Description
SPECIAL ORDER – OUR SPECIAL ORDER SERVICE ALLOWS YOU TO CHOOSE FROM A EVEN BIGGER RANGE. Special Orders require 7 to 14 working days to be ready for collection or delivery and some products might take longer to order in. Please contact us for more information or estimated delivery time before placing your order.
Description
- Jointflex® is a closed cell, crossed linked, non-absorbent polyethylene expansion joint filler board for use in expansion and isolation joints in concrete and masonry structures..
- Jointflex® also for use in trafficable joint conditions..
- Jointflex® has no bitumen content and joint sealant can be directly applied on top of it without the use of a bond..
- Supplied in sheet form and at a thickness to suit the joint width or can be custom cut in sheet sizes to suit the concrete thickness or width..
- Also available upon request with a tear off cap to suit the joint sealant application depth..
Features
- Dimension: 2m (L) x 1m (W) x 25mm (T).
- Density: 50 kg/m³.
- Colour: Black.
Advantages
- Non-absorbent.
- Lightweight.
- Excellent weatherability .
- Resistant to ultraviolet light.
- No-bitumen content.
- Ability to compress and recover.
- Non extruding from joint movement.
- Suitable for submerged or trafficable joints.
Area of Application
| AREA OF APPLICATION | |
| Slab on ground | Suspended slabs |
| Brickwork and blockwork | Basements and tunnels |
| Reinforced concrete structures | Water retaining and excluding structures |
| Concrete roads & pavements | Dams & reservoirs |
Available Sizes
- Available in sheet size 2m x 1m..
- Available in thickness of 10, 12, 15, 20 and 25mm. Sizes from 2-50mm are cut to order..
- Available in low density (50kg/m³), medium density (100kg/m³) and in high density (150kg/m³)..
Physical Properties
| PROPERTY | METHOD | UNIT | RESULT |
| Density | ISO 845 | Kg/m³ | 50 |
| Tensile Strength | ISO 1798 | MPa | 0.44 |
| Elongation at break | ISO 1798 | % | 100 |
| Compression stress strain at deflection 10% | ISO 3386 | KPa | 34 |
| Compression stress strain at deflection 25% | ISO 3386 | KPa | 59 |
| Compression stress strain at deflection 50% | ISO 3386 | KPa | 125 |
| Tear Strength | DIN 53507 | N/nm | 1.0 |
| Compression set (22n, 25%, 25°C) after 0.5h | ISO 1856 | % | <14 |
| compression release:- 24h | ISO 1856 | % | <6 |
| Water absorption after 28 days | DIN 53433 | Vol% | <3 |
Typical Applications
Written Specification
Where shown in the drawings, the expansion joint fillerboard shall be Jointflex, closed cell / cross-linked polyethylene fillerbard material, with a minimum density of 50kg/m³, as supplied by CORKJOINT. The application / installation of the product must be in accordance with the manufacturer’s recommendations.
Installation Procedures
Jointflex is cut to size in sheet form with a sharp retractable blade. Sheets and rolls are adhered to the first concrete structure by a contact adhesive. Adhesive is applied directly to the sheet in 50mm diameter “spots” @ 300mm centers (approximately) or as required. Also refer to our installation method, available upon request.
Health And Safety Information
For further information or advice on health and safety precautions, safe handling, storage and correct disposal of products, please refer to the most recent product Material Safety Data Sheet (MSDS), which is available upon request.
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