Product Data Sheet Show all documents
Sarnavap®-1000 E

Sarnavap®-1000 E

Vapour control layer

Sarnavap®-1000 E is an unsupported vapour control layer based on PE-LD (Low Density Polyethylene).

  • Ease and speed of installation.
  • Stays flexible at low temperatures.
  • Long life-span.
  • Non-decaying.
  • Constant vapour diffusion resistance.
  • High water vapour resistance makes it suitable in combination with all membranes.
  • Wide application range, in regard to use in different system applications and/or in combination with different structural deck types, substrates.
  • Recyclable.
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Product Data Sheet Show all documents

Usage

  • Vapour control layer (VCL) is applied over most common substrates. Substrates should be smooth, dry and strong enough to support foot traffic.
  • Sarnavap®-1000 E vapour control layer is used for flat and nominal pitch roofs.
  • Not suitable for temporary waterproofing.
 

Advantages

  • Ease and speed of installation.
  • Stays flexible at low temperatures.
  • Long life-span.
  • Non-decaying.
  • Constant vapour diffusion resistance.
  • High water vapour resistance makes it suitable in combination with all membranes.
  • Wide application range, in regard to use in different system applications and/or in combination with different structural deck types, substrates.
  • Recyclable.

Packaging

Packing unit:see price list
Roll length:25.00 m
Roll width:5.00 m
Roll weight:24.375 kg

Colour

Surface:smooth, PE-LD foil with Sarnavap® printed on it.
Colour:light blue

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

  • CE marking according EN 13984.
  • Reaction to fire according to EN 13 501-1.
  • Quality management system EN ISO 9001/14001.
Product Information

Product Declaration

EN 13984

Chemical Base

Low density polyethylene (PE-LD) foil.

Shelf Life

The product does not expire during correct storage.

Storage Conditions

Store rolls in horizontal position on a smooth surface and protected from direct sunlight, rain and snow. Do not stack pallets of rolls during transport or storage.

Visible Defects

Pass

EN 1850-2

Length

25.00 m (± 2 %)

EN 1848-2

Width

5.00 m (± 1 %)

EN 1848-2

Effective Thickness

0.20 mm  (± 20 %)

EN 1849-2

Straightness

Pass

EN 1848-2

Mass per unit area

195 g/m²  (± 15 %)

EN 1849-2

 

 
System information

System Structure

Ancillary, complementary products:

  • Sarnavap® Tape F (for sealing overlap airtight)

Compatibility

Not applicable for permanent exposure to UV irradiation.

Technical Information

Resistance to Impact

≤  100 mm

EN 12691

Tensile Strength

longitudinal 

≥  170 N/50 mm

transversal 

≥  170 N/50 mm

Elongation

longitudinal 

≥  500 %

transversal 

≥  500 %

Tear Strength

longitudinal 

≥  120 N

transversal 

≥  100 N

Joint Shear Resistance

≥   60 N/50 mm

EN 12317-2

Water Tightness

Pass

EN 1928

Artificial Ageing

Pass

EN 1296/EN 1931

 

Reaction to Fire

Class E

EN ISO 11925-2: 2002, classification to EN 13501-1

Application

Application Information

Ambient Air Temperature

Ambient temperature: -20 °C min. / +60 °C max.

Substrate Temperature

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

SUBSTRATE QUALITY

Substrates should be smooth, dry and strong enough to support foot traffic.

SUBSTRATE PREPARATION

If the substrate surfaces is rough (e.g. raw concrete or sloped topping), install a levelling layer beneath Sarnavap®-1000 E.

APPLICATION

  1. Unroll the Sarnavap®-1000 E over the structural deck and temporarily weight in position.
  2. Unroll the next roll of Sarnavap®-1000 E positioning so as to ensure a minimum 80 mm overlap.
  3. Fold back the top sheet of Sarnavap®-1000 E and apply Sarnavap® Tape F (jointing tape) to the bottom sheet.
  4. Peel off release tape and carefully fold back the top sheet of Sarnavap®-1000 E ensuring no wrinkles or creases are formed.
  5. Apply pressure to the top sheet of Sarnavap®-1000 E with a welding roller ensuring good adhesion to the Sarnavap® Tape F. On metal decks the lap should be fully supported in order to apply the correct bonding pressure.
  6. At transverse joints an airtight bond is achieved by trimming the edge of the upper sheet at 45°.

Installation works shall be performed only by Registered Sika Sarnafil Roofing Contractors.

Installation of some ancillary products, e.g. contact tapes and Primer is limited to temperatures above +5 °C. Please refer to the respective Product Data Sheets.
Special measures may be compulsory for installation below +5 °C ambient temperature due to safety requirements in accordance with national regulations.

Note:
Sarnavap®-1000 E is not suitable as temporary or permanent waterproofing. It is not designed as roofing membrane and therefore can not replace the waterproofing membrane.

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