Self-adhesive HDPE waterproofing membrane is a premium material developed to replace traditional solutions such as bitumen coating or waterproof paints. The special feature of this product lies in the built-in pressure-sensitive adhesive layer, which allows the membrane to adhere tightly to the concrete surface during pouring.
As a result, the structure is not only protected from groundwater but also avoids peeling, cracking, and tearing often found in older waterproofing materials. This is why self-adhesive HDPE membranes are increasingly chosen by investors.
Regular HDPE membranes require welded joints and sometimes heating, which risks open edges or technical errors. Meanwhile, the self-adhesive type already has an integrated adhesive layer, making installation and joint sealing simpler, shortening construction time while ensuring tightness.
In underground environments, high groundwater pressure can penetrate and damage structures. The self-adhesive HDPE waterproofing membrane acts as a “shield” protecting the concrete from leakage, ensuring durability, reducing cracking risks, and saving on future maintenance costs.
A self-adhesive HDPE membrane consists of three main parts:
When concrete is poured directly onto the membrane, the adhesive combines with the concrete to form a monolithic block. This mechanism eliminates gaps – the main cause of groundwater seepage.
The elastic adhesive layer can fill small cracks, maintaining waterproofing effectiveness without additional intervention.
Self-adhesive HDPE waterproofing membrane can withstand high groundwater pressure, commonly found in basements, elevator pits, or underground tanks. With absolute water-tightness, the product ensures durability and safety even when structures are deep underground or near groundwater sources.
Unlike many other waterproofing materials, self-adhesive HDPE membranes can prevent water infiltration both from outside to inside and from inside to outside. Thanks to this feature, the product is especially suitable for underground structures frequently exposed to two-way water flow.
The product is made from virgin HDPE resin, with excellent mechanical durability, tear resistance, and puncture resistance. In addition, the membrane resists many chemicals, alkaline solutions, salts, and diluted acids, maintaining waterproofing performance in harsh environments such as factories, wastewater treatment plants, or underground infrastructure.
Thanks to the built-in pressure-sensitive adhesive layer, self-adhesive HDPE membranes require no heating, solvents, or complicated equipment. Installation is therefore faster, reducing construction time and labor costs by 30–40% compared to traditional methods.
The average lifespan of a self-adhesive HDPE membrane is 25–30 years. This long-term durability reduces repair frequency, saves maintenance costs, and ensures stable protection over time.
Self-adhesive HDPE waterproofing membranes are widely used in high-rise basements, underground parking lots, and foundations. With effective reverse waterproofing ability, the membrane protects concrete against groundwater pressure, maintaining durability and extending the lifespan of structures.
In elevator pits and underground tanks, waterproofing is essential to avoid equipment damage and cracking. Self-adhesive HDPE membranes for underground tanks provide absolute water-tightness, ensuring long-term safety and hygiene.
In tunnel projects, underground parking, pumping stations, or wastewater treatment systems, self-adhesive HDPE membranes maximize advantages: high durability, chemical resistance, and reverse waterproofing. This is a reliable choice for critical infrastructure.
Besides underground structures, self-adhesive HDPE membranes are also used to protect concrete roofs and terraces. The membrane prevents leaks, resists cracking due to temperature changes, and ensures a dry, safe interior space.
In projects with weak soil or near rivers and lakes, groundwater often penetrates retaining walls. Self-adhesive HDPE membranes enhance water-tightness, reducing erosion and landslide risks.
In swimming pool, fish pond, or landscape pond construction, self-adhesive HDPE membranes help maintain stable water levels, prevent leakage, and protect interior finishes.
With strong chemical resistance, self-adhesive HDPE membranes are applied in solution tanks and industrial wastewater treatment ponds, ensuring no leakage into the environment.
In cold storage or facilities requiring strict humidity control, self-adhesive HDPE membranes prevent moisture from penetrating concrete, improving insulation and prolonging the lifespan of the structure.
|
Criteria |
Self-Adhesive HDPE Membrane |
Regular HDPE Membrane |
Bitumen and Liquid Coating |
|---|---|---|---|
|
Installation |
Built-in adhesive, only need sticking and edge sealing, fewer errors |
Requires careful welding, depends on worker’s skill |
Multiple coats, depends on thickness and weather |
|
Waterproofing ability |
Both directions, absolute tightness |
Good but joints may fail if poorly installed |
Initially good, but cracks with concrete shrinkage |
|
Mechanical strength |
High, tensile and impact resistant |
Durable but weak at welded joints |
Low, easily peeling over time |
|
Chemical resistance |
Resistant to acids, alkalis, salts, suitable for harsh environments |
Moderate chemical resistance |
Almost none, easily corroded |
|
Average lifespan |
25–30 years |
20–25 years |
5–10 years |
|
Initial cost |
Higher but requires little maintenance |
Medium |
Low but high maintenance cost later |
|
Lifecycle cost |
Cost-effective due to less repair |
Average |
High due to frequent maintenance and repairs |
From the comparison, it can be seen that self-adhesive HDPE membranes are superior in waterproofing efficiency, durability, lifespan, and long-term cost savings. This is why more investors choose this material over traditional methods.
Thickness is an important factor determining the protective capacity of the HDPE waterproofing membrane:
When choosing, you should also consider specifications such as elongation capacity, mechanical strength, and water pressure resistance to ensure compliance with practical technical requirements.
A genuine HDPE membrane supplier should meet the following criteria:
Choosing the right supplier not only ensures quality but also reduces risks during construction.
Although initial investment in self-adhesive HDPE membranes is higher than some other materials, it offers outstanding benefits:
Reference price list for self-adhesive HDPE waterproofing membrane at Đà Nẵng SKSumo:
Note: Prices may vary depending on order quantity and specific technical requirements of the project.
In addition to material costs, investors must consider installation costs. Typically, the turnkey installation price of self-adhesive HDPE membrane ranges from 30,000 – 50,000 VND/m².
The installation fee of HDPE waterproofing membrane depends on factors such as area, complexity, and technical requirements of each project. Larger projects often enjoy more favorable rates compared to small-scale ones.
SKSumo Đà Nẵng Waterproofing Company commits to providing comprehensive services to customers:
With transparent policies and reasonable pricing, SKSumo is confident to be the trusted address for customers to purchase genuine self-adhesive HDPE waterproofing membranes at affordable prices for both residential and large infrastructure projects.
For consultation, please contact:
SKSUMO ĐÀ NẴNG WATERPROOFING COMPANY
Choosing HDPE waterproofing membranes at SKSumo Đà Nẵng, customers not only own high-quality waterproofing materials but also receive comprehensive technical support. This is our commitment to ensure your project is strong, safe, and cost-optimized throughout its lifecycle.
Self-adhesive HDPE waterproofing membranes usually have a thickness of 1.0–2.0 mm, tensile strength ≥ 18 MPa, and elongation at break above 600%, withstanding water pressure up to 0.8 MPa. The product is chemical-resistant, UV-resistant, has an average service life of 25–30 years, and complies with international ASTM and ISO standards.
|
Technical Specification |
Reference Value |
Practical Meaning |
|---|---|---|
|
Standard Thickness |
1.0 mm – 2.0 mm (depending on type) |
Choose suitable thickness for residential or underground projects |
|
Tensile Strength |
≥ 18 MPa |
Good load resistance, not torn by mechanical impact |
|
Elongation at Break |
≥ 600% |
Ensures elasticity, adapts to structural movement |
|
Water Pressure Resistance |
≤ 0.8 MPa (equivalent to 80 m water column) |
Prevents groundwater infiltration in high-pressure environments |
|
Tear Resistance |
≥ 80 N/mm |
Tear resistance during construction and minor soil movement |
|
Chemical Resistance |
Resistant to diluted acids, alkalis, salts |
Suitable for wastewater tanks and chemical treatment projects |
|
UV Resistance |
≥ 2000 hours (ASTM G154) |
Anti-aging when exposed to sunlight |
|
Working Temperature |
-40°C to +70°C |
Suitable for both hot-humid and cold climates |
|
Average Service Life |
25 – 30 years |
Reduces maintenance costs, maintains long-term waterproofing performance |
|
Applicable Standards |
ASTM D638, ASTM D1004, ISO 527 |
Ensures international quality and structural safety |
They are most suitable when the project is located deep underground, has a basement, or is in direct contact with a water source.
Yes. The product can be additionally applied to renovate and reinforce degraded structures.
Yes, but the surface must be covered, and the concrete must be dry before application to ensure strong adhesion.
They should be kept in a dry, well-ventilated place, away from direct sunlight and high temperatures to avoid affecting the adhesive layer.
No. They are designed to bond with cast-in-place concrete, not suitable for brick or loose mortar surfaces.
Absolutely, as the product is safe, non-toxic, and helps maintain stable water levels for a long time.
