill Containment Berm Fabric Specifications
The following values are development directions rather than a universal finished-product standard. Final parameters should be confirmed through sample testing and written order specifications.
| Specification Item | Available Direction | Buyer Selection Notes |
|---|---|---|
| Product Type | PVC coated berm fabric, TPU coated berm fabric, double-side coated containment fabric | Select by liquid type, deployment cycle, welding process, temperature and target product position. |
| Base Fabric | Polyester or nylon woven reinforcement; custom denier and weave | Polyester supports dimensional stability; nylon can support flexible, tear-oriented constructions. |
| Typical Weight Direction | Approximately 650–1500 gsm depending on coating and textile structure | Higher weight alone does not guarantee chemical compatibility or seam performance. |
| Thickness Direction | Approximately 0.55–1.20 mm or project-specific | Thickness influences stiffness, coating reserve, welding window, foldability and cost. |
| Coating Structure | One-side or two-side PVC / TPU; balanced or application-specific construction | Double-side coatings are commonly considered for liquid containment floors and cleanable wall structures. |
| Width | Common industrial widths from about 1.5 m to 3.2 m; custom width subject to construction | Wider rolls may reduce floor seams and improve cutting efficiency for large berms. |
| Surface Finish | Smooth, matte, glossy or embossed / anti-slip direction | Surface texture should be reviewed for cleaning, welding marks, equipment contact and finished appearance. |
| Color | Black, grey, green, blue, yellow, orange and custom matching | Color can support safety visibility, product identification and private-label programs. |
| Processing | HF/RF welding, hot-air welding, wedge welding, heat sealing or combined fabrication | Confirm the actual machine, electrode, seam geometry and settings through production trials. |
| Optional Performance | UV, anti-mildew, cold-resistant, flame-retardant or selected chemical-resistant formulations | Availability and test method should be written into the approved specification before production. |
| Supply Format | Roll goods, custom roll length, core, pallet packing, batch labels and OEM packaging | Share cutting plan and warehouse requirements to reduce handling and conversion loss. |
Reference ranges are indicative and may change with yarn, coating formulation, width and surface design. The approved sample and purchase specification take precedence.
Development Workflow
From Application Data to Repeatable Roll Supply
A structured review reduces the risk of choosing a fabric that looks suitable but does not match the actual liquid, weld process or deployment cycle.
Application Review
Confirm the finished berm style, size, wall height, equipment load, ground condition and expected service pattern.
Liquid & Exposure Check
Identify oil, fuel, wastewater or chemical composition, concentration, temperature and contact duration.
Construction Matching
Select base textile, coating family, total weight, thickness, width, color and surface finish.
Sample & Weld Trial
Evaluate compatibility, seam strength, leakage, peel, folding, abrasion and finished-product fabrication.
Bulk Production Control
Lock tolerances, roll format, inspection points, labels, packing and repeat-order reference samples.
Product Images
Coated Fabric Structures for Containment Manufacturing
DERFLEX supplies reinforced coated textile rolls and related technical material options for welded liquid-control products.
Key Performance
Performance Priorities for Heavy-Duty Berm Fabric
Finished berm reliability depends on the interaction between material, seam design, wall support, ground preparation and use conditions. The fabric specification should address the following priorities.
Waterproof Barrier
Continuous coating helps form a liquid-resistant floor and wall surface. Final leakage performance depends on welded seams, fittings, corners and damage control.
Tear & Tensile Support
The woven base carries loads created by liquid weight, wall tension, lifting, folding and movement around equipment or support systems.
Abrasion & Puncture Direction
Coating reserve and reinforcement are selected around rough ground, tools, equipment edges and repeated field handling. Ground pads may still be required.
Weld Compatibility
Coating chemistry, surface finish and thickness should provide a workable joining window for the converter’s equipment and seam design.
Foldability & Storage
Portable berms benefit from material that can be folded and packed without excessive stiffness, coating cracking or permanent deformation under the intended temperature.
Liquid Compatibility
Compatibility is not universal. Test the exact liquid, concentration, additives, temperature and exposure time before approving the construction.
Applications
Where Spill Containment Berm Fabric Is Used
,The same roll material family can be customized for multiple secondary containment formats, from compact maintenance trays to large vehicle and tank berms.
Vehicle & Machinery Berms
Containment floors for equipment servicing, temporary refueling, hydraulic maintenance, construction machinery and mobile field operations.
Drum and IBC Containment
Flexible liners and portable berms placed under drums, intermediate bulk containers, pumps and process equipment.
Rapid-Deployment Spill Control
Foldable containment products carried by response teams for temporary isolation and recovery of leaked liquids.
Washdown & Decontamination
Welded pools and collection floors for equipment washdown, field cleaning and decontamination workflows after liquid review.
Tank and Transformer Protection
Secondary containment around temporary tanks, generators, oil-filled equipment and service areas where fixed concrete systems are impractical.
Custom Liners, Mats and Pools
Roll goods for converters producing portable trays, maintenance mats, foldable pools and private-label spill-control systems.
Quality & Testing
Inspection Points to Confirm Before Bulk Supply
DERFLEX can align testing and inspection with the approved material specification. The required method, sample conditioning, acceptance value and reporting format should be agreed before production.
Weight & Thickness
Check roll weight, coating thickness and tolerance against the confirmed construction.
Tensile & Tear
Verify the reinforcing textile direction using the agreed standard or customer method.
Coating Adhesion
Review peel strength and coating integrity after flexing, handling and specified conditioning.
Abrasion & Puncture
Select relevant test methods based on field contact and finished berm protection layers.
Weld Trial
Test seam strength and leakage with the converter’s actual machine and seam geometry.
Liquid Exposure
Use the exact liquid or a representative approved test medium for compatibility evaluation.
Certificates, declarations and test reports depend on the selected grade and order. Confirm the required document list before sampling; do not assume that one report covers every color, thickness, formulation or finished berm design.
Quality Gate
Approve the Material and the Conversion Process Together
Containment performance is created by a system: coated fabric, weld settings, seam design, corners, fittings, wall supports and field protection. Inspection should follow the same system logic.
MaterialWeight, thickness, width, color, surface and coating appearance.
MechanicalTensile, tear, peel, abrasion and puncture direction.
ProcessingWeld window, seam strength, corner behavior and fitting patches.
ApplicationLiquid exposure, temperature, ground contact, cleaning and deployment cycle.
Procurement Guide
What to Send for an Accurate Fabric Recommendation
A useful inquiry includes the operating conditions and fabrication plan, not only the words “heavy duty” or “chemical resistant.”
Finished Product
Berm style, floor size, wall height, support design, drainage or fittings, expected fold size and use frequency.
Contained Liquid
Exact oil, fuel, wastewater or chemical name, concentration, additives, temperature and maximum contact time.
Mechanical Conditions
Vehicle traffic, equipment weight, ground roughness, puncture hazards, outdoor exposure and target service cycle.
Fabrication Method
HF/RF, hot-air, wedge or heat-sealing machine details, seam width, reinforcement method and trial requirements.
Target Specification
Preferred PVC or TPU, weight, thickness, width, color, surface, test standard and order quantity.
Commercial Details
Sample quantity, annual forecast, roll length, packing, private label, destination port and required documentation.
Related DERFLEX Materials
Continue Your Material Comparison
These related pages help product manufacturers compare coating families, liquid-contact directions and roll constructions before approving a containment fabric.
FAQ
Spill Containment Berm Fabric FAQs
Answers for containment product factories, industrial fabric converters, distributors and OEM buyers.
What material is commonly used for spill containment berms?
PVC coated polyester is widely used for many standard portable and industrial berm products because it combines waterproofing, reinforcement, weldability and large-area supply. TPU coated nylon or polyester is considered for projects that prioritize flexible folding, abrasion performance, low-temperature behavior or a PVC-free material direction. The actual liquid must be tested with the selected grade.
Is spill containment berm fabric completely chemical resistant?
No coated fabric should be described as universally chemical resistant. Performance depends on chemical identity, concentration, additives, temperature, contact time, coating formula, seams and cleaning method. DERFLEX recommends compatibility testing with the exact liquid before approving bulk production.
Can DERFLEX customize heavy-duty spill containment berm fabric?
Yes. DERFLEX can discuss custom base fabric, PVC or TPU coating, weight, thickness, width, color, surface finish, additives, roll length and packing. Final feasibility depends on the target construction and order requirements.
Can the fabric be welded into a waterproof berm?
PVC and TPU coated fabrics can be developed for HF/RF welding, hot-air welding, wedge welding or heat sealing. A finished berm should be validated by weld trials and leakage testing using the converter’s equipment, seam geometry, corners and fittings.
Should I choose PVC or TPU for a containment berm?
PVC is often selected for general heavy-duty containment and cost-efficient large-area programs. TPU can be considered when flexibility, abrasion resistance, low-temperature folding or premium material positioning matter. Liquid compatibility and weld performance should decide the final choice rather than material name alone.
Does the fabric itself make a finished berm compliant with EPA or SPCC requirements?
No. Fabric is only one component of the finished containment system. Capacity, freeboard, displaced volume, wall structure, seams, installation, inspection and site-specific rules also affect compliance. The finished-product manufacturer and facility owner should verify the applicable requirements.
What information is needed for a quotation?
Please provide the finished product, liquid type, exposure time, operating temperature, berm size, ground condition, target weight or thickness, width, color, surface finish, welding method, sample requirement, order quantity and destination.
Develop a Spill Containment Berm Fabric Specification
Send DERFLEX your liquid type, finished berm design, target construction, welding method, width, color and estimated quantity. The team can compare PVC and TPU directions and prepare a sample plan for evaluation.