Roofing, cladding or siding module or apparatus
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Solution Overview
Problem
Traditional roofing, cladding, and siding products are heavy, difficult to install, lack durability and environmental resistance, and compromise weatherproofing due to fastener penetrations, while they also contribute to heat transfer and increased air conditioning costs.
Innovation Solution
A roofing, cladding, or siding module with an underlapping region and projections that create a gap and airflow pathway, featuring a cavity design to prevent water pooling and incorporate photovoltaic cells for thermal energy recovery, using polymeric materials for durability and sustainability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional roofing products are used, then they provide basic covering function, but they are heavy and difficult to install
Solution Approach 1:
The roofing system is divided into modular panels that can be easily handled and installed individually. Each panel is a self-contained unit with integrated fastening mechanisms, allowing workers to install complete sections rather than handling heavy traditional roofing materials piece by piece.
Solution Approach 2:
A proprietary fastening system acts as an intermediary between the lightweight panels and the roof structure. This fastening mechanism provides secure attachment without requiring heavy materials, enabling easy installation while maintaining structural integrity.
2Reliability
If traditional roofing products are used, then they provide basic covering function, but they lack durability and environmental resistance
Solution Approach 1:
The panels utilize composite material construction that combines multiple materials with complementary properties to achieve superior durability and environmental resistance. This composite approach allows the panels to withstand various weather conditions while maintaining ease of manufacture through integrated molding processes.
Solution Approach 2:
The material properties are optimized by adjusting parameters such as thickness, density, and composition during manufacturing. These parameter changes enable the panels to achieve enhanced durability and environmental resistance without significantly increasing manufacturing complexity.
3Reliability
If fasteners are used to attach roofing products, then they provide secure attachment, but they compromise weather proofing of the roofing substrate
Solution Approach 1:
A specialized fastening system with integrated sealing components acts as an intermediary between the panel and roof structure. This system maintains attachment security while preventing water infiltration through built-in sealing mechanisms that close around the fastener penetration points.
Solution Approach 2:
The fastening system incorporates pre-installed sealing elements and gaskets that are positioned before final assembly. These beforehand cushioning measures prevent water infiltration at penetration points, maintaining weather proofing while ensuring secure attachment.
4Loss of energy
If traditional roofing products are used, then they provide basic covering function, but they contribute to heat transfer and increased air conditioning costs
Solution Approach 1:
The panels incorporate localized thermal management features such as reflective coatings on the exterior surface and insulating layers on the interior side. This local quality approach addresses heat transfer issues at specific locations without requiring complex system-wide modifications, reducing energy loss while maintaining manageable system complexity.
Solution Approach 2:
Multi-layer composite construction includes materials with different thermal properties arranged to reflect solar radiation externally and provide thermal insulation internally. This composite structure reduces heat transfer and energy loss while maintaining relatively simple installation procedures.
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 module addresses installation challenges, enhances durability and environmental resistance, prevents water pooling, and reduces thermal load by facilitating airflow and thermal energy recovery, while maintaining weatherproofing and energy efficiency.
Implementation Method 1
a surface of the cavity extending between a base (bottom) of the cavity and a front of the cavity is inclined to allow water to flow from the cavity when the module is located on an inclined building surface
Implementation Method 2
the projections provide a profile on the underside of the underlapping region to define a pathway for air flow between the module and the building surface
Implementation Method 3
incorporate photovoltaic cells for thermal energy recovery
Data Source
AI summary
A roofing, cladding or siding module is described. The module comprises an underlapping region adapted to be substantially covered by an exposed region of an adjacent overlapping module when installed on a building surface. A plurality of projections are formed on an underside of the underlapping region. The projections are feet to support the module on the building surface to provide a gap between the module and the building surface, and/or provide a profile on the underside of the underlapping region to define a pathway for air flow between the module and the building surface. Each projection is formed by a downwardly projecting portion of the underlapping region with a corresponding cavity in an upper side of the underlapping region, and the cavity is shaped to prevent or minimize water pooling in the cavity.