The 23rd Asia Thermal Insulation Material Expo

Tianjin  Meidebao Technology Co., Ltd., with plants located in both Tianjin and Langfang, is a high-tech enterprise rooted in scientific research and focused on energy conservation.

We specialize in the production of a comprehensive range of products, including TPO and PVC waterproofing membranes, waterproof breathable membranes, vapor barrier membranes, non-woven fabrics, passive house door/window waterproof breathable membranes/vapor barrier membranes, and more. Our products have successfully passed inspections by the National Building Materials Testing Center and have obtained European CE certification. Utilizing advanced German control systems, our production workshops employ a fully enclosed, clean air positive pressure system design. Our independently developed "Meidebao" and "Boruisi TM" series products are distributed nationwide and exported to numerous countries and regions across Europe, North America, and Southeast Asia.

Our products are widely applied in large-scale building projects requiring energy-efficient waterproofing and insulation, such as curtain walls, steel structures, wood structures, cold storage facilities, and passive houses.

Tianjin  Meidebao Technology Co., Ltd. sincerely welcomes domestic and international clients to visit our company for inspection, guidance, and business discussions.

Product Performance

1.Excellent aging-resistance performance.

2.Environment-friendly, non-toxic and pollution-free.

3.High breaking strength, high tear strength, impact resistance and puncture resistance.

4.Good low-temperature resistance: no cracking when bent at -50℃.

5.Smooth surface, high reflectivity, energy-saving and anti-fouling.

6.Resistant to algae, mould and other microorganisms, with thermal aging resistance.

7.Strong acid and alkali corrosion resistance, suitable for areas with high acid and alkali environment.

8.Open-flame-free construction with high safety.

Product Application

Waterproofing and moisture-proofing for roofs and underground works of various industrial and civil buildings; municipal projects such as subways, bridges, tunnels and airports; waterproofing for structures including swimming pools and fire-fighting pools.

Product Performance

1.Excellent durability. Superior agingresistance; service life reaches 20 years for roof applications and up to 50 years for underground projects.

2.High strength and favorable elongation rate. Excellent root-resistance performance to effectively resist puncture by plant roots.

3.Good corrosion resistance with chemical-resistance and agingresistance properties.

4.Wide-width membrane. Width over 2 meters, delivering high construction efficiency and low material waste.

5.Wide scope of application. Outstanding high-low temperature resistance, maintaining good flexibility even under low-temperature conditions.

6.Hot-air welding construction. Hot-air welding delivers firm and reliable welds for guaranteed quality.

7.Good plasticity. Easy treatment for detailed structural parts.

8.Flame retardancy. Self-extinguishing upon removal of flame source.

9.Light-colored surface reflects UV radiation, reducing heat absorption and keeping low membrane surface temperature.

Product Application

Suitable for roofs, green planting roofs, singleply roofs, planting roof slabs and partial underground works.

Project Profile: Renovation of large-span curved steel-structure roof for comprehensive gymnasium. Fleece-backed reinforced PVC waterproofing membrane full-adhered single-ply exposed roofing system is adopted. Highlights:

1.Excellent flexibility and plasticity, well-adapted for large-curvature curved roof and perfect fitting for complex details such as gutters and expansion joints.

2.Fleece-back full-adhesion process delivers outstanding wind-uplift resistance for coastal high-wind environment.

3.B1 grade self-extinguishing flame retardant performance meets fire-safety requirements for large public venues.

4.Light-colored high-reflective surface reduces roof thermal load for building energy-saving.

5.Hot-air welding forms integral seamless waterproof layer with weld quality verifiable by air pressure test; zero leakage after rainy-season inspection.

Project Profile: Major industrial project in Zhejiang, metal roofs of multiple joint workshops & coating workshops. Fleece-backed PVC exposed roofing system is applied. Highlights:

1.Membrane width over 2 meters accelerates large-area construction, reduces seams and material waste.

2.Good acid-alkali & industrial-exhaust corrosion-resistance suitable for mild corrosive environment of coating workshops.

3.Stable high-low-temperature performance accommodates thermal deformation of steel-structure without low-temperature cracking.

4.Fleece backing improves stability against insulation layer and prevents membrane slipping.

5.Open-flame-free hot-air-welding lowers fire risk on-site and facilitates later maintenance.

Project Profile: Underground garage roof of commercial-office complex with overlying soil and roof garden. Root-resistant fleece-backed PVC waterproofing membrane is used. Highlights:

1.Reliable root-penetration-resistance complying with GB/T35468 standard for green roof to prevent damage from plant roots.

2.Fleece backing enhances adhesion with concrete substrate and reduces hollowing risk.

3.Good soil acid-alkali corrosion-resistance; design service life up to 50 years for underground parts.

4.Integral sealed hot-air-welded seams prevent leakage after soil covering and protect underground garage.

5.High physical strength and puncture-resistance to resist disturbance during soil-covering construction.

Project Profile: Low-carbon big-data industrial park, exposed steel-structure roof for data computer rooms with Grade-I waterproof requirement. Reinforced PVC waterproofing membrane mechanical-fixing system is adopted. Highlights:

1.Long-term UV-aging-resistance with 20-year design service life for exposed roof to guarantee stable operation of computer rooms.

2.High tear & breaking strength against severe weather such as hail and strong wind.

3.Reflective light-colored surface cuts roof temperature and cooling energy consumption, in line with green-building & carbon-neutral targets.

4.Mechanical fixing keeps insulation layer intact and shortens construction period.

5.Environment-friendly recyclable material without harmful emission, satisfying green-building material requirements for data center.

Project Profile: Coastal new city in North Africa featured with intense solar radiation, large diurnal temperature difference and coastal salt-spray corrosion. Fleece-backed PVC exposed roofing system is adopted. Highlights:

1.Excellent heat-aging & UV-resistance adapting to high-temperature arid climate in North Africa.

2.Good salt-spray corrosion-resistance against coastal saline erosion.

3.Open-flame-free hot-air-welding ensures construction safety for overseas sites.

4.Third-party test reports meet material access standards for overseas projects.

5.Stable waterproof performance after exposure under high temperature and rainy seasons.

Project Profile: Large-span steel-structure station roof. Water-vapor permeable waterproof membrane is laid outside thermal insulation layer, matched with vapor barrier membrane on inner side to form complete envelope system. Highlights:

1.Serves as secondary roof waterproof barrier to prevent wind-driven rain infiltration into insulation layer and reduce leakage risk.

2.High vapor permeability discharges internal moisture and avoids condensation inside insulation, preserving thermal-insulation performance.

3.Good tear-resistance and puncture-resistance, resistant to construction trampling without damage.

4.Wide-width roll material with special butyl sealing tape for joints, ensures high construction efficiency for largearea steelstructure roof.

5.Good UV-agingresistance for long-term stable service for high-standard public transport building.

Project Profile: Office building with clay-panel curtain wall. Water-vapor permeable waterproof membrane is installed outside insulation layer to solve rain penetration and wall condensation inside curtain-wall cavity. Highlights:

1.Block rain and condensed water entering cavity while allowing vapor to escape outward, preventing wall dampness and mould.

2.Improve building air-tightness and reduce heat loss for energy-saving purpose.

3.Good flexibility for complex details of curtain-wall beams and columns, easy cutting and installation.

4.Light-weight without extra load on curtain-wall system; reliable sealing with matching adhesive tape.

5.Meets green-building requirements; no dampness or mould after project completion.

Project Profile: Light-steel prefabricated residential complex for passive-house standard. Water-vapor permeable waterproof membrane for exterior and vapor barrier membrane for interior to meet high air-tightness requirement. Highlights:

1.Perfectly adapted to passive-house envelope system, realizing external waterproofing and internal vapor-retarding for moisture control.

2.Excellent vapor permeability eliminates interstitial condensation and protects insulation materials.

3.High tensile & tear strength against damage during prefabricated component installation.

4.Joints sealed by special tape to guarantee overall air-tightness for passive-house air-tightness test.

5.Eco-friendly with zero harmful emission, complying with green-material standard for ultra-low-energy buildings.

Project Profile: Multiple connected steel-structure factory buildings adopting complete set of water-vapor permeable waterproof membrane & vapor barrier membrane roofing system. Highlights:

1.Efficiently discharge internal moisture under large diurnal temperature difference, avoid condensation dripping and steel-sheet corrosion.

2.Resist heavy wind and rain, block rainwater seepage from metal sheet gaps as secondary waterproof layer.

3.Wide-width rolls speed up large-area construction, reduce joints and material waste.

Good temperature & aging stability adapting to large seasonal temperature difference in factory area.

Product Introduction

Vapor Barrier Membrane is a polymer composite functional building material, installed on the inner (warm-side) of thermal insulation layer in building envelope, and used in combination with external water-vapor permeable waterproof membrane. It blocks penetration of warm indoor moisture vapor into insulation layers, avoids interstitial condensation and damp failure of thermal-insulation materials. It improves building air-tightness, reduces heat and cold loss, and extends service life of building and insulation system. Widely used for steel-structure roofs, curtain walls, light-steel prefabricated buildings, wood-structured houses and passive ultra-low-energy buildings.

Product Performance

1.Excellent vapor-retarding performance: Effectively prevent indoor water vapor from penetrating into insulation layer and avoid internal condensation.

2.Superior air-tightness: Minimize air infiltration and heat loss to improve building energy-saving performance.

3.Good mechanical property: High tensile, tear-resistance and puncture-resistance, not easy to damage during handling and installation.

4.Good aging-resistance: Stable performance under varying temperature for long-term service.

5.Safe & eco-friendly: Made of environment-friendly polymer materials with no harmful substance emission.

6.Convenient installation: Wide-width rolls, simple overlapping joints sealed with special adhesive tape for high site-work efficiency.

Product Application

Suitable for vapor-proof protection at inner side of insulation in steel-structure metal roofs, sloped roofs, curtain-wall walls, light-steel prefabricated buildings, wood-structured buildings, passive ultra-low-energy buildings, airports, stadiums, exhibition centers and other public buildings. Normally applied as a complete system together with water-vapor permeable waterproof membrane.

Project Profile: Large-span profiled steel sheet roof located in cold-temperate zone. Vapor barrier membrane is laid on inner side of thermal insulation layer, cooperating with external water-vapor permeable waterproof membrane to form complete envelope system. Highlights:

1.Effectively block warm indoor vapor from penetrating into insulation layer, avoid condensation dripping and inner-side corrosion of profiled steel sheet.

2.Superior air-tightness reduces indoor heat-cold loss and improves building energy-saving performance.

3.Good tensile and puncture-resistance, resistant to construction trampling without damage.

4.Wide-width roll material with special sealing tape for overlaps to ensure continuous and intact vapor-retarding layer.

5.Good temperature-resistance and aging-resistance, stable performance under large seasonal temperature difference.

Project Profile: Passive ultra-low-energy prefabricated residential building. Vapor barrier membrane is installed on inner side of insulation for external walls and sloped roofs, matched with external water-vapor permeable waterproof membrane to meet passive-house air-tightness requirements. Highlights:

1.Prevents indoor vapor infiltration into insulation layer, eliminates condensation and mould inside wall assembly and preserves thermal performance of insulation materials.

2.Joints, window openings and pipe penetrations are sealed by special air-tight tape to form continuous air-tight layer complying with passive-house air-tightness standard.

3.Good toughness and tear-resistance reduces damage risk during prefabricated component installation.

4.Eco-friendly material without harmful emission, satisfying green-material requirements for ultra-low-energy buildings.

5.Complete matched system realizing “vapor-retarding inside and vapor-permeable outside”.

Project Profile: Large-area steel-structure clean workshop with high indoor humidity. Complete set of vapor barrier membrane and water-vapor permeable waterproof membrane is adopted for roof and partial external walls. Highlights:

1.Block high-humidity indoor vapor invading insulation layer, prevent damp failure of insulation and stabilize constant-temperature-humidity workshop environment.

2.High air-tightness reduces outdoor air infiltration and lowers airconditioning load for clean workshop.

3.High-strength roll material enables fast large-area laying for high construction efficiency.

4.Good mould-resistance and aging-resistance for long-term high-humidity workshop condition.

5.Flame-free construction meets fire-safety requirements for pharmaceutical plant.

Project Profile: Sports building in alpine northwest region with large diurnal & seasonal temperature difference. Vapor barrier membrane system is applied inside roof insulation layer. Highlights:

1.Inhibit vapor migration into insulation layer under huge indoor-outdoor temperature difference in winter, prevent condensation and icing inside insulation.

2.Maintains integrity without embrittlement under low-temperature environment, stable vapor-retarding and air-tight performance.

3.Special sealing tape reliably seals complex details such as gutters and expansion joints for intact vapor-retarding layer.

4.Reduce heating energy consumption in compliance with northern China building-energy-saving design.

No insulation dampness or steel-sheet condensation after multiple winter-season operations.