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Butyl tape with aluminium lamination
Self-adhesive butyl rubber assembly and sealing tape with permanently anchored aluminium lamination. Resistant to weathering and bonds to all existing substrates in the construction industry.
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Good resistance to UV, weathering and water
- The butyl tape can also be used outdoors and withstands rain and any other weather influences (not suitable for use under water).
- Non-corrosive
Excellent adhesion to absorbent and non-absorbent substrates
Can be used on all substrates present in the construction sector, e.g. steel, aluminium, glass, plastic, wood, concrete, masonry, bitumen etc.
Butyl tapes are self-fusing
The tape is fully functional immediately after application and complies with all required properties.
Impermeable to vapour diffusion
The butyl tape enables water-tight sealing and prevents moisture from penetrating the building.
No bimetal effect
Compatible with bitumen
Sound insulating
Easy to apply
Odourless
Solvent free and bitumen free
- Screwing in/penetrating the butyl tape must be avoided
- Butyl cannot be secured mechanically!
For covering seals of construction and connection joints in areas of industry and construction, concrete and concrete finished parts construction. Typical applications include sealing dome lights, window frames, slanted-roof glass structures (with press-on profile only), greenhouses, conservatories and other butt joints made from glass, plastic and metal. And sealing roof passages, rain gutter connections or connections between projecting roof and masonry.
The surfaces to be sealed must be dry, capable of bearing load and free from grease and dust. The application temperature should not be below +10°C. Absorbent and porous surfaces must be pre-treated with Würth butyl/bitumen primer (art. no. 0892875).
To obtain good initial adhesion to the surface, the tape should be pressed onto the surface and smoothed using a press-on roller (art. no. 0693011756). Folds and creases should be avoided.
Butyl has a "cold flow" tendency (flow characteristic of the tape). Therefore, the tape should always be fitted with a press-on profile to prevent the seal from slipping as a result of, for example, the weight of snow or backed-up water. However, using excessive contact pressure on the profile will cause the sealing compound to be "pushed out". Also, never compress the butyl tape to the zero point (use the supplied disc as a spacer)!
The adhesive surface of the sealing tape must be at least 1/3 (per contact surface) of the tape width when gluing over joints. Overhead adhesion tasks are not permitted without additional mechanical fixings. When sealing glass retainer profiles, the rubber profile must not lie on the sealing tape. The width of the butyl tape must be selected such that the tape is located between the rubber profiles.
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