Vapor Barrier

OPERFECT™  Vapor Barriers are crucial components of building envelopes designed to control the movement of moisture vapor within structures that cause problems with interior air quality and lead to structural damage.They are usually placed on the warm side of building assemblies, such as walls, roofs, and floors in order to stop moisture from entering interior areas.Vapor barriers  arean essential component of modern construction practices, contributing to the longevity and durability ofbuilding assemblies.

What OPERFECT™ Vapor Barrier can offer for you ?

Custommized:  Your logo, Your label, Your Color, etc.

We can offer FOB,CIF and also door to door sevise for you, Save 10% of procurement costs and increase procurement efficiency by 30%.

Quanlity Standards：

– ASTM D226 for Type I and II

– ASTM D4869

–CAN/CSA A220.1

–CAN/CSA A123.3

–CLASS A FIRE ASTM E108

– ICC-ES AC 188;

Production capacity: 50*40HQ/month 

MOQ: 626 Rolls

What’s the features & advantages of OPERFECT™ Vapor Barrier？

• Core Functional Feature: Precise Control of Water Vapor Penetration
• Scene Adaptation Feature: Flexible Response to Climates and Building Types
•  Material and Construction Feature: Easy Installation and High Compatibility
• Additional Value Feature: Balancing Energy Efficiency and Health
• Economic and Maintenance Feature: Long-Term Cost Optimization

Advantages of OPERFECT™ Vapor  Barrier?

• Protect Structures & Extend Life: Block moisture to protect wood/metal components, keep insulation dry, and extend building lifespan.
• Boost Efficiency & Cut Energy Use: Reduce “moisture conduction” heat loss and condensation heat release, lowering heating energy consumption.
• Improve Environment & Health: Control humidity to inhibit mold, stabilize comfortable humidity (40%-60%), and prevent wall condensation.
• High Adaptability & Wide Use: Adjust performance by climate/scenario to fit various building types.
• Reduce Maintenance & Save Costs: Extend maintenance cycle (15-20+ years) and reduce component replacement/renovation.

• Timber buildings: Used in walls and roofs to protect wooden frames from moisture, mildew, and cracking.
• Building envelopes: Applied to roofs (flat/sloped roofs) and floors (especially basement floors) to block moisture and protect insulation layers.
• High-humidity places: Used in swimming pools, food factories, and bathrooms to prevent large amounts of moisture from infiltrating structures.
• Buildings in different climate zones: High-vapor-resistance types are used in cold regions of Northern Europe; smart vapor-permeable-adjustable types can be equipped in warm and humid regions of Southern Europe.

Successful cases:

Case 1: UK 17th-Century Timber-Framed Building Restoration A historic UK timber building faced mold and rot in wooden beams due to moisture. Installing a breathable vapor barrier on interior walls and under floorboards blocked external moisture, stopping mold growth and drying out timber. Without it, costly replacement of structural wood (and damage to historical integrity) would have been unavoidable.

Case 2: Northern Germany Electronic Equipment Warehouse A German warehouse storing valuable electronics needed to fend off high local humidity. A low-permeability vapor barrier under the concrete floor and interior walls blocked ground moisture and external vapor. A nearby warehouse without it suffered expensive electronics damage from moisture—this barrier safeguarded stored goods and avoided huge replacement costs.

Case 3: French Swimming Pool Complex A French pool complex, with high humidity from pools/showers, risked mold, peeling paint, and metal corrosion. A specialized vapor barrier (installed in moisture-exposed areas) blocked vapor penetration and reduced condensation. Without it, frequent costly repairs (repainting, fixture replacement) would have been needed soon after opening.

There are numerous similar cases. Unlike traditional waterproof materials such as synthetic felt (which is heavy and hard to install), our synthetic underlayment features high-strength tear resistance and superior waterproof performance, providing excellent protection for your roof.​

Our product line for waterproof materials

Our packing for waterproof materials

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CONTACT US

Jinan United Perfect Building Materials Corporation

M: +86 139 6416 6699  P: +86-531 8190 1621  F: +86-531 8281 4295

Whatsapp: +8613426130536  Skype: harald2009  Wechat: 13426130536