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Sarnavap® 2000 E, Vapor Diffusion Control Layer

Sarnavap® 2000 E, Vapor Diffusion Control Layer

Waterproofing
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Packaging Roll 25 m × 4 m
Width 4.00 m (± 1 %) EN 1848-2 mm
Length 25.00 m (± 2 %) EN 1848-2 m
Weight 220 g/m² (± 10 %) EN 1849-2 Kg
Usage Vapour control layer over common substrates
Chemical Base Low Density Polyethylene (PE-LD) foil / High Density Polyethylene (PE-HD) foil
Usage Area -
Color Surface: smooth, PE-LD foil with Sarnavap® printed on it. Colour: green
Storage Conditions Rolls horizontal on smooth surface, away from sun/rain; do not stack
Density -
Consumption -

Vapour control layer

Sarnavap®-2000 E is an unsupported vapour control layer based on PE-LD/PE-HD (Low Density Polyethylene/High Density Polyethylene).

Usage
  • Vapour control layer (VCL) is applied over most common substrates. Substrates should be smooth, dry and strong enough to support foot traffic.
  • Sarnavap®-2000 E vapour control layer is used for flat and nominal pitch roofs.
  • Sarnavap®-2000 E vapour control layer is 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 (82 ft)
Roll width:4.00 m (13.1 ft)
Roll weight:22.00 kg (48.5 lb)
Colour
Surface:smooth, PE-LD foil with Sarnavap® printed on it.
Colour:green
Typical Product Data
APPROVALS / STANDARDS

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

Chemical Base

Low Density Polyethylene (PE-LD) foil / High Density Polyethylene (PE-HD) 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.

Product Declaration

Visible Defects

Pass EN 1850-2

Length

25.00 m (82 ft) (± 2 %) EN 1848-2

Width

4.00 m (13.1 ft) (± 1 %) EN 1848-2

Effective Thickness

0.225 mm (0.0089 in) (± 10 %) EN 1849-2

Straightness

Pass EN 1848-2

Mass per unit area

220 g/m² (± 10 %) EN 1849-2

System Structure

Ancillary, complementary products:
- Sarnavap® Tape F (for sealing overlap airtight)

Compatibility

Not applicable for permanent exposure to UV irradiation.

Resistance to Impact

≤ 100 mm (3.94 in) EN 12691

Tensile Strength

longitudinal ≥ 250 N/50 mm (1.97 in)
transversal ≥ 250 N/50 mm (1.97 in)

Elongation

longitudinal ≥ 600 %
transversal ≥ 600 %

Tear Strength

longitudinal ≥ 160 N
transversal ≥ 160 N

Joint Shear Resistance

≥ 75 N/50 mm (1.97 in) EN 12317-2

Reaction to Fire

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

Artificial Ageing

Pass EN 1296/EN 1931

Water Tightness

Pass EN 1928

Application
Ambient Air Temperature

Ambient temperature: -20 °C (68 °F) min. / +60 °C (+140 °F) max.

Substrate Temperature

Substrate temperature: -30 °C (86 °F) min. / +60 °C (+140 °F) max.

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®-2000 E.

APPLICATION
  1. Unroll the Sarnavap®-2000 E over the structural deck and temporarily weight in position.
  2. Unroll the next roll of Sarnavap®-2000 E positioning so as to ensure a minimum 80 mm (3.15 in) overlap.
  3. Fold back the top sheet of Sarnavap®-2000 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®-2000 E ensuring no wrinkles or creases are formed.
  5. Apply pressure to the top sheet of Sarnavap®-2000 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°.
  7. At perimeters and penetrations seal the Sarnavap®-2000 E by turning up and sealing to a suitable smooth surfaced abutment with Sarnavap® Tape F (jointing tape). For sealing flashing airtight.

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

Installation of some ancillary products, e.g. contact tapes and Primer is limited to temperatures above +5 °C (+41 °F). Please refer to the respective Product Data Sheets. Special measures may be compulsory for installation below +5 °C (+41 °F) ambient temperature due to safety requirements in accordance with national regulations.

Note: Sarnavap®-2000 E is not suitable as temporary or permanent waterproofing. It is not designed as roofing membrane and therefore can not replace the waterproofing membrane.