PRIOR - State of the Art Complexity & Energy Transfer Paths - Designed-In
In the time it takes others to assemble metal framing, install thermal modules and apply metal back pans, we can complete multiple PortalWall® FORTified Opaque INfill™ panels — because our design eliminates all of those separate parts entirely.
PortalWall® FORTified Opaque INfill™
MC2 Stands for 2 Main Components
Architectural Fascia & Composite Wall Panel
Hidden & Patented Fastening Point
We Arrived at Simplicity
by First Principles Thinking
NEW, State of the Art,
Complexity Eliminated
Energy Transfer Paths, ELIMINATED
PortalWall® FORTified Opaque INfill™ - strives to reduce complexity and eliminate energy transfer paths.
NO FRAMING REQUIRED
Just two main parts, Architectural Fascia & Composite Wall Panel
Hidden & Patented Fastening Point
About the WVA™ Logo
The WVA™ logo is the DNA of PortalWall®. The triangle represents the stability of enclosure. Inside it are the elements of air — nitrogen (N₂), oxygen (O₂), and water vapor (H₂O) — with water vapor rising aloft, shown by the upward arrow. This simple diagram encodes the essential truth: when vapor stays aloft, the enclosure remains healthy, energy is preserved, and comfort is maintained. The mark captures in one symbol the full logic of Water Vapor Aloft™ — compact, profound, and patent protected as part of the PortalWall® system.
Extreme Energy Efficiency with WVA™ — Water Vapor Aloft™
PortalWall® Keeps Vapor Aloft
The key to true efficiency and comfort is simple: keep hidden surfaces above the dew point so water vapor never collapses.
PortalWall® makes this possible. Vapor remains aloft in the occupied zone, conserving energy and transforming the wall itself into an active engine of performance.
Why This Matters
- Stable comfort with less heating and cooling demand
- Natural humidification for healthier breathing
- Protection for interiors, artwork, and structure
- Durability through prevention of mold and hidden condensation
The Cloud Analogy
Think of the sky: without clouds, Earth would be unstable and freezing. Clouds hold latent energy aloft until it’s released. PortalWall® does the same inside buildings — preserving vapor and its energy instead of letting it collapse into cold, hidden cavities.
What Went Wrong Before
Conventional walls drained that comfort away. They allowed vapor to leak into cavities where it condensed, wasting energy, inviting mold, and leaving interiors dry and harsh. With PortalWall®, that era is over. A wall is no longer just a barrier — it’s a living system that conserves energy and sustains health.
© Yonatan Zvi Margalit — Copyright Protected
PortalWall® -WDSA™
(Water Draining Spandrel Assembly)
MC²™ — 2 Main Components - Aluminum Extrusion & Metal Spanning Diaphragm- Patents Filed
Added Storm Resilience
PortalFlow™
FREED-AIR™
PORTALS + AIR
=
LOWER CONDESATION RISK
LOWER MOLD GROWT RISK
IN VAST HIDDEN AREAS OF
OPAQUE BUILDING
ENCLOSURES
Added Storm Resilience
PortalFlow™
FREED-AIR™
PORTALS + AIR
=
LOWER CONDESATION RISK
LOWER MOLD GROWT RISK
IN VAST HIDDEN AREAS OF
OPAQUE BUILDING
ENCLOSURES
E < MC²™
Efficiency = Energy Saved
M = Main
C = Component
2 = Just Two
“I wanted to capture the simplicity and efficiency of PortalWall®. Then I realized the system truly comes down to just two Main Components — and remarkably, it spelled out one of the most famous equations in history. Only this time, with a twist:
E < MC²™
With PortalWall®, efficiency isn’t just a formula — it’s a principle. Fewer parts mean less energy to make, less energy to assemble, and more energy saved for the life of the building. Less really is more.”
A penny saved is a penny earned — but that old adage means you must chase the next penny again and again. With PortalWall®, the saving never stops. Efficiency begins the moment the system is in place and continues endlessly, like a ball rolling on its own. No oil wells to drill, no wind turbines to spin, no solar panels to mount and maintain — just quiet, perpetual savings built into the wall itself.
— Yonatan Zvi Margalit, Inventor/Owner
NYCHA MY LESSONS LEARNED
https://www.linkedin.com/pulse/why-me-portalwall-yonatan-margalit-kfaye
PortalWall® + VIG, The next level
https://www.linkedin.com/pulse/vacuum-insulated-glass-8-sealy-drive-yonatan-margalit-aul6e
PortalWall® and WVA™: Turning Building Envelopes into Health Engines
https://www.linkedin.com/pulse/wva-science-behind-water-vapor-aloft-yonatan-margalit-gijte
WVA™ WATER VAPOR ALOFT EXPLAINED GRAPHICALLY
PORTALWALL FORTIFIED OPAQUE INFILL™
https://www.linkedin.com/pulse/portalwall-opaque-infill-yonatan-margalit-yxpye
WE LIVE IN SILOS & MY SOLUTION SHARED WITH NYSERDA IN DECEMBER 2019
https://www.linkedin.com/pulse/nyserda-portalwall-pon-3519pdf-yonatan-margalit-idpwe
When Efficiency Without Airflow Fails & How PortalWall® Improves
WVA™ WATER VAPOR ALOFT & THE WHITE BLOOD CELL ANALOGY
https://www.linkedin.com/pulse/wva-concept-water-vapor-aloft-yonatan-margalit-w7iue
MY HISTROY
https://www.linkedin.com/pulse/my-journey-industry-began-1984-yonatan-margalit-qi5pc
WHY WE BUILD THE WALL
PortalWall® — Why It’s Verifiable and Ready to Perform
Every major component of PortalWall® comes from a CSI-recognized category with published, lab-certified performance values. This means architects, owners, and investors can confirm claims against existing ASTM/ISO test data — ensuring the system is proven in the lab and ready to deliver in the field.
Division 07 – 07 42 43 – Composite Wall Panels
Factory-insulated, metal-faced panels with published R-values, fire ratings, and durability certifications.
Division 08 – 08 44 13 – Glazed Aluminum Curtain Walls / 08 46 00 – Window Wall Assemblies
Spanning assemblies with documented structural capacity, air/water infiltration resistance, and integration performance.
Division 05 – 05 40 00 – Cold-Formed Metal Framing
Structural framing elements with published load tables and span charts.
By integrating these proven components, PortalWall® delivers:
Certified thermal performance
Verified structural capacity
Documented fire and weather resistance
Predictable installation outcomes
The result: A high-performance enclosure that is verifiable, deployable, and ready to perform — in the lab or in the field.
PortalWall® - CFD ANALYSIS INCOMING
DRY SIDE STRUCTURAL REINFORCEMENT & FREED™ AIR ALWAYS KEEPS SPACE DRY
PERFORMING AS INTENDED, AS DEPICTED IN MY GRANTED PATENT - FIGURE 9B
NO MODIFICATIONS, DRY SIDE
NO FINISHING IS REQUIRED
PERFORMS AS INTENDED
STRUCTURAL SUPPORT + MINIMAL PRESSURE DROP IS THE INVENTIVE STEP, AUGUST 20, 2025.
NOT OBVIOUS, PATENTS WILL BE FILED BY YONATAN ZVI MARGALIT
TO ENHANCE HIS FAMILY OF PATENTS.
PortalWall® - CFD ANALYSIS INCOMING
DRY SIDE STRUCTURAL REINFORCEMENT & FREED™ Air
ALWAYS KEEPS SPACE DRY
PERFORMING AS INTENDED, AS DEPICTED IN MY GRANTED PATENT - FIGURE 9B
THE LOSS OF PRESSURE IS MINIMAL
EXCITED TO SHOW THE WORLD WHAT WE CAN DO
A NEAR FUTURE ROBUST MARKET DEPLOYEMENT
ANALYSIS REPORTS PROPERTY
OF YONATAN ZVI MARGALIT
RJ ALUMINUM - FIRST FAB SOURCE
PortalWall® Parallels™ — Permanent Alignment
The Secret Sauce — Born in 2016
Patents Applied For & Granted
First PortalWall Build: RJ Aluminum, February 2016
To deliver multiple benefits from a single assembly, every performance element must operate in parallel — resisting nature’s forces while staying perfectly balanced. In PortalWall®, the Thermal Layer, Vapor Layer, and Structural Layer are fused together inside one factory-built envelope.
Why We Do It Better
In conventional assemblies, these layers are often built separately—installed at different stages, by different trades, and with varying tolerances. This leads to misalignment, hidden weaknesses, and performance drift over time.
PortalWall® solves this from day one. The layers are born together in the factory, precisely aligned without heat, chemistry, or metallurgy. Because they start as one, they stay as one — for the life of the building.
The result is consistent, uncompromised performance: no separation, no degradation, and no surprises.
Permanent alignment means permanent reliability.
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July 25, 2025 - THERM Analysis Summary
A full thermal analysis was conducted using LBNL’s industry-standard THERM software, confirming that the PortalWall® assembly exhibits zero condensation risk under design conditions.
Even at outdoor temperatures as low as 0°F, interior surface temperatures remain well above the dew point, ensuring dry, mold-resistant performance.
This superior result is attributed to the system’s underlying thermal logic—most notably, the elimination of vertical framing members, which are typically weak points in conventional facade systems. By removing these thermal bridges and integrating strategically placed heat sink and insulation layers, PortalWall® achieves a high-performance envelope that manages both energy and moisture with exceptional reliability.
PortalWall®: Built to Withstand, Designed to Perform in every CLIMATE ZONE
PortalWall®, with its advanced spandrel assembly, makes high-performance façade design not only possible—but inevitable.
No volume of rainwater PLUS wind pressure, will cause it to fail.
It’s rigid, it’s reliable, and it’s all tried and true—built on tested materials, patented logic, and real-world performance.
It’s engineered to channel, protect, and perform under the harshest conditions.
Thanks to our now patent-pending PortalWall® + Parallels™ configuration, we can integrate best-in-class thermal modules while keeping the assembly cool, dry, and structurally sound. Moisture stays out. Heat flows the way we want it to. Everything works in harmony.
This is DESIGN WISDOM.
PortalWall® was lab tested before it was conceived, built upon the proven performance of a Kingspan QuadCore® 4-inch-deep insulated panel—but improved upon, a panel with published thermal and structural data. From this strong foundation, the system was continuously improved and validated.
The true breakthrough lies in the patented enhancements described in U.S. Patent No. 10,329,758 B2—my first granted patent. These innovations structurally reinforce the panel without compromising its core integrity.
In fact, the design is so precisely engineered that the original manufacturer's warranty remains fully intact and carries forward with the PortalWall® system.
No Accommodations. No compromise. Just improvement.
PortalWall® Fortified Opaque INfill™
PH & PortalWall®
PortalWall®: Passive House Performance, Delivered Consistently
PortalWall® Is the critical layer Passive House often overlooks—the dynamic, structural, performance-enhancing core that ties everything together.
Designed by a practical engineering mind with a holistic view, cost careful, PortalWall® solves what others neglect:
- The opaque water-draining spandrel assembly
- The airflow logic that avoids mold and stagnation
Passive House is a target. PortalWall® is the only path to massive deployement without Value Engineering Risk.
It doesn’t just comply—it improves, integrates, and elevates.
So next time you hear “Passive House,” remember:
PortalWall® is what makes it real.
Better yet, we can visit you.
Yonatan Zvi Margalit is the Exclusive Global Licensor
Active-Wall™ & Portalwall® IP, Inc., A New York State Corporation Opened and Wholly Owned by Yonatan Zvi Margalit.
Corporation Scope: Manage Licensees, Collect Licensing Fees,
Procure & Resell Key Components to Licensees, as Stipulated in the License Documents.
GRASS ROOTS approach to deploying Active-Wall™ & Portalwall® We can meet you anytime in the New York Metropolitan Area.
Today | By Appointment |
PortalWall® is the result of decades of thought, design, and persistence. Patents safeguard its originality, ensuring that credit, opportunity, and progress flow through the rightful channel — the inventor who conceived it.
These protections are not walls to keep others out; they are gateways to fair collaboration. They ensure that anyone who wishes to build on this work must first come to its source. In doing so, patents protect the invention while opening the door to scale, partnership, and shared success.
These safeguards.
PortalWall® — Yonatan Zvi Margalit
© Copyright Protected
917-589-6253