Gripset Elastoproof B10 / B50 Bond Breaker Joint Band
120mm grey NBR rubber bond breaker for wall/floor junctions and movement joints. Approved to AS 3740, up to 100% elastic recovery.
Gripset Elastoproof B10/B50 is a preformed rubber joint band for waterproofing and sealing joints, junctions and areas subject to movement. 120mm wide, 0.6-0.8mm thick, with a 20mm central stretch zone. Embedded into wet membrane, it accommodates movement with elastic recovery up to 100%.
What it's for
- Wall/floor junctions and substrate abutments
- Control joints, movement and expansion joints
- Commercial, industrial and residential applications
- Areas subject to full immersion
Why waterproofers buy it
- Approved bondbreaker system conforming to AS 3740
- Compatible with Gripset class I, II and III membranes
- Accommodates movement with up to 100% elastic recovery
- Grey NBR rubber, 120mm x 70mm active span with 20mm central stretch zone
- Available in 120mm x 50m roll or 120mm x 10m roll
Not for
Not compatible with solvent based materials, e.g. adhesives, sealants or coatings. Do not apply when surface temperature is below 5C or above 30C. Maximum starting joint width is 20mm and movement capacity is no more than 50% of the starting joint width.
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Gripset Elastoproof B10 / B50 Bond Breaker Joint Band
120mm X 10m
The Waterproofing Shop
22/872 Canterbury Road
Roselands NSW 2196
Australia
Product Details
How to Use
Technical Specifications
Frequently bought together
Technical overview
Key applications
- Wall/floor junctions
- Substrate abutments
- Control joints
- Movement and expansion joints
- Bond breaker at critical joint intersections and movement zones
- Commercial, industrial and residential applications
- Areas subject to full immersion
Not compatible with solvent based materials, e.g. adhesives, sealants or coatings. Not to be used as a UV exposed joint seal in external applications. Do not apply when surface temperature is below 5C or above 30C. Maximum starting joint width is 20mm and movement capacity is no more than 50% of the starting joint width. The rear rubber section of the band is not bonded to substrates. Adhesion of the products to be used should be tested over a typical area of the prepared surface before the application starts.
Calculate your coverage
You will need:
Gripset Elastoproof B10 / B50 Bond Breaker Joint Band
10m 50
Total coverage: 0 m²
This is an estimate only. Add 10% for wastage.
Technical Specifications
| Product Type | Preformed bond breaker joint band for joints, junctions and areas subject to movement |
| Bondbreaker Compliance | Approved bondbreaker system conforming to AS 3740 (manufacturer statement, no report number cited) |
| Rubber | NBR (acrylonitrile butadiene rubber) |
| Carrier Edging | Polyester fleece with lateral flexibility |
| Colour | Grey |
| Total Width | 120mm |
| Rubber Width | 70mm span, 20mm central stretch zone |
| Thickness | 0.6-0.8mm |
| Material Weight | 50g/m |
| Specific Gravity | 1.2 |
| Shore A Hardness | 65 |
| Temperature Resistance | -20C to 90C |
| Tensile Strength (DIN 53504) | Greater than 1.0 N/mm2 lateral direction; greater than 7.0 N/mm2 longitudinal direction |
| Rupture Strain (DIN 53504) | Greater than 208% lateral direction; greater than 48% longitudinal direction |
| Moisture Vapour Transmission Resistance Coefficient u | 8.4 |
| Equivalent Air Thickness sd | 5.0 |
| Water Pressure Resistance | 3 bar |
| Fire Class (DIN, EN) | B3, F |
| Elastic Recovery | Up to 100%* |
| Starting Joint Width | 20mm maximum |
| Movement Capacity | No more than 50% of starting joint width |
| Minimum Overlap Where Lengths Are Joined | 50mm |
| Membrane Compatibility | Compatible with Gripset class I, II and III membranes |
| Immersion | Can be used in areas subject to full immersion |
| Chemical Resistance | Resistance table published in the TDS covering acids, alkalis, sea water, diesel oil, grease, oil and paraffin |
| Application Temperature | 5C to 30C surface temperature |
| Chemical Incompatibility | Not compatible with solvent based materials such as adhesives, sealants or coatings |
| Roll Sizes | 120mm x 50m roll; 120mm x 10m roll |
| Hazard Classification | Not classified as hazardous according to criteria of Worksafe Australia |
| * Manufacturer stated value - no test method or accredited report is cited in the TDS | |
Frequently asked questions
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Where do I use Elastoproof B50?
ApplicationAt all wall-to-floor junctions, substrate abutments, control joints and expansion/movement joints – wherever the membrane will be subject to differential movement.
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How is it installed?
ApplicationApply 1st coat of Gripset 38FC, P39, 2P or C-1P at the junction. While still wet, embed the B50 band centred over the junction, then roll flat. Overcoat with the 2nd coat of membrane, ensuring full encapsulation.
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What sizes are available?
Coverage & CoatsB10 = 120mm × 10m roll (residential repairs). B50 = 120mm × 50m roll (full bathroom / commercial use).
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Which membranes is it compatible with?
CompatibilityAll Gripset liquid membranes including 38FC, 2P, C-1P, P39, LS and Xpress Multi Pro Membrane.
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How much movement can it handle?
PerformanceThe rubber compound provides up to 100% elastic recovery and accommodates longitudinal, lateral and transverse movement at joints.
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How should I store the roll?
StorageStore flat in a cool, dry area away from UV exposure until installation.
Why trade professionals choose Gripset
Gripset supplies waterproofing membranes, primers, tapes, bond breakers and detailing components to the Australian trade, and the range is used widely on residential and commercial projects. It is built around complete systems, so the primer, the membrane and the detailing accessories are designed to work together on bathrooms, balconies, planter boxes and below-ground areas. We stock Gripset for tilers, waterproofers and builders who would rather buy the whole build-up from one place than mix components across brands.
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