Whether stairwell closure, apartment entrance, plant room or boiler in Marl: we deliver the right T-rating, choose from twenty-plus model series and align with the fire-protection concept.
When to replace versus repair: missing approval mark usually means a full replacement. loose hardware are repairs. We advise honestly for properties in Marl so you decide on the data, not the sales pitch.
Which variant we install in Marl depends on wall situation, fire-protection concept, use and aesthetics.
For wide passageways or representative entrances in Marl. Standing leaf with bolt, active leaf with handle. Specified per approval in Marl.
Wall-parallel — when space, swing or clearance is critical in Marl.
F30/F90 glass with stainless frame — for foyers, entrances and conference partitions in Marl.
Robust, economic, powder-coated or galvanised. Standard solution for stairwells, industry and underground parking in Marl. Documented in the property log in Marl.
Premium look, T30 standard with T60/T90 on request. First choice for offices, care homes and hotels in Marl.
Bidirectional, with floor spring, swing closer or vision panel. For industry, logistics and hospitals in Marl.
Every door we install in Marl carries an approval number and declaration of conformity.
Mandates fire-resisting closures in stairwells — applies in NRW.
Defines T30, T60, T90 — the German classifications for fire doors in Marl.
EI30, EI60, EI90 — the EU classification used in parallel with DIN 4102-5.
Rules for installation, anchoring, sealing — binding and inspection-relevant in Marl.
Reference figures for Marl — fixed quote after on-site measurement.
All prices indicative for Marl — fixed offer after measurement.
We allow 3–5 hours per door, including demolition and documentation.
Schedule survey in Marl → get fixed quote → fix install date. Three steps, no surprises.
