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New High Velocity Hurricane Zone (HVHZ) Systems including Level E rated system for essential buildings

StoVentec®

Rainscreen Systems

A panel isn’t a rainscreen system.

Most solutions stop at the surface. They leave the critical layers behind your wall to chance.

vs.

StoVentec® is the Complete Rainscreen system.

One engineered system across every control layer – air, water, and thermal.

One spec. One warranty. Zero gaps.

What Makes it a Complete System

StoVentec is engineered as a complete rainscreen system, designed to perform across every layer of the wall.

Air & Water Protection
Advanced layers work together to manage moisture and protect the building envelope.

Thermal Performance
Continuous insulation helps improve energy efficiency and occupant comfort.

Drainage & Ventilation
A pressure-equalized cavity helps remove moisture and promotes drying.

Continuous Insulation
Thermal barrier extends uninterrupted behind the cladding for optimal performance.

One System. One Warranty.
All components are designed to work together, backed by a single-source warranty.

Engineered to Work Together
Every component is tested and validated as part of one system.

Build for Building Performance
Designed for long-term durability, resilience, and code compliance.

Simplified Specification
Single-source system helps save time and reduce coordination.

Confidence from the Start
Backed by Sto’s expertise and a single-source warranty.

Still One System, No Matter the Finish.

Every StoVentec® configuration is built on the same fully engineered rainscreen system—only the exterior expression changes.

StoVentec® Fiber Cement

  • Prefinished façade panels in a range of colors and textures
  • Lightweight system simplifies installation and reduces load
  • Durable, low-maintenance exterior solution
  • Integrated into a complete StoVentec rainscreen system

StoVentec® Render

  • Continuous insulated façade with seamless, modern aesthetics
  • Wide range of textures, colors, and finish options
  • Ideal for complex geometries and smooth transitions
  • Fully integrated within the StoVentec rainscreen system

StoVentec® Masonry Veneer

  • Achieve the look of brick or stone within a lightweight system
  • Reduces structural load compared to traditional masonry
  • Supports faster installation with fewer trades
  • Engineered as part of the StoVentec rainscreen system

StoVentec® Glass

  • Sleek, modern façade with opaque or glass-faced panel options
  • Supports high-performance, contemporary building designs
  • Durable system designed for long-term exterior performance
  • Integrated into the complete StoVentec rainscreen system

Get the Complete System Details

Download detailed design guides to support specification, coordination, and installation across StoVentec system configurations.

Where System Performance Meets Design Possibilities

Explore how StoVentec brings together performance and design flexibility across a wide range of architectural expressions.

Headshot of Terry Stroh, AIA Principle | founder, TL Stroh Architects“Sto allowed us to create a contemporary, elegant-looking building with an addition. You wouldn’t know where the original structure started or ended if you didn’t see it being built. It was the perfect solution!”

Terry Stroh, AIA Principle
Founder, TL Stroh Architects
Download Case Study

“For this project, we were really looking for aesthetics, but we had trust in Sto’s product performance from our previous experiences with them. This made StoVentec an easy choice for both function and looks.”

Amber Buscarello AIA Architect Associate
Download Case Study

“The solutions from Sto enabled us to keep the exterior envelope intact so we avoided energy and water intrusion concerns. We were able to dress up the exterior without being invasive or labor intensive. The grid system allowed the freedom to choose sizes and colors to create our vision with a unique pattern.”

Neil Missling AIA, NCARB Associate
Download Case Study

“It is nice that StoVentec® Render integrates with the glass system. In fact, we have used it on many projects for soffits because of its exceptional durability.”

Jennifer Swan AIA, Associate, Senior Architectural Project Coordinator
Download Case Study

StoVentec Rainscreen Systems are easy to specify via exclusive sections on RIB Speclink!

RIB Speclink Sections

  • 070543 – StoVentro
  • 074400  – Faced Panels
  • 074447 – Fiber Cement Panels

The most versatile Rainscreen® system available.

From fiber cement panels to glass, masonry, and render, our StoVentec® Rainscreen® systems provide a vast array of colors, textures, and shapes, combined with recognized compliance under AAMA and NFPA standards – delivering the proven versatility and performance architects trust.

StoVentec® Fiber Cement: Versatile, lightweight, integrated

StoVentec® Fiber Cement is our durable, drained, and back-ventilated Rainscreen® system with four key components: an air and water-resistive barrier, adjustable sub-construction, thermal insulation, and prefinished high-density fiber cement cladding. Covered by Sto Corp.’s single-source warranty, it offers a variety of finishes, colors, and textures. With exceptional wind load resistance and low maintenance, this code-compliant cladding ensures timeless aesthetics and versatile performance.

System Components:

  1. Air and Water-Resistive Barrier – Sto AirSeal® is a fluid-applied air and water-resistive barrier that protects walls from moisture, provides secondary protection, and ensures air barrier continuity with excellent tensile elongation and code compliance.
  2. Thermal Insulation – StoVentec® Fiber Cement uses ROCKWOOL® Cavityrock® insulation for exceptional thermal performance, fire resistance, sound control, and moisture resistance, with thermal modeling to meet energy code requirements.
  3. StoVentro™ Sub-Construction – StoVentro™ sub-construction forms the structural link between the facade and base wall, offering design flexibility, ventilation, and drainage while leveling walls and enabling creative architectural designs.
  4. Standard or Custom Panels – Sto Fiber Cement high-density panels are available in standard or customized options, can be installed horizontally or vertically using visible fastener or concealed hanger for unique, durable facade designs.

StoVentec®Glass: Smooth, reflective, brilliant

StoVentec Glass is a ventilated Rainscreen wall system consisting of durable, opaque glass-faced panels, thermal insulation, sub-construction, and a continuous air and water-resistive barrier. Cladding panels faced with back-painted or digitally-printed glass are available in a wide range of sizes and in 66 standard colors.

System Components:

  1. StoGuard® air and water-resistive barrier – Featuring Sto AirSeal® the StoGuard® system provides seamless and fully integrated air and moisture control.
  2. Thermal Insulation – StoVentec Glass uses ROCKWOOL® Cavityrock® for exceptional thermal performance, fire resistance, sound control, and moisture resistance, with thermal modeling to meet energy code requirements.
  3. StoVentro™ Sub-Construction – An engineered system consisting of StoVentro Brackets with vertical and horizontal StoVentro T-Profiles to provide the structural link between the facade and supporting wall construction.
  4. StoVentro™ Agraffe Profiles – Part of the StoVentro sub-construction system, StoVentro Agraffe Profiles allow for quick and simple onsite installation of glass panels.
  5. StoVentec® Glass Panel – A composite panel with opaque glass fully bonded to StoVentec Carrier Board A+; a backing board made of 96% recycled glass.

StoVentec for masonry veneer facades: Classic looks with advanced performance

With StoVentec for masonry veneer facades drained and back-ventilated Rainscreen wall system, you achieve the classic look of masonry far faster and easier; at just a fraction of the weight; and with the advanced air, thermal, and moisture control you expect from StoVentec wall systems. StoVentec for masonry veneer facades can be used with any thin brick in conformance with applicable building code requirements.

System Components:

  1. Sto AirSeal® air and water-resistive barrier – A fluid-applied, vapor-permeable AWRB designed for use on most substrates, Sto AirSeal features a 500% elongation capacity, meets requirements of ASTM C1305, and offers building code compliance confirmed by ICC-ESR 1233.
  2. Thermal Insulation – StoVentec for masonry veneer facades uses ROCKWOOL® Cavityrock® for exceptional thermal performance, fire resistance, sound control, and moisture resistance, with thermal modeling to meet energy code requirements.
  3. StoVentro Sub-construction – A highly intuitive engineered system of adjustable wall brackets and T- and L-profiles, StoVentro Sub-construction installs easily and accommodates substrate imperfections.
  4. StoVentec Carrier Board A+ – The blank canvas on which a broad variety of masonry veneers find expression, remarkably strong, durable and resilient StoVentec Carrier Board A+ is made from 96% recycled glass.
  5. Masonry Veneer – Your choice of thin brick is in conformance with applicable building code requirements. StoColl polymer modified portland cement adhesive mortar, compliant with ANSI 118.4, is used for adhering the masonry veneer units over a reinforced basecoat.

StoVentec Render: Blending art, economics, and performance

An ideal balance of economics, functionality and creative design is crucial to your choice of facade systems. StoVentec Render ventilated Rainscreen systems combine thermal insulation, sub-construction and air and water-resistive barrier to provide superior weather tightness, thermal performance and fire protection. Sto’s broad line of architectural finish options provide the widest range of textures, shapes, and colors. StoVentec Render offers pre-engineered solutions for high, medium, and low wind pressure designs as well as hurricane cycle/impact resistance option, that save engineering costs and reduce installation labor.

System Components:

  1. StoGuard® air and water-resistive barrier – Featuring Sto AirSeal® the StoGuard® system provides seamless and fully integrated air and moisture control.
  2. Thermal Insulation – StoVentec Render uses ROCKWOOL® Cavityrock® for exceptional thermal performance, fire resistance, sound control, and moisture resistance, with thermal modeling to meet energy code requirements.
  3. StoVentro™ Sub-Construction – An engineered system consisting of StoVentro Brackets with vertical and horizontal StoVentro T-Profiles to provide the structural link between the facade and supporting wall construction.
  4. StoVentec® Carrier Board A+ – Seamless curves and unique architectural shapes are possible with this versatile carrier backing board that is double-sided mesh reinforced and consists of 96% recycled glass.
  5. Sto Architectural Finish system – a broad range of colors, textures and materials are available with Sto’s proven, durable, long lasting finish systems to suit any design and performance requirements.

StoVentec Color/Texture Options

StoVentec Rainscreen Systems offer a wide variety of aesthetic options. With smooth or light sanded textures in StoVentec Fiber Cement, 66 standard colors or custom digitally-printed imagery in StoVentec Glass and virtually limitless textures, shapes and colors, including complex curvilinear forms that can be achieved with StoVentec Render. StoVentec Rainscreen systems enable designers to achieve a striking, lasting designs.

StoVentec Testing & Compliance

It all comes down to performance. Based on extensive fire and durability testing, StoVentec Systems conform with US and Canadian code requirements for use on noncombustible construction (Intertek Division 7 Design Listings), air leakage resistance, and water resistance (ICC ESR 1233). Each StoVentec system has Florida Product Approval, including for use in the High Velocity Hurricane Zones (HVHZ).

Acceptable for use on noncombustible construction

StoVentec Fiber Cement: Meets criteria

StoVentec Glass: Maximum ultimate load capacity -288 lb/ft2 (-13.8 kN/m2)
StoVentec Render: Maximum ultimate load capacity -160 lb/ft2 (-7.66 kN/m2)
StoVentec Fiber Cement: Maximum wind load capacity up to -196 lb/ft2 (-9.38 kN/m2)

StoVentec Glass: V2 Ventilation Rating
StoVentec Render: V9 Ventilation Rating

StoVentec Glass: +/- 100 psf
StoVentec Render: +/- 80 psf
StoVentec for masonry veneer facades: +/- 80 psf
StoVentec Fiber Cement: +/- 105 psf

StoVentec Glass: W1 Water Penetration Rating
StoVentec Render: W1 Water Penetration Rating

Code Compliance Reports

See a StoVentec Rainscreen System in Action

One Name Behind Every Layer.

Throughout Europe and the UK, our StoVentec® Rainscreen® systems have been used and known for nearly two decades for their superior performance, single-source manufacturing, and rich palette of design possibilities. Now, savvy architects, designers, cladding installers, and developers in the USA are discovering these versatile systems.

What they all appreciate is how StoVentec works out all of the details, rather than leaving them to sort through a hodge-podge of wall components like cladding, sub-framing, insulation, air and water barrier, etc. Instead, architects, owners, and contractors get an entire, fully-tested, and code-approved high-performance ventilated Rainscreen system. This includes a best-in-class air and water barrier, robust mineral wool continuous insulation, the most installer-friendly, adjustable sub-framing system available, and – of course – amazing StoVentec Rainscreen cladding.

Best of all, every system is backed with a 10-year warranty by Sto, manufacturer of StoVentec Original Rainscreen Systems. Our local technical specialists are ready to help you create a lasting, high-performance, work of art in cladding.

Contact a Specialist

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