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The so-called resin-rich layers of pipe liners have been subjected to very specific treatment on the German market since the introduction of DIN EN ISO 11296-4 in 2011. The scope for interpretation resulted in a competition developing to achieve the highest modulus of elasticity, which then became synonymous with high quality. However, the resulting characteristic values are dubious in terms of their technical basis. This practice continues to be upheld, although the update to the product standard has now rendered the basis unfounded.  The introduction of the AoC document for pipe liners is another reason to deviate from the unique German path.

The new version of the international product standard for cured-in-place pipe lining, ISO 11296-4, introduced a number of changes in 2018. New terms such as ‘design wall thickness’ and ‘composite’ necessitate greater adjustments for the industry than might initially be apparent. What will planners, manufacturers, testing institutes and construction companies need to consider in future? The following presents a technical article on how theory can be translated into practice, thereby ensuring greater transparency.

48 trillion cubic meters of potable water! That's the amount of water lost annually due to defective water pipes. To avoid such wastage, it is important for defective pipes to be rehabilitated quickly. There are different remediation options for this.

The styrene-free SAERTEX-LINER ENVIRONMENT was the first GRP liner with styrene-free VE resin on the market to be approved by DIBt. This improves the range of products offered by SAERTEX multiCom for the trenchless rehabilitation of wastewater pipes, especially for applications where it is important to avoid the typical odor of styrene.

Over recent months our team has been working intensively on improving the transport and storage conditions for our pre-impregnated GRP LINERS. We are pleased to inform you now that temperature control (cooling) for a large number of our GRP LINER shipments is no longer necessary. Moreover, there are also positive new developments regarding the storage conditions for some product ranges.

The future is the consequence of our decisions today. In his article, Nils Füchtjohann (Global Director Products) describes how SAERTEX multiCom is setting itself up for sustainability.