Cable and pipe penetrations for walls and ceilings in Dortmund — approved, tested, documented. Promat, Hilti, Würth · S30 to S90 · existing stock, new build, retrofit.
The right system depends on context. Modular block sets handle most wall penetrations in Dortmund stock; fire boards go in for higher loads. Combined cable+pipe penetrations need a system that's listed in the manufacturer's range.
We combine Promat, Hilti and Würth — system-open, brand-neutral in Dortmund.
Take over multi-brand stock in Dortmund, consolidate in the penetration plan, prepare for consultant sign-off. Documented in the property log in Dortmund.
Classic in Dortmund stock: cables through F30/F90 wall, mineral wool with coating or board with collars.
Intumescent collar for plastic pipes, mineral wool insulation for steel — system-dependent, per approval, documented in the penetration plan.
Vertical penetration — usually box-style, accessible from above, expandable for future cables.
Cable and pipe in the same opening — Promat combination, Hilti CFS-CT, Würth fire-stop solution.
Fire damper or duct seal — coordinated with the concept, integrated into the duct line. Specified per approval in Dortmund.
Governs electrical line routing in fire protection — applies in NRW.
Defines the S-rating for cable seals in Dortmund buildings.
Every system carries an approval number — we deliver the documentation in Dortmund.
EI rating for penetration seals — used parallel to DIN, EU-recognised.
Ranges depend on opening size, density and system. Fixed quote after walkthrough.
Fixed offer after walkthrough in Dortmund.
Yes — as long as each position has an approval and the documentation is consistent. We take over stock brand-neutrally.
Call us — we take over the seal stock in Dortmund and continue it.
