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Self-Adhesive Products
Delta MS20P

Delta MS20P

Dimpled drainage system

Delta MS20P is a perforated dimple sheeting with high drainage capacity for horizontal use on roof slabs, under floor slabs and for roof landscaping. The porosity makes the dimpled sheeting pervious over the whole area providing uniform drainage of water.

 

Delta MS20P zoom

 

Fields of application

Delta MS20P dimple sheeting protects the structural parts of buildings which could come into contact with soil and earth. The dimpled sheets are perfect for preventing the build up of water due to hydrostatic pressure.

  • Extensive or intensive rooftop gardens
  • Under floor slabs

Features

  • Pressure-resistant and durable
  • High drainage capacity for garden roofs
  • Fast and economical installation
  • 7 ℓ/m2 water retention capacity
  • Long life expectancy
  • Root resistant
  • Harmless to drinking water

Delta MS8 diagram


Installation

  • The sealed surface must be thoroughly cleaned, so that after installation of the drainage layer no damage can occur to the waterproofing. The waterproofing must be root resistant or protected by a root barrier. A protective separating layer is laid on the waterproofing.
  • The dimple sheeting is simply rolled out on the underlayer. Dimples facing the surface and cups facing up. The sheeting can be cut with a blade.
  • To extend a sheet, lay two rows of dimples together.
  • Install the sheets step by step

 

(further information available on the data sheet)

 

Technical Data

Physical Properties Norm
Flammability Normal, class B2 as per DIN 4102
Material High Density Polyethylene
Dimple Height approx. 20 mm
Compressive Strength 200 kN/m2
Drainage Capacity 10 ℓ/s • m
Water Retention Capacity 7 ℓ/m2
Drainage Rate
Through Perforations
1,23 ℓ/m2 • s
Volume of Air
Between Dimples
14 ℓ/m2
Temperature Resistance -30°C to +80°C
Roll Dimensions 2 x 20 m
Chemical Properties Resistant to chemicals and degradation in soil, safe for drinking water.
CE Conformability CE-tested as per DIN EN 13252

Specifications are subject to change without notification. Results shown are typical but reflect test procedures used. Actual field performance will depend on installation methods and site conditions.

Drainage Lengths

Because of its disproportionately high drainage capacity,
Delta MS20P is suitable for great drainage lengths and, by the same token, for roofs with an unusually low gradient.

Possilbe Drainage Lengths
Gradient Drainage Capacity Max drainage lengths
1% 0,86 ℓ/sm 40 m
2% 1,2 ℓ/sm 55 m
3% 1,5 ℓ/sm 70 m

Download Drainage Data Sheet


           
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