DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions.
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 1 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 2 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 3 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 1 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 2 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 3 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 4 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 1 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 2 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 3 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 4 of 0
DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions. - Image 5 of 0

DELTA®-MS-20: (6 Rolls -2580sqft)

Dörken Systems Inc.
0 Reviews
Application:
  • Underground Vertical
  • Underground Horizontal
  • Tunnel Ceiling & Wall Application
  • Tunnel Bottom Application
Product Code: DLMS20SKID
UPC Code: 8-07595-60037-6
Usually Ships in 2 to 3 Business Days
With its 20 mm studs and very high drainage capacity, DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunnelling and other double shell horizontal or vertical constructions.
Underground Horizontal Applications:
Material:
In constructions of underground buildings such as parking garages, DELTA®-MS 20 is installed horizontally between the foundation slab and the concrete floor to drain off water influx caused by an elevated groundwater level.
Its high drainage capacity enables DELTA®-MS 20 to meet all requirements for occurring water problems in constructions of underground buildings.
Application:
In constructions of underground buildings such as parking garages, DELTA®-MS 20 is installed horizontally between the foundation slab and the concrete floor to drain off water influx caused by an elevated groundwater level.
Underground Vertical Applications:
Material Properties:
DELTA®-MS 20 can be economically applied on vertical surfaces as a high capacity drainage layer between a shotcrete layer (diaphragm wall) and the structural concrete wall. The shotcrete of the diaphragm wall acts like a filter and keeps the seepage layer free from ground soil particles.
With its 20 mm studs and very high drainage capacity, DELTA®-MS 20 is ideally suited as a reliable high performance seepage and drainage layer in blind-side applications against shotcreted surfaces.
Application:
DELTA®-MS 20 can be used between shotcrete installations or diaphragm walls and cast-in-place concrete walls. The shotcrete or the diaphragm wall acts like a filter and keeps the seepage layer free from ground soil particles.

This procedure allows to:
  • deliberately deflect and drain away water during the construction phase so as not to obstruct the process of setting and curing of the concrete.
  • drain away water to eliminated build-up of hydrostatic pressure on completed structures.
  • bring the groundwater level around the building to a common low level and maintain a low hydrostatic load against waterproofing layers subjected to water pressure.
Tunnel Ceiling & Wall Application:
Material Properties:
With its 20 mm dimples and very high drainage capacity, DELTA®-MS 20 is especially reliable for high performance seepage and drainage layers in tunneling and other double shell horizontal or vertical constructions.
Application:
When laid vertically, the water emerging from the rocky substratum is drained away through a DELTA®-MS 20 seepage layer. Build-up of hydrostatic pressure is prevented.
Product name
DELTA®-MS 20
Colorchocolate brown
MaterialRecycled high-density polyethylene, encapsulated between two layers of special virgin HDPE
Dimple heightapprox. 3/4" (20 mm)ASTM D6364-06
Compressive strengthapprx. 4,270 psf (200 kN/m²)ASTM D6364-06
Fire resistanceB2
B1 available upon request
Flow rate / unit width @ Hydr. grad. 1.0; 100 kPa41.8 gal/min/ft (528 l/min/m)ASTM D4716-08
Flow rate / unit width @ Hydr. grad. 0.1; 100 kPa11.2 gal/min/ft (139 l/min/m)ASTM D4716-08
Flow rate / unit width @ Hydr. grad. 0.02; 100 kPa5.0 gal/min/ft (62.2 l/min/m)ASTM D4716-08
Air-gap volume between dimplesapprox. 14 l/m²
Water Penetration Resistance> 120 psi (815 kPa)AATCC 127-1995
Watertight
Water Vapor Transmission< 22 ng/(Pa s m²)ASTM E96, Meth. A
Vapor permeance< 0.3 perms [grains/h/ft²/in Hg]ASTM E96, Meth. A
Temperature range-22°F to +176°F (-30°C to +80°C)
Chemical propertiesExcellent chemical resistance, resistant to root-penetration, rot-proof
Toxicitynon-toxic, non-polluting
Roll length65' 7" (20 m)
Roll width6' 6" (2 m)
Service life expectancy> 25 years (at pH between 4 and 9, and temperature below 25°C). Do not expose to UV light for longer than 30 days.

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