Polyethylene Polypropylene / Polyester Waterproof Membrane

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Home › Products › Polyethylene Polypropylene / Polyester Waterproof Membrane

Polyethylene Polypropylene / Polyester Waterproof Membrane

Composite waterproof membrane combining a polyethylene film core with polypropylene or polyester nonwoven fabric — offering excellent flexibility, high tensile strength and a cement-bondable surface for direct installation on concrete substrates in roofing, underground, hydraulic and tunnel projects.

KEY SPECIFICATIONS

Thickness

0.6mm / 0.7mm / 0.8mm / 1.0mm / 1.2mm / 1.5mm / Customizable

Width

1.0m / 1.2m / 1.5m / Customizable

Roll Length

50m / 100m / Customizable

Low Temp.

-40°C

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Everything You Need to Know

Overview

Hongxin Polyethylene Polypropylene / Polyester Waterproof Membrane is a three-layer composite sheet engineered with a PP-PE-PP structure — polypropylene film on both outer surfaces and a polyethylene (PE) film core — providing excellent flexibility, dimensional stability and long service life. The fabric-reinforced surface creates a strong mechanical bond with cement mortar, allowing direct installation onto concrete or masonry substrates with cement-based adhesives — no primer, no torch, no special equipment required.

Available in two types of reinforcement fabric to suit different project requirements:

Polyester fabric (PET) — High-strength polyester cloth reinforcement delivering outstanding tensile strength, puncture resistance and dimensional stability; ideal for demanding roofing, underground and hydraulic waterproofing projects.

Polyester filament fabric (Terylene) — Durable polyester filament cloth with excellent flexibility and elongation; lightweight, cost-effective and easy to handle for general roofing, basement and civil waterproofing.

Cement-bondable nonwoven surface — direct application on concrete with cement-based adhesives
High tensile strength and elongation (≥ 400%) for crack-bridging performance
Excellent resistance to acids, alkalis, salts and microorganisms
Low-temperature flexibility down to -20°C
Environmentally friendly, non-toxic and odorless
OEM/ODM available — custom thickness, width, length, color and packaging

Technical Specifications

Standard

GB/T 18173.1-2012 (FS2 composite sheet)

Thickness

0.6mm / 0.7mm / 0.8mm / 1.0mm / 1.2mm / 1.5mm / Customizable

Width

1.0m / 1.2m / 1.5m / Customizable

Roll Length

50m / 100m / Customizable

Tensile Strength

≥ 20 MPa, ≥ 60 N/cm (longitudinal & transverse)

Elongation

≥ 200%

Low Temp Flexibility

-40°C

Heat Resistance

80°C

MOQ

2000 SQM

Lead Time

15–25 days

OEM/ODM

Available

Applications

🏗 Flat & Low-Slope Roofing — Commercial buildings, factories, warehouses, residential buildings and agricultural structures

🏚 Underground Structures — Basements, foundations, underground parking and utility trenches

🌊 Hydraulic Engineering — Reservoirs, canals, irrigation channels, fish ponds, artificial lakes and swimming pools

🚇 Tunnels & Culverts — Highway tunnels, utility tunnels, culverts and underground transit structures

🏭 Industrial & Storage Facilities — Chemical plants, storage yards, granaries and logistics facilities

🌱 Agricultural Engineering — Irrigation reservoirs, biogas pits and aquaculture facilities

Choosing reinforcement fabric:

• Choose Polyester fabric (PET) when:
- Higher tensile strength and puncture resistance are required
- Projects demand superior mechanical performance and dimensional stability

• Choose Polyester filament fabric (Terylene) when:
- Lightweight, cost-effective general waterproofing is the priority
- Excellent flexibility and easy handling matter

Certifications

✅ CE Mark — EN 13956 European standard
✅ ISO 9001 — Quality Management System
✅ ISO 14001 — Environmental Management
✅ ISO 45001 — Occupational Health & Safety
✅ CEC — China Green Label (TPO)

FAQ

Q: What is a polyethylene polypropylene / polyester waterproof membrane?
A: It is a composite waterproofing sheet with a three-layer PP-PE-PP structure — polypropylene film on both surfaces and a polyethylene (PE) film core — reinforced with polyester fabric. The fabric surface bonds directly with cement mortar, so the membrane can be installed on concrete substrates with cement-based adhesives without primers, torches or special equipment.

Q: How is the membrane installed?
A: The membrane is adhered to the substrate with cement-based adhesive applied to the fabric side, or by hot-air welding of overlapping seams. Adjacent sheets are joined with a minimum overlap and sealed to form a continuous, watertight membrane. The cement-bondable surface makes it particularly suitable for direct application on concrete and masonry.

Q: What is the difference between the two reinforcement fabric types?
A: The polyester fabric (PET) option provides higher tensile strength, puncture resistance and dimensional stability for demanding roofing, underground and hydraulic projects. The polyester filament fabric (Terylene) option is lighter and more flexible, with excellent elongation and cost-effectiveness for general roofing, basement and civil waterproofing. Both surfaces bond reliably with cement mortar.

Q: What is the minimum order quantity?
A: MOQ is 2000 SQM.

Q: Can you do OEM / private label?
A: Yes — custom thickness, width, length, surface, color and brand labeling.

Q: What is the lead time?
A: 15–25 days after order confirmation.

Q: Do you provide samples?
A: Yes, samples available before bulk order.

Q: What certifications do you have?
A: CE, ISO 9001/14001/45001.