Product Data Sheet Show all documents

SikaRoof® Rigid Drainage Layer 20 UK

20mm DRAINAGE BOARD WITH FLEECE

SikaRoof® Rigid Drainage Layer 20 UK is a rigid drainage board manufactured from HDPE.  Combined function as a water retention, drainage and filtration layer.  Rigid sheet with integrated Polypropylene filter layer.  Studded HDPE sheets contains perforations to drain surplus water and high capacity dimples for water retention.

  • Functions in all green roof and podium roof systems
  • Provides drainage, water storage and filtration
  • Resistant to root penetration and to chemicals
  • Butted together with geo-textile filter fleece overlapping abutments
Product Data Sheet Show all documents

Usage

  • Green Roof Systems
  • Podium Roof Systems
  • Inverted Roof Systems
 

Advantages

  • Functions in all green roof and podium roof systems
  • Provides drainage, water storage and filtration
  • Resistant to root penetration and to chemicals
  • Butted together with geo-textile filter fleece overlapping abutments

Packaging

0.97 x 50m Roll

Colour

Black

Product Details

Product Information

Chemical Base

HDPE

Polymer - Cuspate

PP

Polymer - Textile

Shelf Life

Unlimited shelf life when stored as per instructions

Storage Conditions

The product must be stored properly in original, unopened and undamaged sealed packaging in dry conditions.

Diameter

Perforations diameter

10mm

Perforations per m²49/m²

Height

Height to centre of high capacity dimples 20mm

Thickness

21mm @ 2kPa

EN ISO 9836-1

Unit weight

60kg

 
Technical Information

Resistance to Static Puncture

2.6 kN

EN ISO 12236

Compression resistance

115 kPa

EN ISO 25619-2

Tensile Strength

17kN/m

EN ISO 10319

Water permeability

100 Litre per (m².s)

EN ISO 11058

Water Absorption

4.0 L/m²

Opening size

80μm

EN ISO 12956

Water flow capacity

Water flow capacity in the plane (rigid/rigid)

i=1

i=0.5

i=0.1

@ 20 kPa

10.0 L/m².s

8.0 L/m².s

5.0 L/m².s

@ 100 kPa

9.0 L/m².s

6.0 L/m².s

3.5 L/m².s

@ 200 kPa

5.0 L/m².s

2.0 L/m².s1.0 L/m².s

Application

Application steps

APPLICATION

Installation works should be carried out by suitably trained contractors in strice accordance with the project specification.

SikaRoof® Rigid Drainage Layer 20 UK is loose laid onto the roof surface prior to the installation of the specified susbtrate, ensuring incorporated geo-textile filter fleece overlaps at absutments

 

Documents