Resources
Documents & specifications
Everything an architect, specifier or builder needs on the Shield™ panel system.
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PDF · 193 KB
Shield™ Technical Product Specifications
Panel construction, thicknesses, R-values and structural data for the Shield™ panel system.
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PDF · 328 KB
Guardian 3-Part Specification
CSI-format three-part specification for architects and specifiers, revised 14 August 2025.
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PDF · 112 KB
Guardian Shield™ Panels Differentiation Sheet
How Shield™ panels differ from stick framing, SIPs, ICF and masonry, point by point.
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PDF · 307 KB
PHIUS Certificate — Shield™ Panel System
The full Passive House Institute US certificate. Shield™ is the first and currently only certified panel system in the US.
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PDF · 776 KB
GST Production Process
How panels are engineered, cut and assembled in the Cleveland plant.
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PDF · 19.3 MB
Product Performance Analysis
Modelled thermal and energy performance of a Shield™ building against conventional construction.
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PDF · 307 KB
E3 Quotient for Build
The E3 mortgage savings programme and the energy-efficient components that qualify a build.
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Need something not listed here?
Ask us for engineering letters, details or test reports for your project.