Our main brands website
Main countries
  • Product


Self adhesive alluminium backed Butyl sealing tape.

Product overview

Bostik Dit-Sit is a high quality self adhesive butyl sealing tape backed with a durable, corrosion resistant aluminium foil that creates a watertight, draught proof seal on almost any surface. It has a strong permanent tack allowing it to bond to a wide variety of surfaces. It is ideal for sealing and repairing of metal sheeting, water tanks, down pipes and gutters. Also suitable to use as a flashing on parapet walls, chimneys and pipe-vents. It is ideal for sealing and repairing of holes, gaps and overlaps in galvanized roof sheeting, valley gutters, down pipes, roof screws, window frames, ridging, metal boxes, radiator pipes, galvanized buckets, watering cans, water tanks, tents, tarpaulins, sheds and kennels. Adheres well to soft and hard PVC, coated and uncoated wood, some hard plastics, polyacrylates, polycarbonates, ABS, expanded polystyrene, plaster, cork, stone, leather, concrete, glass, metals like galvanized steel, stainless steel, mild steel, aluminum, brass, copper, ceramics, porcelain, soft and hard vinyl, soft and rigid rubber, fibreglass, brickwork, etc. Not suitable on wet surfaces. Not to be used for sealing high-pressure systems. Not suitable on plastics such as polypropylene, polyethylene and teflon.

For ease of application, Bostik Dit-Sit is supplied in rolls that are interleaved with a disposable release form. Can be painted to provide a colour matched finish.



50mm x 2m
  • Bostik DIY South Africa Badge Waterproof
  • Bostik DIY South Africa Badge Suitable for most materials
    Suitable for most materials
  • Bostik DIY South Africa Badge Paintable
  • Bostik DIY South Africa Badge UV Resistant
    UV Resistant
  • Bostik DIY South Africa Badge Interior Exterior
    Interior & Exterior
  • Bostik DIY South Africa Badge Made in South Africa
    Made in South Africa

Documents or Resources


  • Surfaces to be bonded must be clean, structurally sound, dry and free from dust, dirt, oil, rust and loose material.
  • Unroll the tape and measure the correct length for the area to be sealed.
  • Cut the tape ensuring a 40mm overlap.
  • Allow the tape to warm in the sun before application.
  • Peel the release paper back from one end and press the tape firmly onto the surface.
  • Removing the backing tape as you proceed.
  • On angles and grooves press firmly into the angle or groove first.
  • For a smooth finish, press tape with a rubber hand roller, working from the center outwards, remove any air bubbles and creases ensuring firm contact is made with the surface.
  • The aluminium foil backing must not be removed.

Frequently Asked Questions

Please call our Sticky Questions toll free helpline during office hours on 0800 222 400, or send an email info@stickyquestions.co.za.