JP2005185104A - Moss vegetation roof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a moss vegetation roof designed so that moss culture medium mats are surely set on a roof surface, setting condition of the moss culture medium mats is stable, and the moss culture medium mats do not stand in the way of rainwater flow flowing down on the roof so as to make the rainwater smoothly flow down on the roof. <P>SOLUTION: This moss vegetation roof has the following structure: a porous support material 2 is attached to the roof so as to cover the whole or a part of the roof surface while keeping a rainwater flow-down space S between the roof surface and the material; and plate-state moss culture medium mats 3 the upper surfaces of which are formed into moss vegetation surfaces 31 are set on the porous support material. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a moss vegetation roof, and more particularly to a greening technique for greening a roof surface of a building with moss.

  As a countermeasure against the heat island phenomenon in an urban area, a technique for greening a roof of a building or the like with moss or the like has been proposed (see Patent Document 1).

  This conventional technique has a holding sheet (nonwoven fabric or cotton) for holding moss and a base material having a space for growing the moss held on the holding sheet (three-dimensionally knitting or weaving synthetic resin pile yarn) When the moss vegetation material is installed on the roof, for example, the moss vegetation material is affixed to an iron plate with an adhesive or tape (patent document) 1 (described in paragraph “0041”).

However, when the moss vegetation material is installed on the roof as in the prior art, it is particularly difficult to apply unevenness to the surface like roof tiles or tin plates, especially if they are attached directly to the roof tiles or tin plates with adhesive or tape. In some cases, the sticking of moss vegetation material tends to be uncertain, and the laying state of moss vegetation material becomes unstable.
In addition, when installing moss vegetation material on the roof, it is necessary to install moss vegetation material while ensuring the flow of rainwater that has fallen on the roof. If it is attached directly with tape, the moss vegetation material prevents the rainwater from flowing down, resulting in problems such as the moss vegetation material being washed away by the pressure of rainwater and falling off the roof. .
Japanese Patent Publication No. 2002-153120

The present invention has been made to solve the above-described problems, and uses a plate-like moss medium mat with rigidity as a moss vegetation material, and attaches a porous support material to the roof surface. By using this porous support material as an attachment member and a support member for the moss medium mat, the moss medium mat is securely attached and the laying state of the moss medium mat is stabilized.
Another object of the present invention is to provide a moss vegetation roof in which the moss medium mat does not block the flow of rainwater flowing down the roof, and the rainwater can flow down the roof smoothly.

In order to solve the above problem, the moss vegetation roof of the present invention (Claim 1)
A porous support material is attached so as to cover the entire or partial surface of the roof surface while holding the rainwater flow space between it and the roof surface, and the upper surface is a moss vegetation surface on this porous support material It was set as the structure to which the moss-like medium mat of the shape was attached.

  In this case, there is an aspect (Claim 2) in which the porous support material is a wire mesh, and the wire mesh is stretched in a tension state.

In the moss vegetation roof according to the present invention, the moss medium mat is formed by molding into a plate shape, so that the moss medium mat itself can have rigidity.
And since the porous support material (wire mesh) is attached to the roof surface, and the moss medium mat is attached and laid on the porous support material, the moss culture mat can be securely attached to the roof surface. The laying state of the medium mat can be stabilized.

Rather than attaching the moss medium mat directly to the roof surface, the porous support material is attached with the rain water flowing space between it and the roof surface. The mat does not block and rain water that falls on the roof can flow smoothly.
Accordingly, the moss vegetation material prevents the rainwater from flowing down, and as a result, the problem that the moss vegetation material is pushed away by the rainwater pressure and falls off the roof can be solved.
In addition, since the flow of rain water flowing down the roof is secured, dust such as earth and sand can be removed from the roof and the moss medium mat by the rain water. Weeds can be prevented from growing.

  The original purpose of the moss vegetation roof of the present invention is to obtain a heat insulation effect by heat absorption by the moss. However, as described above, the rainwater flowing space is maintained between the roof surface and the moss medium mat. Therefore, the heat insulation effect by this flow-down space can also be obtained, and a further roof heat insulation effect can be obtained.

  The moss vegetation roof of the present invention preferably uses a wire mesh as a porous support material in order to reduce the cost and simplify the construction.

1 is a cutaway plan view of a moss vegetation roof, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, and FIG. 3 is a cross-sectional view taken along line BB in FIG.
The moss vegetation roof of the present embodiment is an example for an inclined roof using the tile 1 as a roofing material, and the groove 10 formed by the curvature of the tile 1 has a large number of streaks on the roof surface. And extended in the roof inclination direction.

The porous support material functions as an attachment member and a support member for the moss medium mat 3, and a wire mesh 2 is used. The wire mesh 2 flows between the roof surface and rainwater flowing through the concave grooves 10. It is attached so as to cover the entire surface (or a partial surface) of the roof surface while holding the space S.
The wire mesh 2 as a porous support material is formed in a mesh shape by connecting a number of wire materials which are coated with vinyl or plating in order to suppress the occurrence of rust and are refracted in a zigzag shape. The side frame members 20, 20, the lower frame member 21, and the upper frame member 22 are stretched in a tension state inside a frame body that is rectangularly framed.
The mesh size of the wire mesh 2 is 50 mm × 50 mm, but the moss medium mat 3 can be stably laid, and rainwater that has passed through the moss medium mat 3 passes through the wire mesh 2 (porous support material). As long as there is no problem in reaching the roof surface.

  In this case, in the embodiment, the left and right side frame members 20, 20 are fixed to the wind break 51 in the loose roof as shown in FIG. 2, and the lower frame member 21 is fixed to the eaves of the roof as shown in FIG. 3. Although not shown, the upper frame member 22 and the wire mesh 2 are fixed to the base plate 53, the piers 54, and the rafters 55 with wires passing through the gaps between the roof tiles 1 and 1. The wire mesh 2 is attached so as to cover the entire surface of the roof.

  The wire mesh 2 is stretched so that the tile 1 (roof material) can be pressed from above, so that the wire mesh 2 (porous support material) simply functions as a support member for the moss medium mat 3. It is made to function also as a peeling prevention member of tile 1 (roof material).

The moss medium mat 3 is formed into a plate shape (in the embodiment, a rectangular plate shape) by accumulating a large number of fibers and yarns linked to an indeterminate form so as to give rigidity to the moss medium mat. The upper surface is formed on the moss vegetation surface 31.
The moss medium mat 3 is laid in a spread state on the wire mesh 2. In this case, the moss medium mat 3 is hooked on the wire mesh 2 through the wire 35 at several points of the moss medium mat 3. It is made to fix on 2. At this time, the moss medium mats 3 and 3 adjacent to each other may be laid with a slight gap or may be laid without a gap.

Examples of the material for the moss medium mat 3 include loofah fiber, palm fiber, other plant fibers, thermoplastic resin yarn (for example, manufactured by Mosnet Association, trade name: Moss flat), cloth (woven fabric, non-woven fiber) Etc. are used, and these are used alone or in combination to form a plate.
And, by sown and cultivating moss plants on this moss medium mat 3 using a sheet for raising seedlings or the like, the top surface of the moss medium mat 3 is formed on the moss vegetation surface 31. At this time, the moss medium mat 3 is provided with water permeability and appropriate water retention so as to ensure moisture necessary for growth of the moss plant.
The moss vegetation surface 31 can also be formed by fixing the grown moss on the upper surface of the moss medium mat 3. ,

Regarding the greening of the roof, it is required to prevent weeds from growing on the roof and to prevent the rain gutter from clogging with earth and sand.
Therefore, the present invention focuses on moss that has no roots and can grow without the need for soil, as a roof planting plant.

Also, in this embodiment, as shown in the figure, the moss medium mat 3 laid is covered with a net 4 so that even when the moss medium mat 3 is detached due to strong winds or the like, It is possible to prevent the moss medium mat 3 from falling off the roof.
In addition, the structure which covers the top of the moss medium mat 3 with the net 4 is not always necessary.

  In addition, the structure of the moss vegetation roof of the present invention can be applied to folded plate roofs, slate roofs, tin roofs, metal roofs, etc. in addition to the tile roofs shown in the examples. In short, a porous support material is attached. Sometimes, the present invention can be applied to a roof in which a rainwater flow space is maintained between the roof surface.

In addition, as a porous support material, not only a metal mesh, a plastic mesh, an assembly metal mesh, a welded wire mesh, a plastic net, a punching panel, an expanded panel, a porous panel, and the like can be used. In short, what is necessary is just to attach it so that the rainwater flow space may be maintained between the roof surface and the entire or partial surface of the roof surface may be covered.
Further, when the roof surface is covered with the porous support material, the roof surface may be covered with a single porous support material, or the roof surface may be covered with a combination of a plurality of porous support materials. Good.

Also, the material of the moss medium mat is not limited, and it may be formed into a plate shape so as to have rigidity, and its upper surface may be formed on the moss vegetation surface.
In order to improve the water retention of the moss medium mat, for example, a water retention aggregate or the like can be incorporated into the moss medium mat.
In this case, it is desirable to arrange fiber layers on the upper and lower sides and sandwich water retaining aggregates between them so that the water retaining aggregates do not flow out.
As water-retaining aggregates, porous aggregates such as pumice (produced by Oe Chemical Co., Ltd.), zeolite, diatomaceous earth, etc. can be used in the form of particles or hardened into a plate or the like with cement or adhesive. .
In addition, as for the moss to be vegetated on the moss vegetation surface, moss in general, such as snago, high moss and sphagnum can be used.

  In addition, for effective growth of moss, it is necessary to keep the moss medium mat to have appropriate moisture. As a means for that purpose, for example, a sprinkler or other watering device is installed on the roof, and it is regularly Water can be sprayed onto the moss medium mat as needed or necessary.

Further, in the moss vegetation roof of the present invention, it is desirable to provide a management passage that allows an operator to walk instead of covering the entire roof surface with a moss medium mat.
In this case, for example, by attaching adjacent porous support materials on the roof surface with a gap for walking, a management passage is formed on the roof surface, or adjacent moss medium mats are It is possible to form a management passage on the porous support material by attaching it on the porous support material with an interval for walking.

It is a notch top view which shows the moss vegetation roof of an Example. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG.

Explanation of symbols

1 tile 10 concave groove 2 wire mesh (porous support material)
20 Side frame material 21 Lower frame material 22 Upper frame material 3 Moss medium mat 31 Moss vegetation surface 35 Wire 4 Net body 51 Windbreak 52 Nasal cover 53 Field plate 54 Plinth 55 Rafter S Flow space

Claims (2)

  A porous support material is attached so as to cover the entire or partial surface of the roof surface while holding the rainwater flow space between it and the roof surface, and the upper surface is a moss vegetation surface on this porous support material A moss vegetation roof with a mossy medium mat attached. The moss vegetation roof according to claim 1, wherein the porous support material is a wire mesh, and the wire mesh is stretched in a tension state.

Images