Advantages of RAWMAT® HDB » Vs. HDPE
RAWMAT® HDB is a fundamental breakthrough in barrier technology, and leaves the factory as a complete, functioning system.
The following table explains the advantages of RAWMAT® HDB over HDPE in more detail.
| HDPE | RAWMAT® HDB |
|---|---|
| HDPE sheets require welding to achieve secure overlaps. | RAWMAT® HDB simply rolls out, watertight overlaps are easily achieved. |
| HDPE requires specialist welding crews to seal the overlaps. | RAWMAT® HDB requires no specialist labour for installation. |
| HDPE requires specialist lap welding machines. | RAWMAT® HDB requires no specialist equipment for installation. |
| HDPE has temperature limitations for laying and welding. | RAWMAT® HDB can be laid in most weather conditions. |
| Dust on sites can interfere with the security of the welds in HDPE. | Dusty sandy conditions do not affect RAWMAT® HDB installation. |
| HDPE sheets often require additional protective geotextiles. | RAWMAT® HDB does normally not require protection geotextiles. |
| Sealing HDPE to penetrations requires specialist materials. | RAWMAT® HDB is simple to seal around pipes & penetrations. |
| HDPE has no self-healing properties. | RAWMAT® HDB has the ability to self-heal punctures. |
| Complex welding is required to repair damage to HDPE sheets. | Simple to repair if membrane is damaged during construction. |
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All information contained within this site is given in good faith and is correct to the best of Rawell Environmental Ltd.'s knowledge. However, this information is not legally binding and may be changed at any time without notice. Rawell offer a free advisory service, please Contact Us for more details. RAWMAT® and RAWSEAL® are registered trademarks of Rawell Environmental Ltd.