Wall and ceiling penetrations in Hennef sealed audit-ready, installed to approval, tracked in penetration plans for the consultant's sign-off.
Every wall penetration in Hennef that crosses a fire-compartment boundary needs documentation: approval number. Consultants check this every year. Insurers reference it at renewal. A missing seal is the kind of finding that raises premiums.
We combine Promat, Hilti and Würth — system-open, brand-neutral in Hennef.
Intumescent collar for plastic pipes, mineral wool insulation for steel — system-dependent, per approval, documented in the penetration plan. Documented in the property log in Hennef.
Take over multi-brand stock in Hennef, consolidate in the penetration plan, prepare for consultant sign-off. Documented in the property log in Hennef.
Vertical penetration — usually box-style, accessible from above, expandable for future cables.
Classic in Hennef stock: cables through F30/F90 wall, mineral wool with coating or board with collars.
Fire damper or duct seal — coordinated with the concept, integrated into the duct line. Specified per approval in Hennef.
Cable and pipe in the same opening — Promat combination, Hilti CFS-CT, Würth fire-stop solution. Audit-ready in Hennef.
EI rating for penetration seals — used parallel to DIN, EU-recognised.
Every system carries an approval number — we deliver the documentation in Hennef.
Defines the S-rating for cable seals in Hennef buildings.
Governs electrical line routing in fire protection — applies in NRW.
Ranges depend on opening size, density and system. Fixed quote after walkthrough.
Fixed offer after walkthrough in Hennef.
Yes — as long as each position has an approval and the documentation is consistent. We take over stock brand-neutrally.
Walkthrough in Hennef → defect list → fixed offer.
