D
e
p
t
h |
Soil |
30mm
(1-3/16") |
30mm
(1-3/16") |
30mm
(1-3/16") |
100mm
(3-15/16") |
150mm
(5-7/8") |
200mm
(7-7/8") |
300mm
(11-13/16") |
400mm
(15-3/4") |
|
Mulch |
20mm
(3/4") |
20mm
(3/4") |
20mm
(3/4") |
20mm
(3/4") |
<40mm
(<1-9/16") |
<40mm
(<1-9/16") |
<40mm
(<1-9/16") |
<40mm
(<1-9/16") |
System
Specification ID |
G-SKY-T |
B.I.P. 2" Hi-Wind (G-SKY-N) |
B.I.P. 2" (G-SKY-L) |
B.I.P. 4" (G-SKY-L
100) |
GR-S Systems |
P
l
a
n
t
O
p
t
i
o
n
s |
G-SKY Sedum Plants (*1) |
Excellent |
Excellent |
Excellent |
Good |
Good |
Good |
Good |
Good |
|
G-SKY Grand Plants (*2) |
Not Suitable |
Livingstone Daisy &
Matted Saxifrage |
Excellent |
Excellent |
Excellent |
Excellent |
Excellent |
|
Sky Garden Grand Plants (*3) |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Excellent |
Excellent |
Excellent |
Excellent |
|
Lawn |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Excellent |
Excellent |
Excellent |
Excellent |
Low Trees
& Shrubs (*4)
(<0.9m, 36") |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Excellent |
Excellent |
Excellent |
Medium Trees (*5)
(1~3m, 3'~10') |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Excellent |
Excellent |
Tall Trees
(*6)
(3~4m, 10'~13') |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Not Suitable |
Excellent |
Green Roof's
Primary Purpose |
Environmental Consideration, Energy Savings, Improved View |
Environmental Consideration, Energy Savings, View Improvement, Accessible Amenity
Garden, Flower Beds, Vegetable Garden, etc. |
|
Irrigation Requirements |
All areas larger than 300m² (3,229ft²) should have an automated irrigation system
installed. |
An automated irrigation is always required.
(watering can be performed by hand for small areas, i.e. flower beds, etc) |
|
Sloped Roofs Allowances |
1/100 ~
3/10 |
1/100 ~
3/10 |
1/100 ~
1/12 |
1/100 ~
1/12 |
1/100 ~
1/12 |
1/100 ~ 1/12
(slopes of up to 3/10 when additional soil support) |
1/100 ~
1/12
|
1/100 ~
1/12 |
|
Maintenance |
Grade
1 |
Grade
1 |
Grade
1 |
Grade
2 ~ 3 |
Grade
3 ~ 4 |
Grade
3 ~ 4 |
Grade
3 ~ 4 |
Grade
3 ~ 4 |
W
e
i
g
h
t
kg
/
m² |
Roof
Soil |
Sys-
tem |
Soil 24
Mulch 20
System 9 |
Soil 24
Mulch 20
System 5 |
Soil 24
Mulch 20
System 4 |
Soil 80
Mulch 20
System 4 |
Soil 120
System 8 |
Soil 160
System 8 |
Soil 240
System 8 |
Soil 320
System 8 |
|
Total |
53
(10.9lb/ft²) |
49
(10lb/ft²) |
48
(9.8lb/ft²) |
104
(21.3lb/ft²) |
128
(26.2lb/ft²) |
168
(34.4lb/ft²) |
248
(50.8lb/ft²) |
328
(67.2lb/ft²) |
|
Natural Soil (*8) |
- |
- |
- |
- |
- |
360
(73.8lb/ft²) |
540
(110.6lb/ft²) |
720
(147.5lb/ft²) |
Accessible
Roof Garden |
Bed of Sedum Plants |
Bed of Sedum Plants |
Bed of Sedum Plants |
Bed of Sedum Plants & Grand Plants |
Lawn, with complete Flower Beds & Shrubs |
Lawn, with complete Flower Beds, Shrubs & Low-Trees |
Lawn, with complete Flower Beds, Shrubs & Low to Mid Trees
|
Lawn, with complete Flower Beds, Shrubs & Low to Tall Trees
|
|
Vegetable Garden |
Not Suitable |
Not Suitable |
Not Suitable |
Few Vine Vegetables (Peas, etc.) |
Few Vine Vegetables (Peas, etc.) |
Vine Vegetables (Tomatoes, Cucumbers, etc.) |
Vine Vegetables (Tomatoes, Cucumbers, etc.) |
Root Vegetables (Potatoes, Onions, etc.) |
|
Accessible Lawn |
Not Suitable |
Not Suitable |
Possible with GR Irrigation Techline CV |
Suitable |
Excellent |
Excellent |
Excellent |
Excellent |
|
Environmental Benefit |
High |
High |
High |
High |
Mid |
Mid |
Mid |
Mid |
|
Cost |
Mid |
Low |
Low |
Mid |
Mid ~ High |
Mid ~ High |
High |
High |
|
Maintenance |
Low |
Low |
Low |
Mid ~ High |
High |
High |
High ~ Very High |
Very High |
|
|
|
|
|
|
|
|
|
|
M
e
m
b
r
a
n
e
s |
Inverted Assembly |
Possible
(Insulation must be adhered) |
Possible
(Insulation must be adhered) |
Possible |
Possible |
Possible |
Possible |
Possible |
Possible |
|
Root Barrier |
Root
Guard™ E |
Root
Guard™ E |
Root
Guard™ E |
Root
Guard™ E |
Root Guard™
C or H
(GR Film optional) |
Root Guard™
C or H
(GR Film optional) |
Root Guard™ C or H
(GR Film optional) |
Root Guard™ C or H
(GR Film optional) |
Suitable
Membranes |
2-ply SBS Asphalt
Fully adhered
PVC or TPO Fully Adhered
FRP Liquid Applied |
2-ply SBS Asphalt
Fully adhered
PVC or TPO Fully Adhered
FRP Liquid Applied |
2-ply SBS Asphalt
Fully adhered
PVC or TPO Fully Adhered
FRP Liquid Applied |
2-ply SBS Asphalt
Fully adhered
PVC or TPO Fully Adhered
FRP Liquid Applied |
Multi-ply
(Modified)
Asphalt
Fully adhered
FRP Liquid Applied |
Multi-ply
(Modified)
Asphalt
Fully adhered
FRP Liquid Applied |
Multi-ply
(Modified)
Asphalt
Fully adhered
FRP Liquid Applied |
Multi-ply
(Modified)
Asphalt
Fully adhered
FRP Liquid Applied |
Membranes
that
should be
avoided |
Single-ply
Thermoset
SPF |
Single-ply
Thermoset
SPF |
Single-ply
Thermoset
SPF |
Single-ply
Thermoset
SPF |
Single-ply
Thermoset
SPF |
Single-ply
Thermoset
SPF |
Single-ply
Thermoset
SPF |
Single-ply
Thermoset
SPF |
|
|