Pre-applied Self-Adhesive TPO Waterproofing Membrane
图文详情
Pre-applied Self - Adhesive TPO Waterproofing Membrane
Applicable Standards:GB/T 23457-2025
Product Introduction
This product uses homogeneous thermoplastic polyolefin (TPO) sheeting as its base material. The top surface is coated with a polymer pressure-sensitive adhesive layer, which is covered with an anti-adhesive granule layer. An 80-mm-wide adhesive-free welding overlap zone is left along one long edge of the roll. It is a waterproofing membrane designed for installation using the pre-laid, reverse-adhesive method.
Product Features
1、High tensile strength, good impact resistance, and excellent dimensional stability
2、The sheet overlaps are joined using hot-air welding, ensuring a highly reliable seal.
3、Bond the membrane to the main structure to prevent the waterproofing layer from being damaged due to settlement of the subgrade.
4、The pre-laid, self-adhesive method ensures full adhesion with the subsequently poured concrete, eliminating any pathways for water penetration.
5、Environmentally friendly and free of harmful chemicals.
Key Performance Indicators
Recommended Level 1 Waterproofing Design Plan
Scope of Application
Suitable for waterproofing and seepage control projects in various underground structures, caverns, tunnels, subways, and municipal construction projects.
Construction Methods
- Flat Construction
Substrate Preparation → Detail Treatment → Positioning and Marking → Installation of Waterproofing Membrane → Membrane Lap Joints and Edge Sealing → Quality Inspection and Acceptance → Reinforcement Tying and Concrete Pouring
- Facade Construction
Substrate Preparation → Detail Treatment → Positioning and Chalking → Laying Waterproofing Membrane → Mechanically Fastening the Membrane → Sealing Membrane Overlaps and Edges → Quality Inspection and Acceptance → Tying Reinforcing Bars and Pouring Concrete
Storage and Transportation
1、During storage and transportation, products of different types and specifications should be stored separately and should not be mixed.
2、Avoid exposure to sunlight and rain, ensure proper ventilation, and store at a temperature not exceeding 45°C.
3、When stored flat, rolls should be stacked no higher than 5 layers; when stored upright, they should be stacked in a single layer.
4、Prevent tilting or lateral pressure during transport; cover with a tarp if necessary.
5、Under normal storage and transportation conditions, the shelf life is 1 year from the date of manufacture.
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Thermoplastic Polyolefin (TPO) Waterproofing Membrane
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