Product Data Sheet Show all documents
SikaShield® Overflow CR

SikaShield® Overflow CR

Prefabricated emergency roof overflow for bituminous roof systems

The SikaShield® Overflow CR is prefabricated rigid PA6/PVC rainwater overflow used with bituminous roofing membranes. 

  • Resistant to UV exposure
  • Product is delivered with integrated welding flange
  • Product is delivered including round protection grid
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Product Data Sheet Show all documents

Usage

The SikaShield® Overflow CR may only be used by experienced professionals.
  • Rainwater overflow through the parapet for use with bituminous roofing membranes
 

Advantages

  • Resistant to UV exposure
  • Product is delivered with integrated welding flange
  • Product is delivered including round protection grid

Packaging

Packed in transparent plastic bag.

Colour

Colour

light grey / black

Product Details

Product Information

Chemical Base

Drain/overflow body and protection grid: Rigid PVC/PA6

Welding tab: Polymer modified bitumen (SBS)

Shelf Life

5 years from date of production

Storage Conditions

The product must be stored in original, unopened and undamaged packaging in dry conditions at temperatures between +5 °C and +30 °C.
Always refer to packaging.

Dimensions

Spigot outside Ø

Spigot nominal

Spigot length

75 mm

DN 70

600 mm

110 mm

DN 100

600 mm

125 mm

DN 125

600 mm

 
System information

System Structure

The following products must be considered for use depending on roof design:

  • SikaShield® bituminous roofing membranes

Compatibility

With all SikaShield® bituminous roofing membranes
Technical Information

Flow rate

In accordance to the depth of water

35 mm

45 mm

50 mm

55 mm

60 mm

0.6 L/s

0.90 L/s

1.0 L/s

1.2 L/s

1.41 L/s

0.9 L/s

1.25 L/s

1.5 L/s

1.7 L/s

2.0 L/s

0.7 L/s

1.1 L/s

1.3 L/s

1.5 L/s

1.95 L/s

Application

Application Information

Ambient Air Temperature

-20 °C min. / +60 °C max.

Substrate Temperature

-30 °C min. / +60 °C max.
Application steps

APPLICATION

Strictly follow installation procedures as defined in method statements, application manuals and working instructions which must always be adjusted to the actual site conditions.

Refer to installation instructions: SikaShield® roof waterproofing membranes. SikaShield® Overflow CR must be fastened securely to the roof parapet. The fasteners must be suitable to hold the product in position.

 

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