Fire-stop penetration seals in Nordwalde

Sealing what needs to be sealed in Nordwalde and Kreis Steinfurt. Cable seals, pipe stops, combined penetrations. Soft, hard or mortar seals.

Walkthrough in NordwaldeDefect list includedFixed offer
Nordwalde

What a penetration seal achieves.

An F90-rated wall in Nordwalde loses its function the moment a cable, pipe or duct passes through it unprotected. Only the tested penetration seal restores that fire resistance — and only if the system used matches the cable density.

Penetration systems for Nordwalde.

We combine Promat, Hilti and Würth — system-open, brand-neutral in Nordwalde.

  1. 01

    Pipe penetration

    Intumescent collar for plastic pipes, mineral wool insulation for steel — system-dependent, per approval, documented in the penetration plan. Audit-ready in Nordwalde.

  2. 02

    Cable seal in ceiling

    Vertical penetration — usually box-style, accessible from above, expandable for future cables. Specified per approval in Nordwalde.

  3. 03

    Stock documentation

    Take over multi-brand stock in Nordwalde, consolidate in the penetration plan, prepare for consultant sign-off.

  4. 04

    Combined seal

    Cable and pipe in the same opening — Promat combination, Hilti CFS-CT, Würth fire-stop solution. Specified per approval in Nordwalde.

  5. 05

    Duct fire-stop

    Fire damper or duct seal — coordinated with the concept, integrated into the duct line. Audit-ready in Nordwalde.

  6. 06

    Cable seal in wall

    Classic in Nordwalde stock: cables through F30/F90 wall, mineral wool with coating or board with collars. Audit-ready in Nordwalde.

Where we install seals in Nordwalde.

Stairwell walls
Compartment boundaries with cable and pipe penetrations — mandatory at every building permit in Nordwalde.
Cable trays
Tray penetrations with box seals or aggregate seals. Standard scope in Nordwalde.
Stock survey
Take over multi-brand stock in Nordwalde, inspect, transfer into penetration plan, prepare for authorities.
Plant rooms
Boiler, distribution, transformer — high penetration density, consultant focus.
Duct lines
Fire dampers, duct seals — schools, care, offices in Nordwalde. Standard scope in Nordwalde.
Riser shafts
Floor-by-floor sealing — renovation, stock, retrofit in Nordwalde. Standard scope in Nordwalde.

Standards.

  • DIN 4102-9
    Cable penetration seals

    Defines the S-rating for cable seals in Nordwalde buildings.

  • abZ
    Building-authority approval

    Every system carries an approval number — we deliver the documentation in Nordwalde.

  • MLAR
    Cable line directive

    Governs electrical line routing in fire protection — applies in NRW.

  • EN 1366-3
    European classification

    EI rating for penetration seals — used parallel to DIN, EU-recognised.

What penetration seals cost in Nordwalde.

Ranges depend on opening size, density and system. Fixed quote after walkthrough.

  • from €80
    Small cable penetrationSingle cable, S30 with coating
  • €150 – €400
    Standard wall cable sealMineral wool + coating, medium density
  • €300 – €800
    Combined sealCable and pipe in one opening
  • from €600
    Duct fire-stopFire damper installed
  • Fixed price
    Stock survey & penetration planLump-sum after walkthrough in Nordwalde

Fixed offer after walkthrough in Nordwalde.

Fire stops in Nordwalde — FAQ.

  • Yes — as long as each position has an approval and the documentation is consistent. We take over stock brand-neutrally.

Have your seals checked for Nordwalde.

Walkthrough in Nordwalde → defect list → fixed offer.

Call+49 2861 8114387