Product Overview
Backed TPO waterproof membrane is a heat-weldable single-ply waterproofing sheet features laminated polyester fleece backing. The textured fleece enables firm adhesive bonding to concrete and metal substrates, while providing cushioning protection against minor substrate defects during installation.
Designed for fully adhered roof waterproofing systems, it is widely used on commercial and industrial roofs where mechanical fastening is unsuitable.
Available specifications cover 1.2–2.0 mm thickness, standard 1.0 m/2.0 m roll widths and 20 m/25 m lengths. Custom sizes and light-colored smooth finishes are supported per production feasibility. Our team only assesses production feasibility and does not undertake engineering design or project selection.
Product Features
Polyester fleece backing
A non-woven polyester fleece fabric is laminated to the underside of the membrane during production. The fleece backing is designed to absorb adhesives, enabling strong, uniform bonding to concrete, metal, and other substrates. The backing also provides a cushioning layer that helps protect the membrane from minor substrate irregularities and installation damage.
Weather and UV resistance
The TPO base material offers resistance to weathering, ultraviolet radiation, and aging. The material remains flexible at low temperatures and maintains mechanical strength at elevated temperatures. These characteristics refer to laboratory material-level performance; actual field performance is subject to project-site conditions. Light-colored surfaces also reflect solar radiation.
Heat-weldable seams
Adjacent membrane sheets are joined by hot-air welding to form integrated seams. The sealing performance of welded joints relies on proper on-site welding workmanship and complete system detailing.
Full adhesion capability
The fleece backing allows the membrane to be fully adhered to the substrate using compatible adhesives. This creates a uniform bond that resists wind uplift. Fastening method shall be determined by project design and wind load requirements.
Surface and Color Options
Backed TPO waterproof membrane is available in various surface finishes and colors. Available options include:
| Option Type | Description |
|---|---|
| Standard White | Smooth, light-colored reflective surface; reduces heat absorption |
| Light Gray | Alternative light color for specific aesthetic requirements |
| Smooth Finish | Standard smooth surface; facilitates hot-air welding |
| Custom Color | Available subject to minimum order quantity and production feasibility |
Technical Specifications
The following table shows the available manufacturing range for backed TPO waterproof membrane. Final dimensions and packaging are confirmed according to order requirements and production feasibility.
| Parameter | Available Range |
|---|---|
| Thickness | 1.2 mm, 1.5 mm, 1.8 mm, 2.0 mm |
| Roll Width | 1.0 m / 2.0 m (standard) |
| Roll Length | 20 m / 25 m (standard) |
| Backing | Polyester fleece (laminated to underside) |
| Surface Finish | Smooth |
| Color | White / light gray / custom (per order) |
Applications
Backed TPO waterproof membrane is suitable for waterproofing applications across the following areas:
Commercial and Industrial Roofing
Fully adhered single-ply roofing systems
New roof construction and re-roofing projects
Roofs on concrete and metal decks
Low-slope and flat roof systems
Public and Institutional Buildings
Schools, hospitals, and government buildings
Airport terminals and transportation facilities
Logistics and warehouse facilities
Green and Specialty Roofs
Green roofs and roof gardens
Terrace and balcony waterproofing
Below-Grade and Infrastructure
Underground garage waterproofing
Tunnels and urban utility tunnels
Customization and Packaging
Thickness, roll width, roll length, surface color, product labeling, and outer packaging are all configurable per order and finalized before production.
Each roll is protected with suitable wrapping according to its size. Container stowage plans are prepared per order to avoid transit damage and control freight costs.
MOQ: Quoted based on specifications and order volume
Sample availability: Membrane samples are available on customer's request
Production lead time: Determined by specifications and order size
Packaging: Protective wrapping / cardboard cores / palletized where required / final packaging arranged per order
OEM labeling: Offered upon request
FAQ
Q1. What is the difference between backed and reinforced TPO membrane?
Backed TPO has a polyester fleece laminated to the underside for adhesive bonding. Reinforced TPO has a polyester fabric grid embedded in the middle, delivering enhanced mechanical properties suitable for mechanically fastened system designs.
Q2. What thickness should I choose for my roofing project?
Thickness selection depends on wind uplift requirements, roof traffic, and project specifications. Refer to your project's structural and wind load calculations for specific guidance.
Q3. How are membrane seams sealed?
Seams are joined by hot-air welding to fuse two sheets into an integrated joint. Final joint sealing performance depends on qualified on-site welding execution and system detailing.
Q4. Can the membrane be installed directly over existing roofing?
This depends on the condition of the existing roof and the project design. A qualified roofing contractor should assess the existing substrate before installation.
Q5. Is the membrane suitable for exposed outdoor applications?
Formulated with weather and UV resistant properties for exposed outdoor use. Long-term service performance depends on complete roof system design and professional installation.
Q6. What is the low-temperature flexibility of the membrane?
The membrane remains flexible at temperatures as low as –40°C under laboratory test conditions for the material. Actual on-site flexibility and constructability shall be evaluated by your project engineer according to local climate.
Request a Quote
Have project specifications and membrane requirements ready? Our technical team can review your documentation to assess production feasibility based on our shop capabilities.
We will confirm the available specifications, pricing, production lead time, and estimated shipping arrangements based on your requirements.