Waterproofing tapes
Butyl tape for bonding and sealing EPDM membrane laps. Standard rolls are 80 mm × 20 m with a nominal thickness of 1.0 mm. Use with a compatible primer and hand roller.
The soft butyl rubber tape conforms to membrane lap joints to support continuous contact between overlapping EPDM sheets.
Designed to bond and seal side and end laps in EPDM membranes. Apply with a compatible primer and consolidate the joint with a hand roller.
A removable release film protects the adhesive before bonding and supports controlled placement along the prepared lap.
| Material | Butyl rubber |
|---|---|
| Standard tape width | 80 mm |
| Standard roll length | 20 m |
| Nominal thickness | 1.0 mm |
| Brand | Nexbride-Waterproof |
| Product code | WP-TAP-000001 |
| Construction | Butyl rubber adhesive with removable release film |
| Appearance and colour | Black; smooth surface |
| Thickness tolerance | ±0.1 mm |
| Width tolerance | ±1 mm |
| Length tolerance | Minimum 20 m; no negative length deviation |
| Standard packaging | 4 rolls per carton |
WP-TAP-000001 is a black butyl rubber tape for side and end laps between EPDM waterproofing membranes. Place it inside the overlap and use compatible primer and a hand roller to complete the seam. Ask us to review other surfaces or uses before selecting this tape.
TDS Rev.01 reports these JC/T 942-2022 results for the 80 mm × 20 m × 1.0 mm specification. The laboratory values are not guaranteed minimums for each batch and do not establish performance for custom sizes or site conditions.
| Property | Measured value or result |
|---|---|
| Initial bond force at 23 °C | 80 N; no adhesive failure |
| Adhesion under shear | 3.9 N/mm |
| Peel strength: standard conditions | 0.70 N/mm |
| Elastic recovery | 80% |
Download the English TDS, Rev.01 for the full results, including heat, cold, alkali and water exposure tests. Test temperatures do not define installation or continuous service limits.
Prepare the EPDM lap surfaces and apply a compatible primer. Agree primer coverage and drying time, lap dimensions and rolling requirements before work.
For the related standard or self-adhesive EPDM membranes, confirm the selected membrane-and-tape combination and lap detail before installation.
The shelf life is 12 months under these storage conditions. Confirm the start date with your order. Dimensions are nominal unless a tolerance is stated.
Self-adhesive butyl lap tape: technical data sheet
WP-TAP-000001: dimensions, application and storage guidance, plus JC/T 942-2022 results for 80 mm × 20 m × 1.0 mm tape. Test results are not guaranteed batch values or service temperature limits.
Yes. Apply a compatible primer to the membrane lap surfaces and press the completed joint with a hand roller. Agree surface preparation, drying time and lap dimensions for the selected system.
No. The heat, cold and ageing tests use separate laboratory conditions. Send your expected site and service temperatures so we can review application requirements.
The stated shelf life is 12 months at room temperature under the specified storage conditions. Confirm the start date for your order. Shelf life does not define installed service life or warranty coverage.
Waterproofing membranes
Non-self-adhesive EPDM membrane for roofs, basements and pond lining. Choose from five thicknesses in 1.2 m × 20 m rolls, or request custom dimensions.
Waterproofing membranes
EPDM membrane with a reactive butyl adhesive backing and removable release film. Four nominal thicknesses in 1.2 m × 20 m rolls for use on compatible concrete, mortar and metal surfaces.
