Insulation Retention System for Portable Buildings
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Solution Overview
Problem
Portable buildings face challenges in maintaining insulation due to material deflection caused by wind forces, leading to insulation materials sliding down slopes, which results in gaps and increased weight, necessitating a system that limits deflection and prevents insulation migration.
Innovation Solution
A method involving the use of lengthwise slits in flexible material sheets, pull devices, and cable winches to secure insulation, along with structural struts and adhesive application to prevent sliding, ensuring the insulation remains in place on inclined roofs and walls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional insulation material is used to achieve minimum energy conservation code compliance, then thermal resistance is improved, but excessive deflection occurs in the flexible materials
Solution Approach 1:
The patent applies preliminary action by installing rigid structural members (such as battens or framing elements) over the flexible ceiling material before installing the insulation. This preliminary structural reinforcement prevents excessive deflection when insulation is added, allowing the system to achieve required thermal resistance without compromising the flexibility or causing damage to the ceiling material.
2Object-affected harmful factors
If sufficient slopes are designed into the exterior coverings to repel rain water and snow accumulation, then water drainage is improved, but insulation materials slide down the slope
Solution Approach 1:
The patent introduces an intermediary component (such as a retention system, mechanical fastening elements, or textured surface layer) between the sloped flexible ceiling material and the insulation material. This intermediary prevents the insulation from sliding down the slope while maintaining the necessary slope for water drainage, thus resolving the contradiction between effective water runoff and insulation stability.
3Temperature
If insulation materials are placed on the aesthetic flexible fabric ceiling systems, then thermal resistance is improved, but gaps form in the insulation due to building movement
Solution Approach 1:
The patent applies dynamics by using a retention system that can accommodate the natural movement and flexibility of the portable building structure. The system allows for controlled movement while maintaining continuous insulation coverage, preventing gaps from forming as the building flexes or moves in response to wind forces and structural dynamics.
4Ease of manufacture
If the portable building is designed for short-term use, then ease of installation is improved, but structural reinforcement for long-term use is insufficient
Solution Approach 1:
The patent applies preliminary action by incorporating reinforcement elements (such as rigid battens, structural framing, or strengthening layers) during the initial installation phase. This allows the building to maintain its simple, easy-to-install characteristics while being pre-prepared with the structural reinforcement needed to support insulation and withstand long-term use, effectively bridging the gap between short-term design and long-term durability.
Data Source
AI summary
An insulation system for portable buildings preferably includes a plurality of support struts, a plurality of cross tube clamps and a ceiling sheet. The support strut is preferably a tube having a length, which is substantially equal to a distance between two adjacent rafters. Three support struts are attached to bottom support tubes of two adjacent rafters with two cross tube clamps. The three support struts may also be attached to vertical support tubes of two adjacent rafters with two in-line cross tube clamps. Opposing edges of the ceiling sheet are attached to the bottom support tubes or the vertical support tubes of the two adjacent rafters with at least two sheet clamps. An insulation retention member is placed adjacent a top of the ceiling sheet to prevent insulation from sliding down the ceiling sheet. Two adjacent insulation retention members may be secured to each other with a joining device.