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 August 14, 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 Passive House Institute US certificate for the Shield™ panel system, which Guardian states 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
DEMO Architecture’s all-electric ADU proposal for the town of Kingston (RFP K23-15), priced with Guardian’s help.
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PDF · 307 KB
E3 Quotient for Build
The Shield™ E3 System: the panel envelope paired with high-efficiency air-to-water heat pumps for heating, cooling and hot water.
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Need something not listed here?
Ask us for engineering letters, details or test reports for your project.