Vertical Lawn Layer Structure for Wall Moisture Protection
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Solution Overview
Problem
Vertical gardens face issues with moisture seepage causing wall rotting and staining, and excess water affecting supported surfaces.
Innovation Solution
A vertical lawn system comprising an artificial substrate with a water-proofing layer, drainage sheet, geotextile sheet, hydrophilic rock mineral wool layer, and lawn mat, allowing for water drainage and moisture retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If vertical gardens are installed on walls, then aesthetic appeal is improved, but moisture seepage causes wall rotting and staining
Solution Approach 1:
A waterproofing membrane is introduced as an intermediary layer between the vertical garden and the wall. This membrane prevents moisture from the garden substrate from penetrating into the wall structure, thereby eliminating the harmful effect of wall rotting and staining while preserving the aesthetic benefit of the vertical garden
Solution Approach 2:
The harmful moisture component is extracted and isolated from the wall structure through the waterproofing membrane. The membrane selectively allows the garden to remain in contact with the wall for aesthetic purposes while extracting and preventing the transmission of harmful moisture to the wall
2Ease of manufacture
If vertical gardens are installed on walls, then aesthetic appeal is improved, but excess water stains and dirties surrounding areas
Solution Approach 1:
A drainage layer with channels is introduced as an intermediary system between the substrate and the external environment. This drainage layer captures excess water before it can escape and stain surrounding areas, while allowing the vertical garden to maintain its aesthetic appearance
Solution Approach 2:
The excess water that would otherwise be a harmful staining agent is converted into a beneficial drainage flow. The drainage layer channels the water away in a controlled manner, transforming the potential harm into a managed water flow that does not damage surrounding areas
3Shape
If discrete bags or planters are used, then vertical garden structure is achieved, but separate frames are required increasing complexity
Solution Approach 1:
The waterproofing membrane and drainage layer are merged into a single integrated continuous sheet structure. This eliminates the need for separate frames and discrete components, reducing overall system complexity while maintaining the vertical garden structure
Solution Approach 2:
The continuous sheet structure serves multiple functions simultaneously: it provides the structural support for the vertical garden, acts as a waterproofing barrier, and incorporates drainage channels. This multi-functionality eliminates the need for separate specialized components, reducing device complexity
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 prevents wall damage, enhances aesthetic appeal, reduces urban heat island effect, improves air quality, and increases thermal efficiency by absorbing heat and releasing oxygen.
Implementation Method 1
a rock mineral wool layer (110) secured to the geotextile sheet (106), the rock mineral wool layer (110) configured to absorb and retain moisture therein
Implementation Method 2
a drainage sheet (105) provided on the water-proofing layer (138), the drainage sheet (105) having a plurality of projections (107) configured thereon to facilitate flow of water between the projections (107)
Data Source
AI summary
The present disclosure relates to vertical gardens. The present disclosure envisages a vertical lawn. The vertical lawn includes an artificial substrate, a water-proofing layer applied on the substrate, and a drainage sheet provided on the water-proofing layer. The drainage sheet has a plurality of projections configured thereon to facilitate flow of water therebetween. A geotextile sheet is fitted on an operative front surface of the drainage sheet. A hydrophilic rock mineral wool layer is secured to the operative front surface of the geotextile sheet. The rock mineral wool layer configured to absorb and retain moisture therein. A lawn mat secured to the rock mineral wool layer.