Expanding Foam Tape (15mm x 5-12mm x 5.6M)

£10.28

Expanding Foam Tape is a polyurethane tape used for creating a weather tight seal in structural and expansion joints. The product will resist the passage of wind-driven rain, snow, run-off water and dust into the interior of the building. Expanding Foam tape can meet certain building regulations.

999 in stock

SKU: EWI-69999 Category:

Description

Expanding foam tape is a BBA approved weather resistant, sealing tape which will protect against the harshest of the elements. Expanding foam tape is quick and easy to apply and can be used as a weather tight seal in structural and expansion joints in walls and around door and window frames. Expanding foam tape is suitable for use on new or existing structures made of: concrete, masonry, metal, PVC-U, Acrylic or Timber.

When installed into a joint, the expanding foam tape will begin to expand and fill up the gap. It will smooth over minor imperfections, gaps and surface irregularities.

Using Expanding Foam Tape:

  • Always read the instructions, take care when installing Expanding Foam Tape in cold temperatures
  • Ensure that the surface and joints are clean and free of residue and debris as this may have an effect on the structural integrity of the seal – for example: dirt, mortar residue or contaminants.
  • To achieve a weathertight seal when using Expanding Foam Tape on masonry, the level-changes in the joints must be as small as possible.
  • Once unwound from the roll, the Expanding Foam Tape will begin to gradually expand. The rate at which the foam will expand is dependent upon the weather and temperature conditions – in colder conditions the foam tape will expand at a slower rate.
  • At lower temperatures, the rate of foam expansion can be accelerated by gentle application of heat from an indirect heat source.
  • Store the Expanding Foam Tape at room temperature, or during warm weather store in a cool place prior to use to slow down rate of expansion.
  •  Ensure that any damaged sections are immediately replaced.
  • Expanding Foam Tape has a durability and service life of at least 20 years.

Applying Expanding Foam Tape:

  • The leader strip is removed from the roll of Expanding Foam Tape and cut straight with a pair of scissors at the end of the tape.
  • Approx 10-20cm of the protective release paper is peeled from the self-adhesive side of the Expanding Foam Tape.
  • Allowing at least a 10mm overlap at the top of the joint, the self-adhesive side of the tape is then positioned 1 to 2mm back from the edge of the joint and pressed against the smoothest face of the joint using a suitable tool (e.g. a trowel). The Expanding Foam Tape can be held in position until it is fully expanded in situations where the surfaces are damp or in vertical applications.
  • When starting at a blind end to the joint, ensure that the Expanding Foam Tape is over-sized in length sufficiently to allow for movement and to ensure that the joint is tight between the end of the tape and the substrate.
  • Continuously peel off the protective release paper as the Expanding Foam Tape, taking care not to over-stretch the tape.
  • When cutting the tape, ensure that 10mm per metre length is left to allow for recovery of any stretching that may have taken place.

Advantages of Expanding Foam Tape:

  • Seals against wind, dust and driving rain
  • Vapour diffusion permeable
  • Strong Adhesive on one side to aid application
  • Compatible with all known standard building materials
  • Application in all building and construction areas are possible
  • Provides thermal and acoustic insulation
  • 10 year performance guarantee
  • Permanently elastic with long term life expectancy
  • Seal joints from 1mm up to 42mm

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