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BIWA Biwaflex P130 vapour control layer adhesive blue, 351 g

Description

The Biwaflex P130 is a polyurethane adhesive for the airtight layer. It bonds vapour control and vapour barrier membranes to one another and to adjoining components.

Benefits

  • Permanently airtight, decisive for the function of the insulation
  • Strong adhesion to the common membrane materials
  • Odour-neutral, can also be applied in occupied interiors
  • Building material class B2
  • Coloured blue, the application remains visible and checkable

Areas of application

  • Bonding vapour control layers and vapour barriers in the loft conversion
  • Connecting the membrane to masonry, concrete and wood
  • Overlaps between two membrane strips
  • Creating the airtight layer after insulating

Product details

Vapour control membrane adhesive based on polyurethane, colour blue, fill quantity 351 g, container around 23 x 5 x 5 cm with about 0.45 l external volume. Building material class B2, made in Germany.

The substrate must be dry, dust-free and load-bearing – no airtight bond holds on layers of dust. Apply the bead continuously and lay the membrane in without tension so that it does not later pull out of the bond line.

Technical data

Area of use: Interior
Colour: blue
Material: Polyurethane (PU)
Technical data
Dimensions: 23 x 5 x 5 cm
Contents: 351 g
Product type: Vapour control layer adhesive
Product group: Vapour barrier & vapour control layer tape
Standards
Building material class: B2
Use
Field of use: Indoors
Merchandise group: Tapes & films

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address Birtel KG
Noswendeler Str. 7a
66687 Wadern
Germany

Electronic address info@birtelkg.de
Phone: +49 6871 922440

Information as of: 2026-09-18

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For your project

These products go with it

Project: Airtight loft conversion (vapour control layer)

Lay the vapour control membrane on the room side without gaps, tape all overlaps and connect the membrane airtight to masonry, rafters and penetrations. Leave a relief loop in the membrane at walls.

  1. Apply

  2. Seal & join

  3. Tools & accessories

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