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% |