





Bitusheet XL is intended for use as a self bonding vertical or horizontal damp proof membrane in tanking below ground structures, subways and retaining walls.
| Rubber Bitumen thickness | 1.4mm | Roll length | 19.05m |
| Polythene backing | 0.1mm | Roll weight | 34kg |
| Total thickness | 1.5mm | Area of roll | 20m2 |
| Roll width | 1050mm | Overlap | Edge 50mm with selvedge End 100mm |
| Test | Typical Result | |
| ASTM D146 | Low temperature pliability | Better than – 5°C |
| ASTM D2240 | Durometer hardness type A | 60 |
| ASTM E154 | Puncture resistance | 220N |
| ASTM D1228 | Water absorption (2 hours) | 0 |
| ASTM D471 | Water absorption (670 hours at 70°F) | 0.12% |
| ASTM D1191 | Slump on 90° gradient 6 hours @ 70°C | 0 |
| ASTM E96 | Water vapour transmission 25°C.75% rh transmission |
0.20 g/m2 per day |
| ASTM D1004 | Tear strength Longitudinal | 4.2N/mm2 |
| Tear strength Transverse | 4.8N/mm2 | |
| ASTM D638 | Tensile strength Longitudinal Tensile strength Transverse |
42N/mm2 48N/mm2 |
| ASTM D638 | Compound Elongation | 1300% |
| ASTM D638 | Elongation at break | 210% |
| ASTM D573 | Percentage change in elongation after heat ageing at 70°C. Dimensional Stability (2 weeks at 60°C) |
|
| Longitudinal | 0.1% | |
| Transverse | -0.2% | |
| Bond strength of self | 30 N/cm | |
| Bond strength to primed concrete | 20N/cm | |
| BS 2782 | ||
| Method 320 | Membrane strength | 50 N/cm |
| MOAT 5.1.4 | Water penetration at joint | 0% |