TOPSEAL Plus® shaft system
View Finger-Beton Unternehmensgruppe on TEKEN44With this innovation, Finger-Beton has set new standards. The TOPSEAL Plus® manhole system (formerly econorm®) was launched more than 25 years ago to anticipate the growing demands for safety, quality, and structural integrity. Today, over one million installed precast manhole components prove that TOPSEAL Plus® has proven its worth for municipalities, in planning, and above all, on construction sites. The key feature of the TOPSEAL Plus® manhole system is the integration of the seal and load transfer, firmly embedded within the concrete body. More precisely, a one-piece, factory-integrated seal with circumferential load distribution via a non-resilient sand bed. The pioneer in sustainability has reached increasingly discerning decision-makers. The DIN 4034-1 standard, in conjunction with EN 1917, defines the stringent requirements, which the TOPSEAL Plus® shaft system even surpasses. Particularly in cases of groundwater issues, heavy traffic loads, and other challenging conditions, TOPSEAL Plus® is now the only viable alternative.
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