Department III – Building Physics, Technical Building Equipment
Department III focuses on sound and thermal insulation, fire safety and building services. Seven sections address these regulatory concerns with their extensive technical expertise.
Section III 1 – Thermal and Sound Insulation

Mr Frank Iffländer
Head of Section – Thermal and Sound Insulation
Phone +49 30 78730-287
Fax +49 30 78730-11287
Email fif@dibt.de
Fields of Activity
Thermal insulation and protection against noise
- Thermal and sound insulation products
- insulation products made from renewable resources, e.g. cotton, flax, hemp, cellulose, sheep wool, grain pellets
- inorganic insulation products, e.g. foam glass, expanded perlite, expanded clay, calcium silicate, vermiculite
- impact sound insulation products
- Application of thermal insulation products
- perimeter protection, e.g. against groundwater
- thermal insulation under foundation slabs transferring loads into the ground
- inverted roofs, e.g. green roofs, carpark roofs
- PUR spray roof insulation
- core insulation (backfill materials and others)
- Horizontal assessment of questions relating to thermal and sound insulation as well as energy performance
- skylights
- sandwich panels
- ETICS
- wall construction techniques
- glazing
Section III 2 – Fire Protection of Ventilation and Duct Systems
Ms Juliane Valerius
Head of Section – Fire Protection of Ventilation Systems
Phone +49 30 78730-350
Fax +49 30 78730-11350
Email jva@dibt.de
Fields of Activity
Fire protection of ventilation systems
- Fire protection systems
- Shut-off devices
- fire dampers in ventilation ducts
- shut-off devices in ventilation systems
- Smoke and heat exhaust ventilation systems
- smoke dampers for ventilation ducts
- smoke extraction ventilators
- Fire safety of electric panels
Section III 3 – Resistance to Fire of Walls, Ceilings and Special Constructions

Ms Heidrun Bombach
Head of Section – Resistance to Fire of Walls, Ceilings and Special Constructions
Phone +49 30 78730-355
Fax +49 30 78730-11355
Email hbm@dibt.de
Fields of Activity
- Fire-resistant glazing
- Fire-resistant walls and ceilings
- Construction products for sealing openings for electrical services in fire-resistant building components
- Special constructions
- Fire-resistant mobile partitions
- Other fire-resistant components
Section III 4 – Reaction to Fire of Building Materials, Fire Protective Coatings

Mr Otto Fechner
Head of Section – Reaction to Fire of Building Materials, Fire Protective Coatings
Phone +49 30 78730-207
Fax +49 30 78730-11207
Email ofe@dibt.de
Fields of Activity
Fire performance of construction materials (including roofs), generation and spread of fire
- Reaction to fire of construction materials
- Horizontal assessment of construction products and techniques with regard to reaction to fire (including roofs); classification of fire behaviour in accordance with DIN 4102-1 or DIN EN 13501-1 / DIN 4102-7 or DIN EN 13501-5 respectively, e.g.:
- claddings
- floorings
- skylights
- insulation products
- sandwich panels
- external thermal insulation composite systems (ETICS)
Fire-protective coatings and claddings
- Intumescent products
- Ablation coating materials
- Reactive coatings for fire protection of steel elements
- Renders and render systems intended for fire-resistant applications
Section III 5 – Combustion Appliances, Chimneys, Building Services
Mr. Ronny Schmidt
Head of Section – Combustion Appliances, Chimneys, Building Services
Phone +49 30 78730-473
Fax +49 30 78730-11473
Email rsi@dibt.de
Fields of Activity
Ventilation technology
- Ventilation systems and accessories
- Safety equipment for the combined operation of ventilation systems and non-room-sealed fireplaces
Combustion appliances
- House chimneys
- Exhaust gas ducts
- Combined air/exhaust gas systems
- Materials and accessories for combustion appliances
- Dust separators and filters
- Catalysts
- Fireplaces
- Materials and accessories for fireplaces
- Heat exchangers
Sewage technology
- Sewers, access chambers and fittings
- Linings and lining techniques, including
- flooding
- hose-lining
- filling and grouting
- short-pipe relining
- lining of short and long pipes
- winder-pipe lining
- rehabilitation techniques using rigid components (e.g. pipes, segments, shells)
- lining with dimpled sheets
- burst-lining
- surface coating, e.g. for access chambers
- inlet pipe rehabilitation, e.g. top-hat profile technology
- Sealants and adhesives
- Connectors
- Negative pressure drainage systems
- Waterless urinals
- Underground sewage retention and infiltration elements
Section III 6 – Fire Protection of Service Installations, Cable and Pipe Penetration Seals

Ms Manuela Bernholz
Head of Section – Fire Protection of Service Installations, Cable and Pipe Penetration Seals
Phone +49 30 78730-436
Fax +49 30 78730-11436
Email mbe@dibt.de
Fields of Activity
Cable penetration seals, mixed penetration seals
- Penetration seals of fire-resistance classes S 30 to S 120 or El 30 to El 120
- for cables or mixed installations of cables and pipes
- for conductor rails, e.g. using special fire protection blocks
Pipe penetration seals
- Penetration seals of fire resistance classes R 30 to R 120 or El 30 to El 120
- for pipes, e.g. mechanic penetration seals, pipe collars, pipe wrappings and others
- for pipes connected with floor drains or roof outlets, e.g. using fire-proofing insertions
Section III 7 – Fire Protection of Closures; Accessories and Hold Open Devices
Christina Pritzkow
Head of Section – Fire Protection of Closures; Accessories and Hold Open Devices
Phone +49 30 78730-354
Fax +49 30 78730-11354
Email cpr@dibt.de
Fields of Activity
- Fire doors, shutters and other fire protection closures
- Fire protection closures for conveyor systems
- Special construction techniques and applications for fire protection closures
- Hold open devices for fire and smoke control doors and other fire protection closures
- Fire protection closures and closure systems for inspection chamber openings
- Accessories
- Doors for hoistways