Non-structural Insulating Panel with External Stringers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current insulation systems for buildings face challenges in providing effective thermal insulation and air/moisture resistance while allowing for the mounting of cladding materials without creating thermal bridges that degrade insulating capabilities, and are often costly and labor-intensive to install.
Innovation Solution
The use of non-structural insulating panels with external stringers, tubular connectors, and embedded insulating foam, which minimize thermal bridging by using low thermal conductivity materials for connectors and foam, allowing for efficient transfer of loads and air-tight sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If traditional insulation systems are used with structural framing and cladding, then the building structure can support loads and provide weatherproofing, but thermal bridges are created through the framing members that degrade insulating capabilities
Solution Approach 1:
The wall assembly is segmented into distinct functional layers: a structural frame for load bearing, a non-structural insulating panel for thermal insulation, and cladding for weatherproofing. This segmentation allows each component to optimize its specific function without compromising the others, separating the structural and insulating functions to eliminate thermal bridges.
Solution Approach 2:
A non-structural insulating panel is introduced as an intermediary layer between the structural frame and the cladding. This intermediary panel provides thermal insulation while the structural frame continues to bear loads. The intermediary panel can be attached to the structural frame through connectors that minimize thermal bridging while maintaining structural integrity.
2Loss of energy
If insulation is installed within the structural frame cavities, then thermal insulation is provided, but the installation process becomes costly and labor-intensive
Solution Approach 1:
The insulating panel merges multiple functions into a single non-structural component: thermal insulation, air sealing, and a nailing surface for cladding attachment. This consolidation eliminates the need for separate insulation installation within frame cavities, reducing labor costs and installation complexity while maintaining or improving insulating performance.
Solution Approach 2:
The insulating panel is pre-fabricated with integrated insulation materials and air sealing components before installation at the building site. This preliminary preparation simplifies the on-site installation process, reducing labor requirements and costs compared to installing insulation within structural frame cavities during construction.
3Strength
If cladding is nailed directly to the structural frame, then the cladding is securely attached, but numerous holes are created in the air/water barrier compromising its performance
Solution Approach 1:
The non-structural insulating panel serves as an intermediary nailing surface between the structural frame and the cladding. The panel is attached to the structural frame through connectors that preserve the air/water barrier integrity, while the cladding is then nailed to the panel's nailing surface. This intermediary layer provides a secure attachment point for cladding without creating holes in the air/water barrier.
Solution Approach 2:
The insulating panel incorporates an air/water barrier layer that acts as a flexible protective film. This thin film maintains the integrity of the air/water barrier while still allowing for secure cladding attachment through the panel's nailing surface, preventing the creation of compromising holes in the barrier layer.
4Loss of energy
If thick insulation is installed to reduce thermal bridging, then insulating performance improves, but the panel weight and structural complexity increase
Solution Approach 1:
The insulating panel uses composite construction combining lightweight insulating materials with structural support elements. The panel integrates insulation, air sealing, and mechanical support functions in a single composite structure that provides effective thermal insulation without excessive weight, optimizing the balance between insulating performance and structural considerations.
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
This solution provides highly-insulating walls and roofs with reduced thermal bridging, lower material and labor costs, and improved air sealing, suitable for new and existing buildings, enhancing energy efficiency and construction efficiency.
Implementation Method 1
insulating foam embedded in the space defined between the inner and outer surfaces... connectors... made from low thermal conductivity materials
Data Source
AI summary
An insulating panel structure for application to the exterior of a building, the panel structure having an inner surface to be attached to the building and an outer surface to be attached to an exterior load such as cladding material. The panel structure has external stringers along the outer surface of the panel for attachment of the exterior load, connectors extending perpendicularly from the internal surface to the external stringers to transmit compressive forces from the exterior load to the building, lateral connectors that run diagonally upward from the external stringers to the inner surface to transmit tensile forces from the weight of the exterior load from the external stringers of the panel to the building, and insulating foam embedded in the space defined between the inner and outer surfaces.