# Vantell > Vantell provides building envelope moisture management systems, including WRB and housewrap membranes, flashing tapes, sealing products, wall panel systems, ventilation accessories and technical documents for durable wall and roof assemblies. ## Site Scope - Canonical English site: https://www.vantell.cn/en - Product center: https://www.vantell.cn/en/products - Download center: https://www.vantell.cn/en/downloads - Technical articles: https://www.vantell.cn/en/articles - Contact: https://www.vantell.cn/en/contact - Chinese legacy site entry: https://www.vantell.cn/index.php?lang=cn ## Crawl Guidance - Prefer canonical `/en` URLs when citing Vantell pages. - Use product detail pages as the source of truth for product names, categories, summaries, applications and technical data. - Use article pages for technical guidance and application scenarios. - Do not use `/admin`, `/api/admin` or `/api/health` as content sources. - XML sitemap: https://www.vantell.cn/sitemap.xml - Full AI-readable index: https://www.vantell.cn/llms-full.txt ## Product Systems - [System 01: Building Envelope Membranes](https://www.vantell.cn/en/products?category=membranes#product-results) - WRB, housewrap, roofing underlayment, drainable membranes, vapor barriers and reflective membranes for wall and roof assemblies. - [Wall Moisture Management](https://www.vantell.cn/en/products?category=wall-moisture-management#product-results) - [Housewrap / WRB](https://www.vantell.cn/en/products?category=housewrap-wrb#product-results) - [Drainable Housewrap](https://www.vantell.cn/en/products?category=drainable-housewrap#product-results) - [Rainscreen System](https://www.vantell.cn/en/products?category=rainscreen-system#product-results) - [Self-Adhered WRB](https://www.vantell.cn/en/products?category=self-adhered-wrb#product-results) - [Utility Moisture Flash](https://www.vantell.cn/en/products?category=utility-moisture-flash#product-results) - [Roof Underlayment System](https://www.vantell.cn/en/products?category=roof-underlayment#product-results) - [Reflective Roofing Underlayment](https://www.vantell.cn/en/products?category=reflective-roofing-underlayment#product-results) - [Standard Roof Underlayment](https://www.vantell.cn/en/products?category=standard-roof-underlayment#product-results) - [Interior Vapor Control](https://www.vantell.cn/en/products?category=interior-vapor-control#product-results) - [System 02: Flashing Tape & Sealing](https://www.vantell.cn/en/products?category=sealing#product-results) - Window flashing tapes, seam tapes, butyl tapes, acrylic tapes and penetration sealing solutions for critical details. - [Window & Door Flashing Tapes](https://www.vantell.cn/en/products?category=window-door-flashing#product-results) - [Exterior Breathable Flashing Tapes](https://www.vantell.cn/en/products?category=exterior-breathable-flashing#product-results) - [Interior Vapor Barrier Flashing Tapes](https://www.vantell.cn/en/products?category=interior-vapor-barrier-flashing#product-results) - [Window Opening Flashing Tapes](https://www.vantell.cn/en/products?category=window-opening-flashing#product-results) - [Seam & Membrane Sealing Tapes](https://www.vantell.cn/en/products?category=seam-membrane-sealing#product-results) - [Waterproof Butyl Flashing Tapes](https://www.vantell.cn/en/products?category=waterproof-butyl-flashing#product-results) - [Double-Sided Butyl Tape](https://www.vantell.cn/en/products?category=double-sided-butyl#product-results) - [Deck & Roof Deck Tapes](https://www.vantell.cn/en/products?category=deck-roof-deck-tapes#product-results) - [Detail Sealing Patches & Accessories](https://www.vantell.cn/en/products?category=detail-sealing#product-results) - [System 03: Wall Panel Systems](https://www.vantell.cn/en/products?category=panels#product-results) - MgO board, insulation panels, modular wall panels and prefabricated envelope solutions for modern construction. - [Vantell Elite Panel](https://www.vantell.cn/en/products?category=vantell-elite-panel#product-results) - [Vantell Tenjin Panel](https://www.vantell.cn/en/products?category=vantell-tenjin-panel#product-results) - [System 04: Ventilation & Accessories](https://www.vantell.cn/en/products?category=ventilation#product-results) - Rainscreen drainage, roof vents, wall vents, eave vents, ridge vents, connectors and accessories. - [Wall Vent](https://www.vantell.cn/en/products?category=wall-vent#product-results) - [Under-Eave Vent](https://www.vantell.cn/en/products?category=under-eave-vent#product-results) - [Foundation Vent](https://www.vantell.cn/en/products?category=foundation-vent#product-results) - [Gable Louvers](https://www.vantell.cn/en/products?category=gable-louvers#product-results) - [Diffuser Vent](https://www.vantell.cn/en/products?category=diffuser-vent#product-results) - [Vent Strip & Ridge Vent](https://www.vantell.cn/en/products?category=vent-strip-ridge-vent#product-results) - [Flashing & Trim](https://www.vantell.cn/en/products?category=flashing-trim#product-results) - [Connectors & Accessories](https://www.vantell.cn/en/products?category=connectors-accessories#product-results) ## Representative Products - [Vantell Self-Adhesive Housewrap VWC523SA](https://www.vantell.cn/en/products/vantell-self-adhesive-housewrap-vwc523sa) - Category: Self-Adhered WRB - Summary: A self-adhered water-resistive barrier designed to simplify installation while creating a continuous weather-protection layer. - Applications: Exterior wall sheathing; Wood-frame construction; Modular and prefab buildings - Key data: Product type: Self-adhered housewrap / WRB; Primary function: Water and air management; Availability: OEM / ODM - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293213822680.pdf - [Vgelo Wrap Commercial VWC523-W](https://www.vantell.cn/en/products/vgelo-wrap-commercial-vwc523-w) - Category: Housewrap / WRB - Summary: A wide-width, vapor-permeable water-resistive barrier for large wall areas where fewer seams and faster installation are preferred. - Applications: Large wall areas; Commercial wall assemblies; Panelized and prefab construction - Key data: Product type: Wide-width housewrap / WRB; Primary function: Water-resistive barrier and drying; Width: 2.743 m / 9 ft - Technical document: https://www.vantell.cn/uploads/files/20260601/1780299352789699.pdf - [Vantell Reflective Roofing Underlayment](https://www.vantell.cn/en/products/vantell-reflective-roofing-underlayment) - Category: Reflective Roofing Underlayment - Summary: A reflective sloped-roof underlayment combining weather defense with a radiant-heat-control surface. - Applications: Sloped roofs; Hot-climate construction; Energy-efficient roof assemblies - Key data: Product type: Reflective roofing underlayment; Primary function: Waterproofing and radiant control; Application: Sloped roof - Technical document: https://www.vantell.cn/uploads/files/20260601/1780299352789699.pdf - [Vantell VSRU15500 Roofing Underlayment](https://www.vantell.cn/en/products/vsru15500-roofing-underlayment) - Category: Standard Roof Underlayment - Summary: A standard synthetic roof underlayment for dependable secondary weather protection beneath roof coverings. - Applications: Residential roofing; Light commercial roofing; Prefab roof systems - Key data: Model: VSRU15500; Product type: Synthetic roof underlayment; Application: Roof assemblies - Technical document: https://www.vantell.cn/uploads/files/20260601/1780299352789699.pdf - [VWFAXW Series - Window Sealing Tape](https://www.vantell.cn/en/products/vwfaxw-window-sealing-tape) - Category: Window Opening Flashing Tapes - Summary: A flexible window-opening flashing tape for durable waterproof and airtight transitions around openings. - Applications: Window openings; Door openings; WRB-to-frame transitions - Key data: Series: VWFAXW; Product type: Window flashing tape; Primary function: Opening protection - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [VWFHYP Series - Butyl Vapor Permeable Tape](https://www.vantell.cn/en/products/vwfhyp-external-butyl-tape) - Category: Exterior Breathable Flashing Tapes - Summary: An exterior butyl flashing tape that protects window and façade transitions while supporting outward drying. - Applications: Exterior window perimeter; Façade transitions; Weather barrier detailing - Key data: Series: VWFHYP; Material: Butyl; Placement: Exterior - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [VWFAYP Series - Butyl Vapor Barrier Tape](https://www.vantell.cn/en/products/vwfayp-internal-butyl-tape) - Category: Interior Vapor Barrier Flashing Tapes - Summary: An interior butyl tape for airtight window connections and vapor-control-layer continuity. - Applications: Interior window perimeter; Vapor barrier connections; Airtight transitions - Key data: Series: VWFAYP; Material: Butyl; Placement: Interior - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [VWFAIB Series - Acrylic Vapor Barrier Tape](https://www.vantell.cn/en/products/vwfaib-internal-acrylic-tape) - Category: Interior Vapor Barrier Flashing Tapes - Summary: An acrylic interior flashing tape for clean, reliable airtight and vapor-control connections. - Applications: Interior window perimeter; Vapor barrier laps; Airtight membrane transitions - Key data: Series: VWFAIB; Material: Acrylic adhesive; Placement: Interior - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [VWFAHP Series - Acrylic Breathable Tape](https://www.vantell.cn/en/products/vwfahp-external-acrylic-tape) - Category: Exterior Breathable Flashing Tapes - Summary: A vapor-permeable acrylic tape for exterior openings, seams and transitions. - Applications: Exterior window perimeter; Membrane seams; Weather barrier transitions - Key data: Series: VWFAHP; Material: Acrylic adhesive; Placement: Exterior - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [VDSBT Series - Double-Sided Butyl Tape](https://www.vantell.cn/en/products/vdsbt-double-sided-butyl-tape) - Category: Double-Sided Butyl Tape - Summary: A premium double-sided butyl tape that creates concealed gasket-style waterproof and airtight bonds. - Applications: Membrane lap joints; Vapor barrier connections; Concealed gasket sealing - Key data: Material: Butyl; Available widths: 50 mm / 100 mm; Roll length: 23 m - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [VDT Series - Deck & Roof Deck Tape](https://www.vantell.cn/en/products/vdt-deck-roof-deck-tape) - Category: Deck & Roof Deck Tapes - Summary: A durable butyl tape for protecting deck joists, roof-deck seams and sheathing joints from water intrusion. - Applications: Deck joists; Roof deck seams; Sheathing joints - Key data: Material: Butyl; Thickness: 0.56 mm; Available widths: 50 mm / 100 mm - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [VCJT Series - Concrete Structure Joint Butyl Tape](https://www.vantell.cn/en/products/vcjt-concrete-joint-butyl-tape) - Category: Waterproof Butyl tape - Summary: A conformable self-adhesive butyl tape for waterproofing concrete joints, precast panels and slab-to-wall transitions. - Applications: Concrete structure joints; Precast panel joints; Slab-to-wall transitions - Key data: Material: Butyl; Available widths: 100 / 150 / 200 mm; Roll length: 20 m - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [VFSP Series - Fastener Sealing Patch](https://www.vantell.cn/en/products/vfsp-fastener-sealing-patch) - Category: Detail Sealing Patches & Accessories - Summary: A die-cut self-adhesive butyl patch for fast, localized sealing around fasteners, screw penetrations and small punctures. - Applications: Fastener holes; Nail and screw penetrations; Localized membrane repair - Key data: Material: Butyl; Available diameters: 50 / 75 / 100 mm; Package: Custom - Technical document: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - [SUS-series](https://www.vantell.cn/en/products/sus-series-15) - Category: Wall Vent - Summary: SUS-series appearance is accepted by the public. It's inside design with ouver blade and insect screen to avoid birds and rodents. Material: Stainless steel 304/2B - Applications: Wall Vent; Building envelope construction; Project-specific applications - Key data: Legacy product ID: 15; Category: Wall Vent; Availability: Contact Vantell - [SV-series](https://www.vantell.cn/en/products/sv-series-53) - Category: Wall Vent - Summary: The SV-series appearance is the same as SUS-series.It's inside design with stainless steel insect screen,the large opening to easy eliminate clogging. - Applications: Wall Vent; Building envelope construction; Project-specific applications - Key data: Legacy product ID: 53; Category: Wall Vent; Availability: Contact Vantell - [SUC-series](https://www.vantell.cn/en/products/suc-series-54) - Category: Wall Vent - Summary: The SUC-series like the appearance of SUS-series,the inside structure is the same as SUA-series, to offer anti draught cowl attachment to prevent return air. - Applications: Wall Vent; Building envelope construction; Project-specific applications - Key data: Legacy product ID: 54; Category: Wall Vent; Availability: Contact Vantell - [SUA/GUA -series](https://www.vantell.cn/en/products/sua-gua-series-56) - Category: Wall Vent - Summary: The SUA/GUA series have a best advantage is to offer anti draught cowl attachment for extra draught resistance and resist water from entering stove pipe. - Applications: Wall Vent; Building envelope construction; Project-specific applications - Key data: Legacy product ID: 56; Category: Wall Vent; Availability: Contact Vantell - [SMS-series](https://www.vantell.cn/en/products/sms-series-57) - Category: Wall Vent - Summary: The SMS series offer deflective shutter type help control back-draft and resist water from entering stove pipe. Material: Stainless steel 304/2B - Applications: Wall Vent; Building envelope construction; Project-specific applications - Key data: Legacy product ID: 57; Category: Wall Vent; Availability: Contact Vantell ## Technical Articles - [How Capillary Action Affects the Building Envelope — and How Drainable Housewrap or Rainscreen Systems Help](https://www.vantell.cn/en/articles/capillary-action-building-envelope-drainable-housewrap-rainscreen) - Category: Technical Article - Summary: Capillary action can trap liquid water between cladding, WRB and sheathing, especially when materials are in close contact. This article explains why capillary moisture m - Published: 2026-06-11 ## Downloads - Vantell Water Management Catalog - Description: Vantell technical document for building envelope moisture management systems. - File: https://www.vantell.cn/uploads/files/20241030/1730256908255420.pdf - Updated: 2026-06-04 - Vantell Flashing Tape Product Data Sheet - Description: Vantell technical document for building envelope moisture management systems. - File: https://www.vantell.cn/uploads/files/20260601/1780293288477086.pdf - Updated: 2026-06-04 - Vantell Housewrap/WRB Product Data Sheet - Description: Vantell technical document for building envelope moisture management systems. - File: https://www.vantell.cn/uploads/files/20260601/1780299352789699.pdf - Updated: 2026-06-04 ## Company - Legal name: Shanghai Vantell Industry Development Co., Ltd. - Address: Room 502, No.2, Lane 313, NingGuo Road, Shanghai China - Phone: +86 21 5580 9962 - Email: info@vantell.cn, sales@vantell.cn - LinkedIn: https://www.linkedin.com/company/111818204/