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Vapour retarder WÜTOP® DB 2
Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - 1
Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - 2
Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - 3
Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - 4

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Vapour retarder WÜTOP® DB 2

Vapour-permeable, moisture-regulating, airtight and easy-to-install vapour retarder for interior renovations and attic conversions. To be used in conjunction with vapour-permeable underlay membranes and roof protection films

  • Design: 3-ply
  • Coating weight per m²: 116 g
  • Length of roll: 50 m
  • Roll width: 1.5 m
  • Area: 75 m²
  • Number of rolls per pallet: 46 PCS
  • Material: Polypropylene - PP / polyamide - PA
  • Min./max. temperature resistance: -40 to 80 °C
  • Building material class/conditions: E - Normally inflammable / in accordance with DIN EN 13501-1
  • Air layer thickness equivalent to water-vapour diffusion/conditions: 2.52 m / in accordance with EN 1931
  • Resistance to penetration of water: W1
  • Resistance to tear propagation (longitudinal): 220 N
  • Resistance to tear propagation (transverse): 200 N
  • Longitudinal tensile force per 50 mm: 347 N
  • Transverse tensile force per 50 mm: 321 N
  • Colour: White
  • Width: 1.5 m
  • Sustainability: Low-pollution

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You can refine your search by selecting different attributes

Art.-no. Design Coating weight per m² Length of roll Roll width Quantity PU
3-ply 116 g 50 m 1.5 m
75 m2

Packaging unit

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Structure of our article number

The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:

Information on price display

Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

Price with price key representation (PSL):
The price always applies to a quantity ruled through the price key:
Price for 1 unit
Price for 100 units
Price for 1000 units


The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.
In contrast to sales packaging and secondary packaging, the disposal costs for chemical-technical products are shown separately. The breakdown of the individual costs can be found on the relevant products and also in the shopping cart, as well as in our General Terms and Conditions (GTC).
Art.-no. Cust. Mat. No.

Hazardous Material

Product information

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Technical information

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  • Durable and tear-resistant thanks to embedded mesh fabric

  • Prevents heat loss caused by unnecessary airflow

  • Prevents moisture penetration of internal heat insulation and, therefore, the impairment of the insulating effect

  • DB2 2SK with adhesive strips on both sides for permanent airtight/windproof bonding

  • Wütop DB 2 in combination with vapour-permeable roof protection film from the Wütop series provides year-round breathability for insulation and frame structure and creates a healthy indoor climate