Structural Insulated Panel With Steel Frame And Foam Core
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Solution Overview
Problem
Existing offsite building panel systems fail to provide adequate performance in extreme weather conditions, humidity, and wind resistance while maintaining structural integrity and energy efficiency, often relying on unreliable seals and tapes, and requiring skilled labor for optimal installation.
Innovation Solution
A building panel assembly featuring spaced-apart containment boards with a curable insulating foam core and a lightweight structural steel frame, which eliminates the need for additional membranes and tapes by providing airtight and thermally efficient connections through 'Z' joints and MgO board splines, enhancing load-bearing capacity and alignment accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional membranes, tapes, and mastic seals are used to provide moisture control and airtightness, then the building envelope can achieve basic sealing, but the seals fail over time in extreme weather conditions and require skilled labor for proper installation
Solution Approach 1:
The patent removes traditional sealing components (membranes, tapes, mastic) from the building envelope system and replaces them with a monolithic insulating foam core that provides inherent airtightness and moisture control, eliminating the need for separate sealing operations and reducing installation complexity
Solution Approach 2:
The patent combines multiple functions (insulation, airtightness, moisture control, structural support) into a single integrated insulating foam core component, eliminating the need for separate sealing materials and skilled installation procedures
2Reliability
If additional membranes, tapes, and sealants are applied to achieve airtightness, then moisture and air sealing can be improved, but the device complexity and number of installation steps increase
Solution Approach 1:
The patent extracts and eliminates multiple separate sealing components (membranes, tapes, mastic, sealants) from the building envelope system, replacing them with a single monolithic insulating foam core that provides inherent airtightness without requiring additional sealing layers
Solution Approach 2:
The patent merges the functions of insulation, airtightness, and moisture control into a single integrated insulating foam core, eliminating the need for multiple separate sealing components and simplifying the overall envelope system
3Strength
If standard SIPS panels or timber frame panels are used, then basic structural support is provided, but the load-bearing capacity is insufficient for additional loadings without additional internal structural elements
Solution Approach 1:
The patent employs a composite panel construction combining rigid containment boards with a structural insulating foam core, creating a unified structural element that provides both thermal insulation and enhanced load-bearing capacity without requiring additional internal structural supports
Solution Approach 2:
The patent combines structural support functions with the insulation panels themselves, making the panels load-bearing components that can support additional loadings (such as roof loads or floor loads) without requiring separate internal structural elements
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution achieves improved structural integrity, load-bearing capacity, and thermal insulation while minimizing thermal bridging and site reliance, ensuring energy efficiency and resistance to extreme weather conditions without additional sealing materials, suitable for diverse climates and labor conditions.
Implementation Method 1
a curable insulating foam may be introduced between the containment boards and at least partially around the one or more bodies
Implementation Method 2
one or more bodies around which a curable insulating foam may be introduced
Data Source
AI summary
Building panel assemblies for use in the construction of new homes, commercial buildings and extensions having rectangular structural insulated panel (SIP) (10), comprises a pair of spaced-apart containment boards (12′,12″) an inner insulating core (13) and a low profile peripheral external rigid frame (14), preferably of metal, e.g. steel, extending around the entire periphery of the spaced-apart boards (12′,12″).