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Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - VAPRETRDR-DB02-L50M-W1,5M-75SM Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - VAPRETRDR-DB02-L50M-W1,5M-75SM Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - VAPRETRDR-DB02-L50M-W1,5M-75SM Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - VAPRETRDR-DB02-L50M-W1,5M-75SM
Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - VAPRETRDR-DB02-L50M-W1,5M-75SM - 1
Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - VAPRETRDR-DB02-L50M-W1,5M-75SM - 2
Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - VAPRETRDR-DB02-L50M-W1,5M-75SM - 3
Vapour retarder WÜTOP<SUP>® </SUP>DB 2 - VAPRETRDR-DB02-L50M-W1,5M-75SM - 4

Vapour retarder WÜTOP® DB 2

WÜTOP DB 2 vapour retarder
VAPRETRDR-DB02-L50M-W1,5M-75SM
WUETOP

Art.-no. 0681000004
EAN 4024835676762
All versions

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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
  • Embedded mesh for durability and tear resistance

  • Prevents heat loss caused by unnecessary airflow

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

  • Wütop DB 2 in combination with water vapour-permeable non-breathable membrane from the Wütop series provides year-round breathability for insulation and frame structure, creating a healthy indoor climate


Our products featuring the EMICODE label are low-emission/low in harmful substances. The EMICODE classification system awards labels to construction products that comply with the very stringent health and environmental requirements of recognised institutes.

DIN EN 13984



EMICODE EC1plus: Very low emissions: The EMICODE classification system distinguishes the environmental and health compatibility of construction products. The lowest-emission products bear the EC1plus mark.

10 Years System Guaranty
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Instructions

Installation instructions for between-rafter insulation


  • Fix Wütop DB 2 to the warm side of the heat insulation using a stapler (hammer tacker or hand-held stapler) and secure with battens

  • The smooth side always faces toward the installer

  • Vertical overlaps must always lie on a rafter

  • Ensure sufficient overlap: Horizontal overlap: at least 10 cm (overlap strip), vertical overlap: approx. 20 cm

  • All overlaps and stapled points must be given an airtight seal using suitable adhesive tape (Eurasol)

  • For airtight attachment to masonry, the membrane is bonded using Wütop film adhesive and secured with a clamping batten, if necessary

  • Take care not to damage the membrane during installation

  • Before the interior cladding is attached (gypsum plasterboard, wood panelling etc.), check again that the vapour retarder has been correctly installed and correct if necessary


Installation instructions for over-rafter insulation


  • Wütop DB 2 is ideal for use as a vapour retarder for over-rafter insulation

  • Installation: Same procedure as for between-rafter insulation

  • Please keep in mind: May be exposed to weather for max. 6 weeks


Installation instructions for renovation of old buildings


  • Sharp objects (e. g. nails) that protrude from the interior cladding into the rafter area must be removed to avoid damaging the vapour retarder

  • Wütop DB 2 is laid over the rafters from the outside with the fleece facing the room interior. Install with the smooth side facing outwards

  • All overlaps and openings must be given an airtight seal using suitable adhesive tape (Eurasol)

  • Recommendation: Secure Wütop DB 2 to the rafters using clamping battens

  • Bond joints at the eaves (eave beams or masonry) using Wütop film adhesive. Additional mechanical fixing with clamping battens is recommended

  • Wütop DB 2 vapour retarder must not be used to renovate interiors in which the humidity is continually over 60%

  • According to DIN 4108 part 3, structures that do not conform to standard construction methods must be verified with a calculation (dew point calculation). Therefore, the use of Wütop DB 2 for renovation work must be agreed upon beforehand by Würth Application Support

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

PP - Polypropylene

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

Pollutants / Emissions

Additive article:
 
Product
Description
Quantity
PU
Price
/PU
Connection adhesive ALL-IN-ONE
Connection adhesive ALL-IN-ONE

CONADH-(ALL-IN-ONE)-310ML

For the permanent sealing of all connection joints to ensure that they are air-tight and windproof and for fitting indoor and outdoor windows and doors.
Adhesive sealing tape EURASOL<SUP>®</SUP> PLUS
Adhesive sealing tape EURASOL® PLUS

ADHSEALTPE-1SIDE-(EURASOL-PLUS)-60MM

EURASOL
Special adhesive tape for corner bonding and edge bonding
x 6 pcs
Hand-held stapler HT 34
Hand-held stapler HT 34

HNDTCK-HT34-(6-14MM)

High-performance manual stapler for staples up to 14 mm long
x 1 pcs
Hammer tacker ST 54
Hammer tacker ST 54

HAMTACK-(STAPLE10-14MM)

Robust professional tacker with ergonomic handle for staples up to 14 mm long
x 1 pcs
WÜTOP<SUP>® </SUP>film adhesive According to DIN 4108-7/SIA 180
WÜTOP® film adhesive According to DIN 4108-7/SIA 180

ADH-ROOFSHT-WUETOP-310ML

Tested system adhesive for permanent sealing of vapour retarders/barriers indoors without a clamping batten
WÜTOP<SUP>® </SUP>film adhesive According to DIN 4108-7/SIA 180
WÜTOP® film adhesive According to DIN 4108-7/SIA 180

ADH-ROOFSHT-WUETOP-600ML

Tested system adhesive for permanent sealing of vapour retarders/barriers indoors without a clamping batten
x 20 pcs
EURASOL<SUP>®</SUP> adhesive sealing tape
EURASOL® adhesive sealing tape

ADHSEALTPE-1SIDE-EURASOL-60MM

EURASOL
Extremely adhesive, versatile adhesive tape for air- and wind-proof bonding of roof underlay membranes, vapour barriers and vapour retarders and for airtight joint adhesion of OSB panels.
Adhesive sealing tape EURASOL<SUP>®</SUP> MAX
Adhesive sealing tape EURASOL® MAX

ADHSEALTPE-(EURASOL-MAX)-60MM

EURASOL
Particularly adhesive, UV- and weather-resistant adhesive tape for airtight and wind-tight bonding of underlay membranes and roof protection films, vapour barriers, vapour retarders and façade membranes.
x 6 pcs
EURASOL<SUP>®</SUP> Thermo HT adhesive sealing tape
EURASOL® Thermo HT adhesive sealing tape

ADHSEALTPE-EURASOL-THERMO-HT-60MM

EURASOL
Adhesive sealing tape with extremely high adhesive force for demanding air- and wind-tight bonding both indoors and outdoors. Strong adhesive film adheres permanently to many substrates, in particular Wütop thermal membranes.
x 10 pcs
Adhesive sealing tape EURASOL<SUP>® </SUP>P
Adhesive sealing tape EURASOL® P

ADHSEALTPE-1SIDE-(EURASOL-P)-60MM

EURASOL
High-quality, paper-based adhesive tape for indoor use for permanent airtight bonding. Protects against moisture and mould growth in the insulation. Ideal for ecologically friendly construction.
x 6 pcs
Adhesive sealing tape EURASOL<SUP>® </SUP>P
Adhesive sealing tape EURASOL® P

ADHSEALTPE-1SIDE-(EURASOL-P)-190MM

EURASOL
High-quality, paper-based adhesive tape for indoor use for permanent airtight bonding. Protects against moisture and mould growth in the insulation. Ideal for ecologically friendly construction.
x 2 pcs
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