Vapour retarder WÜTOP® DB 2
WÜTOP DB 2 vapour retarder
VAPRETRDR-DB02-L50M-W1,5M-75SM
WUETOP
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- Durable and tear-resistant thanks to embedded mesh fabric
- Prevents heat loss caused by unnecessary airflow
- Prevents moisture saturation of internal heat insulation and therefore prevents the insulating effect from being impaired
- DB2 2SK with double-sided adhesive strips for permanently airtight/windproof bonding
- 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 with the EMICODE seal are low emission/low pollutant. The classification system for the EMICODE seal distinguishes the environmental and health compatibility of construction products based on the strict emissions 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.
Datasheets(X)
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
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