Polymeric Foam Protective Panel for Fenestration Storm Defense
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Solution Overview
Problem
Existing building protective paneling for fenestrations is heavy, non-reusable, difficult to transport, and lacks light transmissive properties, failing to meet safety standards for hurricane and storm protection while being prone to moisture degradation and confusion between materials like plywood and OSB.
Innovation Solution
A lightweight, polymeric protective panel with integrated security film and translucent properties, designed for easy installation and reuse, meeting ASTM E-1996 standards, and featuring a cutting guide and fastener spacing instructions for proper application, along with integrated lighting to deter crime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional plywood or OSB paneling is used for storm protection, then protection against wind-driven projectiles is achieved, but the panels become heavy and difficult to transport
Solution Approach 1:
The patent uses a composite structure consisting of a polymeric foam core with a skin layer formed from a copolymer of vinyl acetate and acrylic acid. This composite material provides the necessary strength and penetration resistance while maintaining lightweight properties, resolving the contradiction between protection capability and transportability.
Solution Approach 2:
The patent specifies precise compositional parameters for the copolymer (vinyl acetate and acrylic acid in specific ratios) and the foam core density to achieve optimal balance between strength and weight. By controlling these material parameters, the panel meets ASTM E-1996 standards while remaining lightweight and easy to transport.
2Strength
If traditional plywood is used for storm protection, then protection is provided, but the panels are non-reusable and difficult to install quickly
Solution Approach 1:
The patent employs a fastening system with removable fasteners that allow the panels to be quickly installed and removed. The panels can be repositioned and reused after storms, transforming from static traditional plywood to dynamic, adaptable protective elements that enhance ease of operation while maintaining protection capability.
Solution Approach 2:
The panels are pre-manufactured with integrated fastening features and precise dimensions, allowing for rapid installation without requiring extensive on-site preparation or customization. This preliminary preparation significantly reduces installation time and improves ease of operation during emergency storm protection scenarios.
3Strength
If traditional paneling materials are used, then protection is achieved, but they lack light transmissive properties and are prone to moisture degradation
Solution Approach 1:
The patent utilizes the inherent translucency parameter of the polymeric foam material to allow light transmission while maintaining impact protection. The foam core and copolymer skin are formulated with specific optical properties that enable light passage, resolving the contradiction between protection strength and light transmission by changing the material's optical parameters.
4Strength
If thicker plywood is used to meet protection standards, then penetration resistance is improved, but cost and weight increase unnecessarily
Solution Approach 1:
The patent employs a composite foam structure with optimized core density and skin layer thickness that achieves equivalent or superior penetration resistance to thicker solid plywood. The cellular foam structure provides high strength-to-weight ratio, allowing penetration resistance to be achieved with significantly reduced weight compared to traditional solid wood panels.
Solution Approach 2:
The patent specifies precise parameter ranges for foam core density, skin layer thickness, and copolymer composition to achieve optimal penetration resistance. By carefully controlling these parameters, the panel meets ASTM E-1996 standards with minimum necessary material, avoiding the excessive weight and cost associated with using thicker traditional plywood.
Data Source
AI summary
The present invention is directed to an apparatus and system involving the use of a panel for protecting fenestrations in buildings such as windows and doors, from damage caused by storms, tornadoes, hurricanes, riots, and the like. Embodiments of the present invention include a substrate panel attached to a security film providing increased protection against wind-driven missiles associated with high winds with decreased weight and mitigating improper installation.