GB2449111A - Biodegradable Modular Green Roof System - Google Patents
Biodegradable Modular Green Roof System Download PDFInfo
- Publication number
- GB2449111A GB2449111A GB0709055A GB0709055A GB2449111A GB 2449111 A GB2449111 A GB 2449111A GB 0709055 A GB0709055 A GB 0709055A GB 0709055 A GB0709055 A GB 0709055A GB 2449111 A GB2449111 A GB 2449111A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tray
- green roof
- modular
- roof
- biodegradable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000010276 construction Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000003415 peat Substances 0.000 abstract description 4
- 239000004743 Polypropylene Substances 0.000 abstract description 2
- -1 polypropylene Polymers 0.000 abstract description 2
- 229920001155 polypropylene Polymers 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract 2
- 241000196324 Embryophyta Species 0.000 abstract 1
- 235000015097 nutrients Nutrition 0.000 abstract 1
- 239000011368 organic material Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/033—Flat containers for turf, lawn or the like, e.g. for covering roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cultivation Of Plants (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention relates to a system which enables the construction of an extensive green roof for buildings using a modular tray system which is biodegradable. The tray module 3 preferably forms the carrier unit for a moisture retention reservoir 2 which supports either a planted or pre-seeded growing media 1. The tray 3 may be moulded using reinforced coir or peat, manufactured in various depths, and designed to break down once the planted material has established providing nutrients and organic material to the planting medium. The moisture retention reservoir is preferably a moulded polypropylene tray that helps provide additional moisture around the root zone and facilitates the drainage of excess water away from the plant roots. The tray system is designed specifically to fit standing seam roofing systems 4 but could be used as a new or retrofit system for flat or pitched roof applications.
Description
BIODEGRADABLE MODULAR GREEN ROOF SYSTEM
This invention relates to a system which enables the construction of a green roof for buildings using a modular tray system which is biodegradable.
BACKGROUND OF THE INVENTION
1. In the current market place green roof systems are predominantly carried out as bespoke installations that assemble the major components on site.
2. These systems constitute the various layers which go to make up the components of a planted system on a roof deck, being waterproofing, drainage, substrate or growing media and plants. These systems require a much more intensive installation programme and as a consequence are currently too expensive for all but the most prestigious schemes.
3. There are currently a number of systems proposed to introduce modular green roof construction. These schemes invariably use plastic or polymer trays to provide either a pre-grown or pre-seeded green roof module that can be installed as a series of tiles on a suitable roof surface. The disadvantage of such a system is that once established the trays remain in place. The trays also create a problem during dismantling of the roof especially if they are not manufactured from recycled or recyclable material.
STATEMENT OF INVENTION
This invention proposes a modular system for an extensive green roof that uses a biodegradable material for the growing tray. This system aims to be more environmentally friendly by using moulded peat or coir fibre trays as a temporary carrier tray for the modular green roof system. The tray would have a life span of around 8-12 weeks allowing adequate time for the green roof to establish. Once established, the break down of the tray provides organic content which further contributes to the long term establishment of the plant material, leaving no visible evidence of the carrier modules of the green roof system.
This modular green roof system includes a drainage and water retention system that remains for the lifespan of the green roof in order to retain moisture within the root zone whilst allowing excess rainwater to drain away. This layer would be manufactured from recycled plastics or polymers.
The green roof modules can either be grown offsite and shipped to site fully planted or as growing media pre-seeded with the desired mix of plants.
This system would be manufactured in modules that are tailor made to fit standing seam roofing modules as illustrated in figure 1. The modules are designed to be butt jointed and this design would not preclude the system from being laid on conventional flat or pitched roofs above an existing waterproofing layer. -The biodegradable nature of the green roof module means that there is less waste generated in the manufacture and in the disposal of green roof components and the cold manufacture process means that the green roof components have a lower embodied energy making then inherently more sustainable.
INTRODUCTION TO DRAWINGS
An example of the invention will now be described by referring to the accompanying drawings: -Figure 1 shows an exploded isometric view of the modular green roof system in relation to a standing seam roof system.
-Figure 2 shows a cut away isometric view of the green roof module as assembled for delivery to an installation site.
A moulded reinforced coir or peat tray 3 acts as the carrier tray for the green roof system.
This material eventually breaks down contributing to the organic matter available to the plants. The moulded coir or peat tray could be manufactured in various depths to accommodate different planting types A moulded polypropylene tray 2 helps to provide additional moisture around the root zone of plants and also facilitates the drainage of excess water away from the root zone making the system ideal for either pitched or flat roofs. The soil depth I can vary in accordance with the planting regime, although this system is intended for extensive planting only and so the soil depth will generally range from 75 -150mm in depth. Plants could be planted conventionally in the growing media and grown off site in the trays, or grown as a mat which is cut to fit the green roof module, or the modules shipped as pre-seeded or pre-germinated trays. The system is designed to fit within the space module of a standing seam roof 4 although its application is not restricted to this type of roof.
Claims (4)
1. A system which enables the construction of a green roof for buildings using a modular tray system which is biodegradable.
2. A modular green roof system according to claim 1 which is manufactured in order to be compatible with standing seam roofing systems or as a retrofit solution to flat roof or pitched roof installations.
3. A modular green roof system according to claim 2 which has an integrated water retention reservoir that is retained as a permanent component of the green roof system once established.
4. A modular green roof system according to claim 2 which allows modular units manufactured and assembled offsite to be connected in order to create a single green roof installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0709055A GB2449111A (en) | 2007-05-10 | 2007-05-10 | Biodegradable Modular Green Roof System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0709055A GB2449111A (en) | 2007-05-10 | 2007-05-10 | Biodegradable Modular Green Roof System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0709055D0 GB0709055D0 (en) | 2007-06-20 |
| GB2449111A true GB2449111A (en) | 2008-11-12 |
Family
ID=38219218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0709055A Withdrawn GB2449111A (en) | 2007-05-10 | 2007-05-10 | Biodegradable Modular Green Roof System |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2449111A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10248380A (en) * | 1997-03-11 | 1998-09-22 | Mecs:Kk | Vegetation panel |
| FR2793383A1 (en) * | 1999-05-12 | 2000-11-17 | Soprema | Vegetation tray for building roofs has tray with perforated base and soil in-fill containing seeds or plants |
| JP2002017170A (en) * | 2000-07-11 | 2002-01-22 | Tokai Kasei Corp | Planting container for culturing mat and greening method |
| JP2002291329A (en) * | 2001-03-30 | 2002-10-08 | Raito Kogyo Co Ltd | Water-retaining block, vegetation base and greening method |
-
2007
- 2007-05-10 GB GB0709055A patent/GB2449111A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10248380A (en) * | 1997-03-11 | 1998-09-22 | Mecs:Kk | Vegetation panel |
| FR2793383A1 (en) * | 1999-05-12 | 2000-11-17 | Soprema | Vegetation tray for building roofs has tray with perforated base and soil in-fill containing seeds or plants |
| JP2002017170A (en) * | 2000-07-11 | 2002-01-22 | Tokai Kasei Corp | Planting container for culturing mat and greening method |
| JP2002291329A (en) * | 2001-03-30 | 2002-10-08 | Raito Kogyo Co Ltd | Water-retaining block, vegetation base and greening method |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0709055D0 (en) | 2007-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |