PortalWall® SEA™
917-589-6253 Yonatan Margalit - Owner/Inventor
PortalWall® SEA™
917-589-6253 Yonatan Margalit - Owner/Inventor
Water Vapor Aloft™ (WVA™):
Signals That Your Wall Works
People spend nearly 87% of their lives indoors, making the building enclosure critical to health, comfort, and energy efficiency.
The Signal
Water Vapor Aloft™ (WVA™) shows the wall assembly is performing correctly:
- Airtight, continuous enclosure
- No cold spots, thermal bridges, or hidden condensation
- Optimal humidity (40–60% RH) preserved without risk
- Reduced mold and sick building syndrome
PortalWall® Difference
Patent-protected and unique, WVA™ proves that design and physics work together to maintain comfort, efficiency, and well-being in the occupied space.
Full Details: See the complete [blog article] for the science behind WVA™.
© Yonatan Zvi Margalit — Copyright Protected
PortalWall® — Architecture as the First Fuel™
PortalWall® embodies energy in renewal, turning the IEA’s principle of efficiency as the “first fuel” into architecture itself.
By focusing on the opaque, non-vision zones of the façade, PortalWall® ensures performance that cannot be disrupted by occupant behavior — no open windows, no fragile settings, no variables to fail.
Signals:
- MC²™ — delivers cost efficiency, scalability, and simple deployment.
- WVA™ — proves the wall assembly maintains comfort, optimal humidity, and health.
The Result: A coherent, reproducible system that performs across climates and building types — extreme efficiency, no moving parts, just measurable performance. It simply saves the energy you bargained for.
Together, these principles define a new façade logic: conserving before consuming, allowing air, energy, and wellness to move freely within every structure.
IEA chief: Energy efficiency is the world's 'first fuel' | World Economic Forum
© Yonatan Zvi Margalit — Copyright Protected
MC²™
Signals Economy of Build
and Scalability
MC²™ is PortalWall®’s guiding principle: two major components, one shared logic, designed to deliver more performance for less cost.
Core Components:
- Fortified Opaque Infill™ (FOI™): Fascia + Insulated Panel
- Water-Draining Spandrel Assembly (WDSA™): Spandrel Beam + Draining Carrier
By uniting precision curtain walling with insulated-panel efficiency, MC²™ creates a single, aligned system that is:
- Structurally sound
- Thermally efficient
- Easy to procure and assemble
- Globally scalable
The Signal: High performance at lower cost, proving that affordability is the true measure of a better wall.
Full Details: See the [blog article] for complete explanation of MC²™, FOI™, and WDSA™.
© Yonatan Zvi Margalit — Copyright Protected
DESIGN software coming soon
July 25, 2025 – THERM Analysis Summary
WVA™ communicates wellness and efficiency. Not theory, but a measurable signal: it proves the enclosure works in harmony with nature — preserving water vapor in the breathing zone where health and comfort belong.
A full thermal analysis conducted with LBNL’s industry-standard THERM software confirmed 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 driven by the system’s underlying thermal logic:
- Flat-sheet diaphragm — replaces conventional vertical framing, absorbing and distributing energy uniformly.
- No vertical framing members — eliminating weak points typical of conventional façades.
- Continuous Outsulate™ capability — the flat diaphragm creates a robust plane for uninterrupted exterior insulation.
- Integrated heat sink and insulation layers — strategically placed to balance energy and moisture.
The result: a high-performance enclosure that manages energy and moisture with exceptional reliability — and provides visible proof that wellness and efficiency can coexist in one wall system.
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