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In order to make trenchless pipeline rehabilitation more sustainable, SAERTEX multiCom introduced the SAERTEX-LINER UPgreen at the end of 2020. The company has since used this key innovation in the sustainable production of GRP liners as standard for all SAERTEX-LINERS in the product range with UP resins. To date, the new technology has enabled savings of one million kilograms of CO₂.

The regular existence of excessively large annular spaces between the CIPP and the existing pipeline after installation has been recently the subject of controversial discussions among experts. The various reasons for the annular space as well as the effects on structural integrity are discussed.In the following technical report by Dr.-Ing. Ricky Selle a systematic approach to the topic is made. The possible reasons for the formation of annular spaces are pointed out and classified in terms of their potential. On this basis, the effects on structural integrity of the liners can be quantified. 

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.

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.

From a gravity sewer to a potable water pipe - our Global Director Products Nils Füchtjohann has written an article about the differences of GRP liners for B_I umweltbau.

SAERTEX multiCom^® is now setting further milestones to save even more CO₂ in trenchless rehabilitation: together with Scott Bader, the company has implemented a key innovation - the SAERTEX-LINER^® UPgreen.