Natural Fiber Insulation with Moisture-Resistant Sealing Segment

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Solution Overview

Problem

Existing natural fiber soundproofing materials are inadequate in protecting against moisture, leading to reduced effectiveness and potential infestation by mold, bacteria, or algae, and are often difficult and costly to install.

Innovation Solution

A natural fiber insulation system comprising an outer layer of drywall panels and an inner layer with a moisture-resistant sealing segment, such as EPS or XPS, which prevents moisture penetration and maintains structural integrity, combined with natural fiber insulation boards made from materials like hemp or straw.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If natural fiber insulation materials are used for sound insulation, then environmental sustainability is improved, but moisture protection is worsened

Engineering Contradiction:

Improveenvironmental sustainabilityVSAvoidmoisture protection

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent combines natural fiber insulation boards with synthetic moisture-resistant sealing segments (EPS, XPS, mineral wool, glass wool, foam glass, or coconut fiber) to create a composite insulation system. This composite structure maintains the sound insulation and sustainability benefits of natural fibers while adding robust moisture protection through the synthetic sealing segments that form a barrier against moisture penetration.

Inventive Principle:

Principle #40Composite materials

2Reliability

If structural engineering measures are implemented to protect natural fibers from moisture, then moisture protection is improved, but installation complexity and cost are worsened

Engineering Contradiction:

Improvemoisture protectionVSAvoidinstallation complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the insulation function and moisture protection function into a single integrated prefabricated element. The natural fiber insulation board and synthetic sealing segment are combined in one unit that can be installed as a complete assembly, eliminating the need for separate structural engineering measures and reducing installation complexity while maintaining effective moisture protection.

Inventive Principle:

Principle #5Merging (Combining)

3Object-generated harmful factors

If natural fiber insulation materials are used, then sound insulation is provided, but effectiveness is lost when moisture penetrates

Engineering Contradiction:

Improvesound insulationVSAvoidsound insulation effectiveness

Core Design Contradiction:

Object-generated harmful factorsVSReliability

Solution Approach 1:

The synthetic sealing segment acts as an intermediary barrier between the moisture environment and the natural fiber insulation board. This intermediate layer prevents moisture from reaching the natural fibers, thereby preserving their sound insulation effectiveness while allowing the natural fibers to maintain their acoustic properties.

Inventive Principle:

Principle #24Intermediary (Mediator)

4Adaptability or versatility

If natural fiber insulation is used, then renewable material is utilized, but infestation risk from mold, bacteria, or algae increases

Engineering Contradiction:

Improverenewable material usageVSAvoidinfestation risk

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent creates a composite structure where synthetic moisture-resistant sealing segments are combined with natural fiber insulation boards. This composite design maintains the renewable material benefit of natural fibers while the synthetic sealing segments form a protective barrier that prevents moisture penetration, thereby eliminating the conditions that would promote mold, bacteria, or algae infestation.

Inventive Principle:

Principle #40Composite materials

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 system provides improved soundproofing while ensuring effective protection against moisture, is easier to install, and maintains insulation effectiveness, reducing the risk of infestation and installation costs.

Implementation Method 1

If moisture penetrates, the soundproofing can lose its effectiveness, for example, due to capillary action

Methodology Applied

Scientific EffectCapillary action: Capillary Action

Implementation Method 2

natural fiber insulation for damping sound waves

Methodology Applied

Scientific EffectAcoustic absorption: Acoustic Absorption

Data Source

PatentEP3543414B1Natural fibre insulation, building part with the natural fibre insulation and use of the natural fibre insulation

Publication Date: 2023.05.03 DAW SE

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AI summary

The invention relates to a natural fiber insulation (1) comprising an outer layer (2) and an inner layer (7) opposite the outer layer (2), with at least one natural fiber insulation board (3) and at least one sealing segment (4), wherein the outer layer (2) is connected to the natural fiber insulation board (3) and to the sealing segment (4), wherein the natural fiber insulation board (3) comprises a first insulation material with at least one natural fiber, and wherein the sealing segment (4) comprises a second insulation material which is moisture-resistant. The invention further relates to a building component, a method, and a use incorporating said natural fiber insulation.