Product Data Sheet Show all documents

SikaRoof® Drainage Layer 40 UK

PERFORATED 40mm DRAINAGE BOARD

SikaRoof® Drainage Layer 40 UK is a water-retention and drainage sheet for use with green roofs.  The studded HDPE sheets contains perforations to drain surplus water and high capacity dimples (height c.40mm) for water retention.

  • Provides drainage and water storage
  • Butted together and can be overlapped to interlock
  • Resistant to chemicals
  • Resistant to root penetrations
  • Low weight
  • Lightweight super structure with high drainage capacity
Product Data Sheet Show all documents

Usage

Suitable for use on:-
  • Extensive & Intensive Green Roof Systems
  • Podium Roof Systems
  • Inverted Roof Systems
 

Advantages

  • Provides drainage and water storage
  • Butted together and can be overlapped to interlock
  • Resistant to chemicals
  • Resistant to root penetrations
  • Low weight
  • Lightweight super structure with high drainage capacity

Packaging

1 x 2m Board

Colour

Black/Grey

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Tested in accordance with DIN 4095 (Drainage)

Tested in accordance with EN ISO 25619-2 (Compressive strength)

Tested in accordance with EN ISO 11925-2 (Flammability)
Product Information

Chemical Base

100% Recycled High Density Polyethylene

Shelf Life

Product does not expire if correctly stored

Storage Conditions

All materials to be stored in accordance with good health and safety practice and in accordance with local laws.

Height

40mm

Weight

4.6kg
Technical Information

Compression resistance

144 kN/m² (with 8.4% compression) - Unfilled

280 kN/m² (with 10% compression and 20mm overfilling) - Filled

Water Absorption

Water Reservoir (Unfilled)

8.7 Litre/m²

Filling Volume

16 Litre/m²

Application

Application steps

APPLICATION

Installation works should be carried out by suitably trained contractors in strict accordance with the project specification. SikaRoof® Drainage Layer 40 UK is loose laid and can be butted together or overlapped to interlock. 

 

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