Alenor Duo-Band double-sided acrylic tape

ALENOR Duo-Band is a clear double-sided acrylic tape for construction and installation work. It bonds two surfaces as soon as they are pressed together – no screws, rivets or waiting for glue to dry. It is mostly used for overlaps of vapour-barrier and diffusion membranes, installing roll materials, ventilation joints and fixing light components to metal, glass or plastic.

The thin (220 µm) transparent acrylic layer is barely visible in the joint while staying resistant to weather and ageing.

Technical data

• Adhesive: acrylic, double-sided
• Thickness: 220 µm (± 10 µm)
• Colour: transparent
• Adhesion to steel: 14 N/25 mm
• Service temperature: −40 °C to +100 °C
• Application temperature: +5 °C to +40 °C
• Shelf life: 12 months
• Size in stock: 40 mm × 25 m (manufacturer also makes 30 and 50 mm widths)

Where to use it

• Membrane overlaps – joining vapour-barrier and diffusion membranes in roofs, walls and ceilings.
• Roll materials – fixing films and membranes to metal, plastic and smooth surfaces.
• Ventilation – sealing joints and fixing components.
• Glass, metal, plastic – mounting light parts and panels where screws are not wanted.

Duo-Band, M-Band or K-2?

Duo-Band is a thin double-sided tape that works between two surfaces, e.g. in a membrane overlap. To cover a seam from above or connect a membrane to rough concrete or brick, the M-Band non-woven acrylic tape is the better choice. For a thick, airtight seal (e.g. roof windows or metal laps), choose the K-2 double-sided butyl tape.

How to apply

1. Surfaces must be clean, dry and degreased.
2. Prime porous or dusty surfaces with Alenor Super-Fix primer first.
3. Apply the tape to the first surface and press it down.
4. Remove the liner, place the second surface or membrane edge and press firmly.
5. Roll over the joint with a pressure roller – acrylic adhesive bonds through pressure.

Frequently asked questions

Does it withstand cold and heat?
Yes, the service temperature is −40 °C to +100 °C. Apply at +5…+40 °C.

Will the joint be visible?
The tape is thin and transparent, so it is barely noticeable on glass and clear films.

Read more: Duo-Band double-sided acrylic tape for façades, windows and insulation and the mounting tapes guide. All tapes in the mounting tapes category.

Delivery and wholesale

We deliver to DPD, Omniva and Venipak parcel lockers across Latvia in 2–3 working days and to Lithuania and Estonia in 2–5 working days (delivery terms). Construction companies and resellers get wholesale prices – email [email protected] or call +371 28348301.