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Tunnel Drainage
High
Flow Drainage & Garden Roof Solutions
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| Tunnel
Drainage is a long lasting separating layer
that controls moisture and heavy ground water
flow. It can be used for tunnels, shotcrete
and green roofs applications, worldwide. |
TUNNEL
DRAINAGE
Shotcrete shell, St. Gotthard Base
Tunnel, Switzerland
Tunnel Drainage used,1.4 million ft² (130,000
m²)
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Heavy Duty High Flow Drainage
Tunnel
Drainage, with it's ¾" (20mm)
dimples, provides permanent protection
for tunnels and other underground structures
that are exposed to heavy groundwater flow.
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Under Slab Drainage |
- Tunnels
and
rock
surfaces
- Gunite
or
Shotcrete
diaphragm
walls
and
shells
- Land
bank
stabilization
- Roof
garden
drainage
- Horticulture
seedlings
- Split
slab
/
remediation
- Mining
shafts
- Soil
and
gravel
stabilization
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Green Roof Drainage |
In sheets or rolls, perforated
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Also available - perforated and in
panels
SPECIFICATIONS |
Dimpled
Sheet |
High
Density Polyethylene (HDPE) |
Compressive
Strength |
3,200
psf (150 kN/m² ) |
Drainage
Capacity |
6,000
l/h/m |
Dimple
Height |
.79" (20mm) |
Membrane
Thickness |
40mil
(1.0mm) |
Optional 1.4mm available
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Product Applications
SUPERSEAL Tunnel Drainage provides maximum
high flow drainage ability for industrial,
commercial, mining and civil applications such
as lagging walls, tunnels, highway construction,
under floor slabs, bank and land stabilization
and underground structures exposed to heavy
groundwater flow. SUPERSEAL Tunnel Drainage
is also available perforated to act as a continuous
reservoir, regulating water accumulation and
preventing heat buildup in garden roof and
turf roof applications.
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Product
Non Perforated & Perforated
SUPERSEAL Tunnel Drainage is made out of
a 40 or optional 50-mil polyethylene membrane
with ¾" (20mm) high dimples,
with approximately 400 dimples per m² to
ensure maximum drainage and pressure equalizing
ventilation under even the most difficult
of conditions.
In Green roof and garden applications, water
can be stored in over 400 reservoirs per
m². Excess water is drained off through
perforations provided in the membrane. Green
house horticultural seedlings can be started
during early growth periods in sheet sizes
that can be ordered to suit.
Tunnel Drainage can be placed dimples facing
up to secure soils or gravel beds in situations
where there is a high level of mud or undesirable
soils. |
Product
Advantages
- Forms a watertight yet flexible barrier
around the surfaces to be protected
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Available in perforated and non perforated
and in sheets or rolls
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The 20mm high cone shaped dimples spaced
at approx. 60mm centers in both directions
ensures a high flow drainage capacity of
up to 36,000 l/h/m
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Provides additional thermal insulation of
the structure
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Is suitable for high value permanent shuttering
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Tough and durable with a high compression
strength of 3200psf (150 kN/m²)
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Resistant to a wide range of chemicals, impervious
to root penetration, rot-proof and unaffected
by soil bacteria, fungi and alkaline environments
It also ensures good root aeration in green
applications
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Environmentally friendly and can be ordered
approved for drinking water applications
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The air gap is able to perform as damp pressure
equalizing, ventilating or drainage
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Can be ordered with a fire rating class of
DIN 4102 B2 or optional B1 class
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Mechanical protection of waterproofing membranes
in tunnels
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Site design by ©2003 - 2008
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