Corrugated Decking Sound Insulation Layer

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Corrugated metal decking in construction lacks effective sound insulation, leading to poor sound transmitting characteristics that fail to meet sound control standards in residential and commercial buildings.

Innovation Solution

A corrugated decking flooring system incorporating a sound insulation layer with a voluminous core and backing layer, designed to conform to the corrugated metal deck, which includes fused entangled filaments and a polymer matrix to enhance sound damping and structural support, thereby improving sound transmission class (STC) and impact insulation class (IIC) ratings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If corrugated metal decking is used instead of plywood or OSB, then strength and mold/fire resistance are improved, but sound transmitting characteristics deteriorate

Engineering Contradiction:

Improvedecking strengthVSAvoidsound transmission

Core Design Contradiction:

StrengthVSObject-affected harmful factors

Solution Approach 1:

A sound insulation layer is introduced as an intermediary component between the corrugated metal decking and the finished floor. This layer acts as a mediator that blocks sound transmission while allowing the metal deck to maintain its structural advantages. The insulation layer conforms to the corrugated profile and provides acoustic damping without compromising the strength benefits of metal decking.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The flooring system uses composite construction combining corrugated metal decking with sound insulation materials and underlayment layers. This composite approach allows the system to simultaneously achieve structural strength from the metal deck, sound insulation from the insulation layer, and finished floor coverage from the underlayment and flooring materials.

Inventive Principle:

Principle #40Composite materials

2Object-affected harmful factors

If a sound insulation layer is added to corrugated metal decking, then sound transmitting characteristics are improved, but device complexity increases

Engineering Contradiction:

Improvesound transmissionVSAvoidflooring system complexity

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The sound insulation layer is designed as a flexible material that conforms to the corrugated metal deck profile without requiring additional structural support. This flexible design simplifies installation and reduces overall system complexity while maintaining effective sound insulation. The thin film nature of the insulation layer allows it to adapt to the existing deck geometry without adding significant complexity.

Inventive Principle:

Principle #30Flexible shells and thin films

3Object-affected harmful factors

If the sound insulation layer conforms to flutes and troughs, then sound damping is improved, but manufacturing precision requirements increase

Engineering Contradiction:

Improvesound dampingVSAvoidinsulation layer conformity

Core Design Contradiction:

Object-affected harmful factorsVSManufacturing precision

Solution Approach 1:

The sound insulation layer uses materials with appropriate viscoelastic properties and damping characteristics that enable effective sound absorption. By selecting materials with specific physical parameters (viscoelasticity, density, thickness), the system achieves good sound damping while allowing for standard manufacturing tolerances. The material properties themselves accommodate minor variations in conformity without requiring extremely tight manufacturing precision.

Inventive Principle:

Principle #35Parameter changes

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 solution significantly increases the STC and IIC ratings by more than 20 points, ensuring compliance with building codes and effectively reducing sound transmission in buildings, where the system would otherwise fail without the sound insulation layer.

Implementation Method 1

A sound insulation layer may be provided. In some embodiments, the sound insulation layer generally conforms to both the flutes and the troughs of the corrugated metal deck

Methodology Applied

Scientific EffectSound absorption: Acoustic Absorption

Implementation Method 2

A sound insulation layer with a voluminous core and backing layer, designed to conform to the corrugated metal deck, which includes fused entangled filaments and a polymer matrix to enhance sound damping and structural support

Methodology Applied

Scientific EffectViscoelastic damping: Viscoelasticity

Data Source

PatentUS7861488B2Corrugated decking flooring system

Publication Date: 2011.01.04 MAXXON CORP

AI summary

The invention includes a corrugated decking flooring system. The corrugated decking flooring system can include a corrugated deck having at least two flutes and a trough between the flutes. A sound insulation layer generally conformal with both the flutes and the troughs of the corrugated deck can be provided. An underlayment layer can be provided over the sound insulation layer.