Strengthen critical junctions and stop leaks before they start. Crommelin Waterproofing Tape is a flexible, self-adhesive reinforcing tape designed to bridge cracks, joints, and movement-prone areas so your waterproofing membranes and sealants perform at their best.
Why you will like it
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Reinforces weak points at wall to floor junctions, around drains, over hairline cracks, and along internal corners.
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Excellent adhesion to common building surfaces when used with compatible primers and membranes.
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Flexible backing conforms to corners and curves to maintain a continuous seal.
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Moisture barrier assist helps reduce the risk of water ingress beneath tiles and finishes.
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Easy to cut and apply for fast prep on bathrooms, balconies, laundries, and wet areas.
Ideal for
- Showers, bathrooms, and laundries
- Balconies and terraces before tiling
- Planter boxes and upstands
- Penetrations such as pipes and wastes
- Internal corners, junctions, and small static cracks
Quick specs
| Product |
Waterproofing reinforcement tape |
| Length |
5 m |
| Finish |
Flexible tape for embedment into compatible membranes |
| Typical surfaces |
Concrete, rendered masonry, fibre cement, primed timber, sealed gypsum, existing compatible membranes |
| Application |
Hand applied, press firmly with roller or trowel |
How to use
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Prepare the area. Surface must be clean, dry, sound, and free of dust, oils, and loose material. Prime as required by your chosen waterproofing membrane system.
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Measure and cut lengths to suit corners, junctions, and penetrations. Pre fit to check placement.
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Bed the tape into the first wet coat of compatible membrane or approved adhesive. Press firmly to remove air pockets and ensure full contact.
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Overlap joins by at least 50 mm. At corners, mitre or fold neatly so the tape remains flat without creases that could trap water.
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Topcoat with additional coats of membrane to fully encapsulate the tape, observing required dry times between coats.
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Cure the membrane system as directed before tiling or finishing.
Good to know
- Cover the tape with a compatible liquid membrane. Do not leave exposed to prolonged UV.
- Always follow the membrane manufacturer instructions for primers, coat thickness, and cure times.
- If in doubt about compatibility, perform a small adhesion test on your substrate and membrane.
Storage and safety
- Store in a cool, dry place away from direct sunlight.
- Wear gloves and eye protection during surface prep and membrane application.
- Dispose of offcuts and packaging according to local regulations.
What is in the box
- 1 roll Crommelin Waterproofing Tape, 5 m length
Glues Australia helps Australians fix and protect with confidence. If you need help choosing a compatible membrane or primer for this tape, contact our team.
