Elastoseal EPDM Geomembrane System

Elastoseal EPDM Geomembrane System
Water containment in gardening, landscaping, aquatic ecosystems,
industry, agriculture, civil engineering and infrastructure
Elastoseal EPDM Geomembranes
- proven watertight performance
2500 m2 Ornamental pond, Stockholm, Sweden.
EPDM rubber membranes stay watertight
for decades, in any water containment
application. EPDM rubber is not affected by
the environment and does not release any
chemicals that can affect fauna, flora or
ecological system.
Elastoseal EPDM Geomembranes do not
affect and are not affected by the environment, and are therefore the ultimate barrier in
all types of water and liquid containment.
The membrane is prefabricated to panels of
any size and shape, from the small garden
ponds to large water landscapes, irrigation
reservoirs, landfill ponds- and cappings and
industrial waste containments.
Elastoseal EPDM can be installed exposed to
weather and atmosphere, or covered by soil
or water. Strength, elasticity and service life
3500 m2 Ornamental pond in Karaj, Iran.
remains untouched by mechanical stress,
settlements temperatures, chemical and
Concern for the environment
biological influence.
EPDM membranes have no negative influence on
nature. Fishes, aquatic or biological life in and around
ponds and reservoirs are not harmed. The membrane is chemically stable and does not contain any
additives or plasticizers that will be emitted or
released during the service life, or when discarded or
recycled.
EPDM liners reclaimed from old installations can be
burned for energy production, placed on landfills or
recycled for use in new EPDM products.
500 m2 Fish farming tanks, Iceland.
50000 m2 Industrial waste deposit, Swedish Steel
AB, Oxelösund , Sweden.
2
SealEco
80000 m2 Waste water reservoir, Comurhex, Norbonne, France.
55000 m2 Irrigation reservoir, Villena Alicante, Spain
SealEco
3
The EPDM polymer
- a superior material for water containment liners
EPDM Membranes can be strained
in all directions at the same time,
and up to 300 % elongation.
EPDM is a superior material for geomem-
Viscoelastic properties
rials will increase upon installation and
branes, as it is unaffacted by water, earth
Rubber membranes have no yield point
service at low temperatures. A rubber mem-
chemicals and microorganisms. The flex-
under elongation whereas thermo­plastic
brane has viscoelastic properties, which
ible rubber will accommodate earth
materials become thinner, and will break at
means that the product can withstand an
movements and settlements and is
a low tensile force. Rubber membranes
almost unlimited loading. At low loads the
EPDM is a synthetic polymer developed
resistant to root penetration and rodents.
elongate to a maximum 300 % and can be
elastic properties are dominating and at
in 1959. Over 40 years EPDM has found
As far back as the late 60´s the first liner
strained in all directions at the same time
high loads the viscose properties dominate.
installations with SealEco liners were
(multiaxial response). Rubber membranes
The material can be deformed to extreme
made. Many are still in service.
are not subject to “stress cracking”, where-
limits and still return to its original size and
as semi crystalline materials will break
shape. The opposite is true for the semi
EPDM is an amorphous elastomer
Elastoseal EPDM Geomembrane is a vul-
even at low stress, at points where the
crystalline thermoplastic materials, where a
ob­tained by the copolymerization of eth-
canised rubber sheet that belongs to the
surface is scratched, contains defects or
concentration of load results in a perma-
product group polyolefines. Strength and
exhibit other weaknesses. Stress cracking
nent deformation or thickness reduction.
elasticity are not affected by high or low
occurs at elongations of 20 - 30 % of the
romulecules with a paraffinic structure.
temperatures and physical properties are
yield point of thermoplastic materials (i.e. at
Because the EPDM remains saturated
practically unchanged over decades of
2 - 4 % elongation.) The risk of stress crack-
after vulcanisation it resists degradation
service, without becoming brittle, cracking
ing on thermoplastic, semi crystalline mate-
Facts on
EPDM Geomembranes
an ever increasing use as construction
material in the automotive industry and
within building and civil engineering.
ylene, propylene and a nonconjugated
diene monomer. EPDM is a polymer
composed of saturated linear mac-
due to oxidation. The rubber compound
also contains reinforcing carbon black,
or shrinking.
fillers, processing aids, antioxidants and
vulcanising ingredients.
During production the EPDM is vulcanised. The long rubber molecules are
Characteristics of Elastoseal EPDM Geomembrane
• Elasticity and strength – irrespective
of temperature the membrane will
perform well under maximum
working load.
• Multidirectional Strain – superior to
earth settlements and movements.
• Puncture resistance with full flexibility
up to maximum tensile strain.
• Lay flat characteristics – adheres
to and provides close contact to
any substrate.
• Unaffected by low temperatures
and fully thermally seamable even
in freezing conditions.
• Optimal surface friction character-
istics – soft textured rubber surface
provides high interface friction.
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SealEco
• Excellent UV and ozone resistance
– superior service life also in
exposed installations.
• Can be easily adhered to substrates
of concrete, wood or metal and can be
anchored with conventional methods.
• High resistance to chemicals – the
membrane provides chemical resist-
ance required in waste water ponds.
• Protrusions and pipes are easily
attached with prefabricated boots
and hot air seaming.
• Large panels prefabricated to specified
sizes according to site drawings.
The result is reduced field seaming
and short installation times.
• Damage is easily repaired, even
after long service life and exposed
installations.
• The Thermobond seaming technique
with hot wedge allows for maximum
installation control and quality.
• Rubber membranes have been used
for over 50 years in lining
applications and have the longest
history of all geomembranes.
• The Thermobond seaming with dual
hot wedge allows for conventional
air channel QC testing on site.
• SealEco has over 30 years of
experience with rubber membranes
in geotechnical applications.
joined together by chemical cross-linking, giving an elastic, chemically stable
product. with negligible ageing­despite
exposure to UV-radiation, atmosphere,
chemicals, water, earth and extremes of
temperature.
EPDM
At -40° C EPDM is unaffected
and flexible, thermoplastic are
stiff, brittle and will crack
At +150° C EPDM is unaffected
thermoplastics become liquids
-40° C
Thermoplastic materials
o%
o%
300%
0%
0%
0%
0%
+150° C
300%
0%
After decades of flexing, EPDM is
unaffected. Themoplastics
become thin and elongated, and
eventually will crack
Elongations
due to settlements and
movements
0%
0%
300%
40%
0%
40%
SealEco
5
Thermobond seaming technique
- the obvious choice
SealEco Geomembrane QAS
- a waterproof quality assurance system
The Thermobond seaming technique
The Elastoseal EPDM Geomembrane is a
provides a fast, easy method for producing
completely engineered system, where
quality thermally welded seams. All site
product, seaming, details, installation
seaming is performed with a thermal hot
technique and site quality assurance
wedge. Details like pipe connections,
guarantees a maximum of safety and per-
penetrations,
formance. The traceability from produc-
overflows and flashings are seamed with
tion to fabrication and finally to installa-
a hot air gun. The combination of an elas-
tion is always guaranteed.
tic, vulcanised rubber membrane, prefabricated boots, engineered details and
Organisation on the work site
reliable, uncomplicated thermal welding in
Installers are always certified by
all types of weather provides a maximum of
SealEco. In every installation crew a
security and a homo­genous, elastic water-
quality manager is authorized.
proofing membrane.
Supply logistics
During production, a thin layer of a ther-
Deliveries to the site are controlled for
moplastic rubber (TPE) is laminated to one
quality by ensuring packing, trans-
side of the membrane resulting in a vulcan-
port, storing of material on site and
ised EPDM membrane which can be heat
control of received goods is fully
seamed. This technique offers the best of
documented.
both worlds: the advantage of elastom-
Seams with air pressure test channels
are produced with dual hot wedges.
The dual wedge provides easy air
pressure testing of seams both immediately after installation and after many
years of service.
ers and the advantage of thermoplastics.
The combination of Elastoseal EPDM and
Thermobond seaming provides the superior service life and performance of EPDM
The SealEco QAS, fully applied, gives
a complete documentation and quality
control over geomebrane production
and installation.
QAS - Q
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QAS - Q
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Phone:
+46 (0)
Post
SealEco
370 481 Address: P.O
.
00, Fax
: +46 (0)Box 514, SE-33
370 485
1 25 Vär
namo,
00, Em
Sw
ail: info
@sealeco eden
.com, ww
w.sealeco
.com
Form Q
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Label
We hereb
y certif
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11 | 7:1
test res
Date: ……
ults
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Quality
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……
May 20
Control of earth works
Phone:
Before the start of a lining installation the
+46 (0)
earth work and surface quality as well as
Post
SealEco
370 481 Address: P.O
.
00, Fax
: +46 (0)Box 514, SE-33
370 485
1 25 Vär
namo,
00, Em
Sw
ail: info
@sealeco eden
.com, ww
w.sealeco
.com
May 20
11 | 7:9
compaction is approved by the installer.
and the thermal seaming performance of
thermoplastic membranes.
The installers quality control records
Non destructive QC seam testing
Include drawings, marking of all panels,
Each dual wedge welded seam is tested
to size
documentation of testing and final report
with air pressure. All details are tested with
The Elastoseal Geomembranes are prefab-
to ensure that all materials can be traced
air lance.
ricated, using thermal welding to form large,
back to manufacture.
The engineered system panels made
Prefabricated pipe boots, flashings and details are seamed
with hot air guns. Quality control testing is provided by means
of high pressure air lance testing.
Repairs and patching
homogenous panels. The size of each
panel is often 500 – 1500 sqm:s. The
Seam
topography of the site, conditions and
Channel
Seam
Trial seam QC testing
All repairs are fully documented and QC
The installer controls seam quality prior to
tested.
each period or shift.
equipment will dictate the size and weight
Cover materials placement
of each panel. Size and shape of each
Engineered technical solutions can be pre-
panel is individual, depending on shape,
fabricated in advance in the fabrication plant,
Destructive QC testing
After completion of the lining installation
depth and size of the pond or water con-
providing ready-made sections, pipe boots
Seam samples are taken each 150-300 ­­­­­m
the placement of cover soils and other
tainment.
and special attachments.
on all field seams. Seam strength is
geosynthetics is closely monitored to pre-
recorded.
vent damage to the membrane.
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SealEco
Testing of multi axial strain according to
ASTM D5617, on Elastoseal membrane and
Thermobond seam.
SealEco
7
Installation
- of the Elastoseal EPDM Geomembrane
Comparison
Prefabricated panels are unrolled, unfolded,
Compared to traditional thermo­plastic
positioned and seamed with automatic hot
Water
EPDM Membrane
Geotextile
Fine graded sand 0.8-2.0 mm
Gas drainage pipe
wedge welding machines, producing double
tracks for air testing. The seaming speed is
approx. 2-3 m/min. With 1000 sqm panels
membranes the Elastoseal EPDM
Geomembrane offers a trouble free,
secure installation process.
a three man crew will install 2-3 panels
• The seam quality and speed is inde-
per day including positioning and quality
pendent of membrane thickness. Unlike
testing.
thermoplastic materials which require surface melt, Elastoseal is heated to effect
a bond. With large variations in thermoReservoir construction.
plastic membrane thickness, the required
energy, and the correct speed of the hot
wedge, can vary substantially from sheet
to sheet when seaming thermoplastics.
Factory made pipe boots and flashing details
with Thermobond hot air seaming technique
is available in all sizes.
• Elastoseal EPDM can be installed and
seamed independent of season, with no
effect on quality or workmanship. Fully
seamable down to - 15º C.
Installation steps
• Elastoseal EPDM has low thermal
expansion/contraction characteristics and
is a flexible product that conforms to the
substrate. Folds or wrinkles in the seaming area due to temperature variations are
not a problem when seaming.
Gas drainage pipes.
1. Excavation work. Slopes should
be restricted to max. 45º. Stones,
roots and debris are removed, and
the surface should be compacted,
and smooth. The bottom surface
shall have a positive slope to provide
gas/water drainage.
2. A geotextile ( 500 - 800 g/sqm) or
a layer of sand, ( 3-5 cm), is applied.
3. The EPDM panel, sized according
to site drawing, is supplied as a roll
on a pallet. Each panel is marked
with panel number, position and
unfolding directions.
• Elastoseal EPDM has a textile surface
finish offering high interface friction
4. The panels are rolled out,
unfolded and positioned. At sizes
over 600 sqm:s a winch or fork lift
is recommended. Normal panel size
is 1000 sqm but sizes up to 3000
sqm:s have been used.
characteristics. Earth material will stay in
place on slopes up to 24-27 degrees.
• Before ballasting a geomembrane, high
winds often are a major problem causing
uplift and damage. Unlike lighter thermoplastic membranes, Elastoseal EPDM lays
flat and adheres to the soil surface preventing uplift.
• Penetrations and attachments to pipes
are no problem with the Thermobond
5. The panels are seamed with a
dual hot wedge producing a seam
with an air channel.
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SealEco
6. Each seam is tested with air
pressure. Results are documented
according to SealEco QAS.
7. The EPDM panels are placed in
anchor trenches and backfilled as
panel placement proceeds. Then the
final beach design is constructed.
seaming technique and hot air guns. Pipe
boots and collars can be made on site or
Membrane trench and pond drain pipes.
factory produced in any size.
SealEco
9
Applications
- of Elastoseal EPDM geomembranes
Landscaping and leisure
Parks and gardens
Golf courses
Zoological park
Cemetery ponds
Wetlands
Sports arenas
Lagoons for artificial snow
Environment
Ground water protection
Biological water purification
Hazardous waste containment
Spill and secondary containment
Landfills
Radon- and lead protection
Green gardens on terraces, decks
Agriculture
Irrigation reservoirs
Irrigation water tanks
Manure ponds
Fish farming
Anaerobic Digestion
Ensilage covers
Irrigation water canals
Floating covers
Infrastructure
Highway turnoff ponds
Ditch linings
Dams and embankments
Water conveyance
Hydroelectric dams
De-icing areas at air fields
Solar energy tanks
Examples
- of installations with SealEco geomembranes
Industry
Portable water tanks
Process water tanks
Storage of sludge, ash, waste
Storage of polluted water
Fire fighting ponds
Floating covers
Cooling water ponds
Mining waste lagoons
Secondary protection
liners
Membrane Specification
- and physical properties
Property
Standard
Unit
Typical
value
Specification
Property
Standard
Typical
value
kPa
%
kN/m
kN/m
2100
100
7,2
3,0
Thickness
mm
0,8; 1,0; 1,2
Density
ASTM D792
g/ml
1,15-1,20
Multiaxial stress
ASTM D5617
Tensile Strength
ASTM D882/ISO 37
Mpa
7,0
Multiaxial strain
ASTM D5617
Elongation at break
ASTM D882/ISO 37
%
450
300
Shear strength
ASTM D6392
Multiaxial stress
ASTM D5617
kPa
1650
1600
Peel strength
ASTM D6392
Multiaxial strain
ASTM D5617
%
150
130
CBR Puncture resistance
EN ISO 12236
N
850
CBR Puncture strain
EN ISO 12236
%
250
Tear resistance
ASTM D1004
N
45
40
Tear resistance
ISO 34
N
50
50
Properties after aging
121 C, 168 hrs
8,2
Unit
ISO 188/ISO 37
Mpa
Min 5,0
ISO 188/ISO 37
%
Min 250
Petrol, hydrocarbons
3
Amines
1
Water absorption
ASTM D471
%
Max 1,0
Mineral oils
3
Esters
1
Cold Bend
ASTM D3786/ISO 812
C°
Min 63
Chlorine
3
Ketones
1
Dimensional stability
ASTM D1204
Ethers
2
Organic acids
1
Hydrostatic Burst
ASTM D751, proc. A
Phenols
2
Soil chemicals
1
Hydrostatic Puncture Resist.
ASTM D5514, proc. B
Inorganic salts
1
Landfill seepage
1
Animals oils
1
Bases
1
Organic salts
1
23
Vegetable oils
1
25 mm sharp rocks
ASTM D5321
2001 AvestaPolarit,
Avesta, Sweden
Liner in industrial landfill
for hydroxide sludge.
7.100 m2
2005 Denys-Persyn Aquafin,
Harelbeke, Belgium
Water purification pond.
2.500 m2
2002 Crematorium,
Uccle, Belgium
Ornamental lake.
1.000 m2
2006-2007 Swedish Steel AB,
Oxelösund, Sweden
8.000+42.000 m2
Industrial waste deposit.
2004 Kungsholmen,
Stockholm, Sweden
Ornamental lake.
1.000 m2
2006-2007 The Kolubara
River Displacement,
Lazarevac, Serbia
Dislocation of a river at
an open pit coal mine.
2004 Renders,
Malle, Belgium
6.000 m2
Biogas tanks and manure pit liner.
2007 Långbro,
Stockholm, Sweden
Renovation of 100 year
old ornamental pond.
2004 Djupdalen Landfill,
Karlstad, Sweden
4.800 m2
Areation pond for leachate water.
2007 de Groothe,
Zwevezele, Belgium
Areation and promotion pond
at truck dealer.
2004 Orlen Co,
Plock, Poland
Fire fighting pond at petrochemicals storage area.
2007 Trotting Raceway,
Vaggeryd, Sweden
Decorative pond at horse
trotting raceway.
98.000 m2
2.500 m2
Chemical resistance
Elongation at break
ASTM D5514, proc. A
8.500 m2
Specification values are for membrane thickness 1,20 mm
Tensile strength
Interface direct shear
2005 Outo Kumpu AB,
Avesta, Sweden
Industrial slurry pond.
Thermobond seam properties
(1=Resistance, 2=Moderately resistant, 3=Not resistant)
Critical Cone Height
2001 Alsterbro Water Purification
Plant, Alsterbro, Sweden
1.700 m2
Reed beds.
0,1
%
0,5
Max 1,0
kPa
500
480
kPa
620
mm
90
600
Sand
Degr.
Lean clay
Degr.
14
Diluted inorganic acids
1
Geotextile
Degr.
23
Alcohols
1
Glacial Till
Degr.
26
Aldehydes
1
7.000 m2
1.300 m2
4.000 m2
Specification values are for membrane thickness 1,20 mm
CE marked according to: EN 13361 Geosynthetic Barriers CE-07, 0402- CPD-470302
10
SealEco
SealEco
11
The Watertight Difference
Our operations are con­ducted according
Unique rubber membranes
to ISO 9001 and ISO 14000. Products
Rubber is elastic, not plastic. Vulcanisation creates a stable cross-lin-
and systems are tested according to
ked polymer structure with unsurpassed dimensional stability, elasticity
applicable standards, supervised by
and long term durability. Our systems involve patented, very competi-
independent laboratories, auth­orities
tive elastomeric materials and splicing techniques.
and certified to local building codes in all
the markets where we are active.
Fully engineered systems
30 years of close co-operation with architects, construction engineers
and roofing contractors have resulted in complete and reliable solutions
comprising rubber membranes, installation methods and compatible
accessories; all backed by efficient technical service.
Focus on the environment
Environmental protection and care comes naturally to a supplier of
products that contribute to the conservation of water, as well as the
protection of goods and property from water leakage and moisture.
Our rubber membranes are chemically stable and contain no problem­
atic additives such as plasticisers, heat- or UV-stabilisers. They do not
release any substances that cause allergies or hazards to the environment. Recycling options are available for membranes reclaimed from
old installations.
SealEco
Office Address: Kävsjövägen 38, SE-331 35
Värnamo, Sweden
Post Address: P.O. Box 514.
SE-331 25 Värnamo, Sweden
Internet: www.sealeco.com
May 2011
Phone: +46 (0) 370 510 100
Fax: +46 (0) 370 510 101
Email: info@sealeco.com