Soil runoff prevention material
GUARD RAIN
New Technology Information System (NETIS) Registration Number：CB-150003-VR
Outline
The GUARD RAIN series prevents soil erosion immediately after construction.
GUARD RAIN is a soil erosion preventive material that can infiltrate the water required for vegetation into the soil while mitigating the impact of raindrops.
Non-woven fabric mainly made of polyester traps a part of rainwater inside and creates a slow-flowing layer on the installation surface.
Since the material does not melt due to rainfall, soil erosion does not occur even if it has heavy rain for a long time.
*Test conditions
Soil type : Volcanic ash,Soil hardness : 10 to 15mm, Gradient：30°(1 : 1.7), Rainfall Approx : 100mm/h
Guard Rain series line-up
Type MT
Enhanced erosion resistance type has a unique surface structure that allows excess rainwater to flow from top to bottom.
Type R
Balanced type has both erosion resistance and greening function
Type SG
Type with base mat for the cut or soft rock surface
Characteristics
- Due to the effect of non-woven fabric, soil erosion can be prevented immediately after installation.
- For those types with the vegetation bag, they are equipped with a high-quality thick-layer vegetation base material, it can be used for soil mixed with gravel and soft rocks with a soil hardness of up to about 35 mm.
- The thickness of the vegetation bag enhances the effect of capturing large seeds.
- Wire mesh specifications (turtle shell / rhombus) can be selected according to the site conditions such as frost heaving and animal damage.
Standard / specification
Specification
GUARD RAIN type MT
| Product No. | GS-MTN | GS-MTK | |
|---|---|---|---|
| Product Standard | Width(m) | 1 or 2 | 1 |
| Length(m) | 25 | 10 | |
| Seed / Fertilizer | |||
| Wire netting [hexagonal wire net] |
○ | ||
| Non-woven fabric | Material | Polyester, Rayon | |
| Base weight(g/m2) | 45 | ||
| Netting | Mesh (Reference value) Vertical x horizontal (mm) |
3×3 | |
GUARD RAIN type R
| Product No. | GS-RN | GS-RS | GS-RK | GS-RSK | |
|---|---|---|---|---|---|
| Product Standard | Width(m) | 1 or 2 | 1 | ||
| Length(m) | 25 | 10 | |||
| Seed / Fertilizer | ○ | ○ | |||
| Wire netting [hexagonal wire net] |
○ | ○ | |||
| Non-woven fabric | Material | Polyester, Rayon | |||
| Base weight(g/m2) | 45 | ||||
| Netting | Mesh (Reference value) Vertical x horizontal (mm) |
20×15 | |||
GUARD RAIN type SG
| Product No. | GS-SG -05S |
GS-SG -05S-KK |
GS-SG -05S-RK |
GS-SG -10S |
GS-SG -10S-KK |
GS-SG -10S-RK |
||
|---|---|---|---|---|---|---|---|---|
| Product Standard | Width(m) | 1 | ||||||
| Length(m) | 10 | |||||||
| Wire netting | hexagonal wire net | ○ | ○ | |||||
| Rhombus wire net | ○ | ○ | ||||||
| Non-woven fabric | Material | Polyester, Rayon | ||||||
| Base weight (g/m2) |
45 | |||||||
| Netting | Mesh (Reference value) Vertical x horizontal (mm) |
20×15 | ||||||
|
Applicable range |
Soil hardness | Less than 27 mm | Less than 30 mm | |||||
| Soft rock | ○ | |||||||
| Vegetation base | Applied 3 cm | |||||||
| Others | Spray borrow soil work | Spray borrow soil work, Site may have frost heaving or damage by animals, Site has unevenness or boulder stones |
Spray borrow soil work, Site may have frost heaving or damage by animals, Site where the effect of wire mesh is expected for a long period of time |
Site may have frost heaving or damage by animals, Site has unevenness or boulder stones |
Site may have frost heaving or damage by animals, Site has unevenness or boulder stones Site where the effect of wire mesh is expected for a long period of time |
|||
| Product No. | GS-GB -20S |
GS-SG -20S-KK |
GS-SG -20S-RK |
GS-SG -30S |
GS-SG -30S-KK |
GS-SG -30S-RK |
||
|---|---|---|---|---|---|---|---|---|
| Product Standard | Width(m) | 1 | ||||||
| Length(m) | 5 | |||||||
| Wire netting | hexagonal wire net | ○ | ○ | |||||
| Rhombus wire net | ○ | ○ | ||||||
| Non-woven fabric | Material | Polyester, Rayon | ||||||
| Base weight (g/m2) |
45 | |||||||
| Applicable range | Soil hardness | 30 mm or more | ||||||
| Soft rock | ○（with soil） | ○（without soil） | ○（with soil） | |||||
| Vegetation base | Applied 5 cm | Applied 5 cm | ||||||
| Others | Site has unevenness or boulder stones, Site where the effect of wire mesh is expected for a long period of time. |
Site may have frost heaving or damage by animals, Site has unevenness or boulder stones, Site where the effect of wire mesh is expected for a long period of time. |
Site has unevenness or boulder stones, Site where the effect of wire mesh is expected for a long period of time. |
Site may have frost heaving or damage by animals, Site has unevenness or boulder stones, Site where the effect of wire mesh is expected for a long period of time. |
||||
- * Some standards of the product may be changed due to quality improvement.
