Skip to main content

de
en

Login
Suche

Building materials
Components

You are here:

Components
Flat roof

Flat roof

Regional validity

Scope

All components Germany

Flachdach/flachgeneigtes Dach

Components Flachdach/flachgeneigtes Dach

27 Components

Constrution +

Construction

Timber frame

Exposed rafter

Solid wood

Roofing

Tile

Metal sheet

Membrane materials

Roof structure

Ventilated

Not ventilated

External planking

MDF

Softboard

Wood cladding

Cavity insulation

Mineral wool <1000°C

Mineral wool ≥1000°C

Cellulose

Sheep wool

Wood fibre

Roof insulation

Mineral wool ≥1000°C

Wood fibre

Polystyrene

Dry lining

With battens

With suspension

Directly

Without

Internal Surface

Wooden

Gypsum plasterboard

Building physics +

Fire performance

REI30

REI45

REI60

REI60 / K₂60

REI90

REI90 / K₂60

Thermal performance

U ≤0,15 W/(m²K)

U 0,16–0,20 W/(m²K)

U ≥0,21 W/(m²K)

Acoustic performance

R_w ≤43 dB

R_w 44–47 dB

R_w 48–57 dB

R_w ≥58 dB

Sustainability +

Energy use of Primary Energy

<600 MJ/m²

<700 MJ/m²

<850 MJ/m²

<1000 MJ/m²

∑ΔOI3

<30

<40

<55

<70

GWP-T

<-45 kgCO₂Äqv.

<-35 kgCO₂Äqv.

<-25 kgCO₂Äqv.

<-15 kgCO₂Äqv.

Built-in renewable materials

>40 %

>60 %

>80 %

Energy use of Primary Energy

<500 MJ/m²

<700 MJ/m²

<1000 MJ/m²

<1200 MJ/m²

Share of renewable Primary Energy

>10 %

>20 %

>30 %

>40 %

Biogenic carbon

<40 kgCO₂Äqv.

<70 kgCO₂Äqv.

<100 kgCO₂Äqv.

<130 kgCO₂Äqv.

Built-in renewable materials

>40 kg/m²

>60 kg/m²

>80 kg/m²

Hits for components flat roof

fdmbi01a
3 Variants

fdmnko01
2 Variants

fdmnti01a
2 Variants

fdmobi01a
4 Variants

fdmoki01b
2 Variants

fdmoko01
2 Variants

fdrhbi01a
8 Variants

fdrhbi01b
8 Variants

fdrhbi02a
7 Variants

fdrhbi02b
7 Variants

fdrhbi03a
7 Variants

fdrhbi03b
7 Variants

fdrhbi04a
7 Variants

fdrhbi04b
7 Variants

fdrhbi05a
7 Variants

fdrhbi05b
7 Variants

fdrhbi06a
8 Variants

fdrhbi06b
8 Variants

fdrhbi07a
7 Variants

fdrhbi07b
7 Variants

fdrhbi08a
8 Variants

fdrhbi08b
8 Variants

fdrhbi10a
7 Variants

fdrhbi10b
7 Variants

fdroba01a
3 Variants

fdrobo01a
4 Variants

fdrobo02a
3 Variants

Components

Wall
External wall
Internal wall
Compartment wall
Component ceiling / roof
Intermediate floor
Floor towards attic
Pitched roof
Flat roof
Applications
Multi storey housing

Information about components
Nomenclature

Imprint
General terms of use
Terms of use for Germany
Privicy policy
About dataholz.eu
Joining the database, inclusion in the list of building materials

©2025, dataholz.eu

Deutsch
English