Fire-stop penetration seals in Laer

Cable and pipe penetrations for walls and ceilings in Laer — approved, tested, documented. Promat, Hilti, Würth · S30 to S90 · existing stock, new build, retrofit.

Promat · Hilti · WürthExisting & newAudit-ready documentation
Laer

What a penetration seal achieves.

An F90-rated wall in Laer loses its function the second a cable, pipe or duct passes through it without an approved closure. Only the approved penetration seal restores that fire resistance — and only if the system used matches the pipe type.

Penetration systems for Laer.

The system depends on opening size, occupancy density and wall type.

  1. 01

    Combined seal

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

  2. 02

    Cable seal in wall

    Classic in Laer stock: cables through F30/F90 wall, mineral wool with coating or board with collars. Specified per approval in Laer.

  3. 03

    Duct fire-stop

    Fire damper or duct seal — coordinated with the concept, integrated into the duct line.

  4. 04

    Cable seal in ceiling

    Vertical penetration — usually box-style, accessible from above, expandable for future cables.

  5. 05

    Stock documentation

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

  6. 06

    Pipe penetration

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

Where we install seals in Laer.

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

Standards.

  • abZ
    Building-authority approval

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

  • MLAR
    Cable line directive

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

  • DIN 4102-9
    Cable penetration seals

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

  • EN 1366-3
    European classification

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

What penetration seals cost in Laer.

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 Laer

Fixed offer after walkthrough in Laer.

Fire stops in Laer — FAQ.

  • Yes — open seal, add cable, reseal. Standard service in Laer.

Have your seals checked for Laer.

Call us — we take over the seal stock in Laer and continue it.

Call+49 2861 8114387