Invisible Structures Sustainable building and site development Green buiiding and sustainable design
Portable ADA Boardwalk System Drainage/Conveyance Layer Grass Porous/Permeable/Pervious Paver Gravel Porous/Permeable/Pervious Paving Subsurface Stormwater Storage Permanent Erosion Control
Design Detail/Technical Specifications Greenbuilding LEED Points Total Stormwater Management Sales and Support Frequently Asked Questions Project Profiles/Case Studies About Invisible Structure Inc.

Size: 5 roll sizes,
see chart below
Color: black, snap fit
Weight: 2.0 kg/m2 (.42 lbs/sf)
Strength: 400 kg/cm2 (5,720 psi) when filled with sand

Size: 5 roll sizes,
see chart below
Color:
Black, Grey, Terra Cotta, Tan
Weight: 2.15 kg/m2 (.47 lbs/sf) with polyester non-woven filter fabric
Strength: 400 kg/cm2 (5,720 psi) when filled with sand

Size: 5 roll sizes,
see chart below
Color: Black, snap fit, crossbars every third row of connecting rings
Weight: 2.15 kg/m2 (.47 lbs/sf) with open weave polypropylene netting
Strength: 400 kg/cm2 (5,720 psi) when filled with sand

Size: 5 roll sizes,
see chart below
Color: Black,, snap fit
Weight: 2.0 kg/m2 (.42 lbs/sf), laid over 30 mil PVC impervious liner, covered by polyester non-woven filter fabric, both sold separately
Strength: 146 kg/cm2 (2,100 psi)

Size: 1 meter (40") x 1 meter (40") x 0.1 meter (4") to 2.5 meters (94") high modules
Color: Black
Weight: 140 lbs/cu meter
Strength: Exceeds H-20 loading
Optimal Shipping Heights
(view chart): The follwing depths are are available to avoid additional shipping costs - in meters (0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.2, and 2.4), in feet (0.3, 0.7, 1.0, 1.3, 2.0, 2.6, 4.0, and 7.9).

Size: Unit size 40 cm x 40 cm x 1.9 cm (16" x 16" x .75") 6 roll sizes, see chart or puchase individual tiles. Units are fastened together with long lasting metal fasteners.
Color:
Colorado Sky Blue, Tan (Cashew Brown), Gray, Custom colors available at addtional cost.
Weight: .38 kg (.83 lbs) LDPE w/UV inhibitor, recycled resin when available.
Standard Product Roll Sizes For GP2, GV2, ST2, and DC2.
Does not include Beachrings2 or Rainstore3
 
Width
Length
Diameter
Area
Approx. Weight
Model
m
ft
m
ft
m
ft
m2
ft2
kg
lbs
1010
1
3.3
10
32.8
0.5
1.7
10
108
22
48
1020
1
3.3
20
65.6
0.8
2.7
20
215
44
96
1520
1.5
4.9
20
65.6
0.8
2.7
30
323
65
144
2020
2
6.6
20
65.6
0.8
2.7
40
430
87
192
2520
2.5
8.2
20
65.6
0.8
2.7
50
538
109
240
All rolls can be installed manually (2 people advised). Rolls apply to Grasspave2, Gravelpave2, Draincore2, and Slopetame2. Custom roll sizes available by request.