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FLASHBAND 100mmx10m

FLASHBAND

Self-adhesive flashing tape 100mm(width)x10m(length)

Bostik Flashband Self Adhesive Flashing Tape for Roofs is a flexible bitumen strip that bonds instantly to most building materials to provide a permanent, watertight seal.

KEY FEATURES

  • Instant watertight seal
  • Quick and easy application
  • For new build or emergency repairs

Flashband is easily applied using just hand pressure and a seam roller and is ideal for new build, maintenance and repair projects, including:

ROOFING

– Replace damaged lead flashing

– Seal upstands and eve pieces

– Roof capping

– Edge flashing on roofing felt

– Repair roofing felt or joints on flat roofs

DRAINAGE

– Seal or repair valley gutters, guttering and down pipes

Flashband has four layers of protection, meaning it’s both tear and impact resistant and can withstand extreme temperatures of up to 100oC.

FOUR LAYERS OF PROTECTION

– Lacquer coating

– Heavy duty aluminium foil

– Tear resistant polyester membrane

– Polymer enhanced bitumen adhesive

13.75 Inc. Vat 19%

Product Description

USES

  • Bostik Flashband Self Adhesive Flashing Tape for Roofs is a
    self-adhesive sealing bitumen strip which bonds instantly
    to provide a permanent watertight seal in all climates.
    Bostik Flashband Self Adhesive Flashing Tape for Roofs is
    easily applied using hand pressure and a seam roller, with
    no requirement for special equipment for cutting, forming
    or fixing.
  • Bonds to most building materials including brick, masonry,
    slates, concrete roof tiles, wood, metal, concrete,
    terracotta tiles, glass, roofing felt, and rigid plastics.
  • Applications include a large variety of original construction
    and maintenance situations including repairing lead
    flashing, sealing valley gutters, mending leaks in drain pipes
    and guttering, greenhouse repairs, protecting glazing bars,
    protecting insulation for pipes and tanks, repairing roofing
    felt joints on flat roofs.

PRODUCT CHARACTERISTICS

  • Colour: Grey Finish
  • Form: Resin modified bituminous mastic in roll form. Adhesive surface is protected by a removable release backing.
  • Composition Resin modified bituminous mass
  • Weight 1.6kg per square metre

Storage/Shelf Life: Store for up to 24 months from date of manufacture when stored in original, unopened packaging under cool, dry conditions within the
temperature range of +5°C to +25°C and out of direct sunlight.

TYPICAL PERFORMANCE DATA (Approx.)

  • Application Temperature: +5°C to +30°C. NB in cold weather (below +15°C) application may be easier by warming the surfaces and storing Bostik Flashband Self
    Adhesive Flashing Tape for Roofs in a warm place prior to use.
  • TemperatureResistance: -10°C to +100°C
  • Life Expectancy: Special grey lacquer finish, at least 15 years.

DIRECTIONS FOR USE

IMPORTANT: Before using Bostik Flashband Self Adhesive Flashing Tape for Roofs refer to the relevant Health & Safety Data Sheet, available at www.bostik.co.uk.

PREPARATION

1. Surfaces must be sound, clean, dry and free from dust, grease, and loose materials.

2. Gaps, deep hollows and depressions greater than 3mm should be filled with an appropriate filler.

3. Porous surfaces should be lightly dampened with water before application. Non-porous surfaces should be dry or only very slightly damp.

4. For improved adhesion on porous, rough, dusty surfaces, apply Bostik Flashband Primer Emulsion or Bostik Flashband Primer SV.

5. Apply Bostik Flashband Primer (or SV), according to the relevant data sheets. Allow to dry, but protect from rain or frost.

6. Do not leave the Bostik Flashband Primer for more than 24 hours and therefore only coat an area sufficient for covering within the working day.

7. Surfaces such as mineralised felt or textured brick may require two coats; apply the second coat when the first coat has dried.

APPLICATION

8. Cut Bostik Flashband Self Adhesive Flashing Tape for Roofs to required length.

9. Remove approximately 50mm of release backing paper and carefully position the sealing strip.

10. To avoid creasing when applying Bostik Flashband Self Adhesive Flashing Tape for Roofs, hold the release backing paper firmly and remove it steadily from the
sealing strip as the product is applied.

11. Smooth gently into position using hand pressure, only. Avoid excessive pressure.

12. Using a seam roller or a piece of rounded wood, smooth the tape to ensure good overall contact and expel any air, especially on overlaps and at edges.

13. When laying adjacent rolls, Bostik Flashband Self Adhesive Flashing Tape for Roofs should be overlapped by a minimum of 25mm for a watertight seal.

14. Bostik Flashband Self Adhesive Flashing Tape for Roofs can be over-painted with conventional decorative paints, though a little staining of the latter may occur
at the edges of the strip.

15. Fully bonded Bostik Flashband Self Adhesive Flashing Tape for Roofs will not accommodate appreciable joint movement.

16. For small movements apply a strip of release backing,50mm narrower than the Bostik Flashband Self Adhesive Flashing Tape for Roofs, along the joint prior
to the application of the Bostik Flashband Self Adhesive Flashing Tape for Roofs.

17. For larger movement, polyethylene foam can be laid proud of the joint, so enabling the web of supported Bostik Flashband Self Adhesive Flashing Tape for Roofs
to accept the movement.

18. Whilst Bostik Flashband Self Adhesive Flashing Tape for Roofs will not damage plastic sheets it is important to bear in mind the high thermal movement of these
materials.

19. If long lengths of plastic are to be sealed use, 500mm lengths overlapped by 25mm to reduce the effect of the movement.

PRECAUTIONS IN USE

Bostik Flashband Self Adhesive Flashing Tape for Roofs may become brittle if enclosed in a cementitious mix. Contact between the foil and acidic or alkaline materials must also be avoided. Avoid using Bostik Flashband Self Adhesive Flashing Tape for Roofs where it will come into regular contact with solvents and oils. Bostik Flashband Self Adhesive Flashing Tape for Roofs is bituminous and must not come into contact with silicone sealants, flexible PVC or vinyl. In cold weather, application will be made easier by warming the surfaces and storing Bostik Flashband Self Adhesive Flashing Tape for Roofs in a warm place prior to use. Do not apply if the surface temperature is below +5°C. Fully bonded Bostik Flashband Self Adhesive Flashing Tape for Roofs will not accommodate appreciable joint
movement. As with most covering materials supplied in roll form, some batch-to-batch variation in colour of the Bostik Flashband Self Adhesive Flashing Tape for Roofs finish can occur. If aesthetic appearance is important, users are advised to check that all rolls are of the same colour or batch number. Always gently warm surfaces so that they are not too hot to touch. Do not warm the foil side of Bostik Flashband Self Adhesive Flashing Tape for Roofs. Do not overheat or melt the bitumen. Bostik Flashband Self Adhesive Flashing Tape for Roofs is not intended to withstand vehicular traffic. It should not be used in areas where it may be walked upon.

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