Sewatek Ltd. produces prefabricated service penetration units for the building and construction industry. The SEWATEK penetration units provide accurately measured insulated passages for commonly used pipes and cables sizes, these units also provide soundproofing and meet EU fire resistance standards. They are also CE-marked. We produce service penetrations for hollow-core slabs, for onsite casting and for wall. In addition to that we have also penetrations that can be installed afterwards in a drilled hole.
The penetrations of pipes or cables achieve with the help of our products commonly fire class EI 120, but there are differences for example between pipe materials or sizes.
Please, ask more, if you are interested in our products. More information is available in Finnish and Swedish.