WD 70 R (R/N)

Minerally bound thermal and/or impact sound insulation for normal loads.

EN / English

Revision02.2025

Product

Designation code: BEPS-WD 70 R (RN)-PS(0-8)R-LD70-FMD102-DMD90-MU6-CS(10/70-CC(1,2/0,5/10)10-DLT(1)5

Data

Property	Symbol	Value	Unit
90% fractile value of thermal conductivity (dry)	λ10 dry, 90/90	0.045	W/mK
Design value of thermal conductivity	λR	0.047	W/mK
Bulk density of EPS dry mortar	LD	70	kg/m³
Density of fresh mortar	FMD	100	kg/m³
Dry bulk density	DMD	88	kg/m³
Creep behaviour over 10 years at 10 kPa	CC	≤ 1.2	%
Compressive stress at 10% deformationFrom 50 mm	CS (10)50	min. 50	kPa
Dimensional stability under compressive load and temperature exposure	DLT (1)5	≤ 3	%
Water vapour diffusion resistanceAt 3 cm	µ*d	≤ 6	m
Reaction to fire according to EUROCLASS[***]	—	E	—
Type and particle size group of EPS aggregate	—	50% 0 - 8 R / 50% 2 -8 N	—
Water absorption by short-term partial immersion	—	≤ 2.0	kg/m²
Water addition per m³	—	36	L
Minimum installation thickness	—	35	mm
Compressibility under load (difference between dL and dF)At 5 kPa (500 kg/m²)	—	0.5	mm
Working timeOpen time, 20°/60 % RH	—	min. 40	min
Processing temperature min/max	—	+5° / +35°	C
Walkable after[*]	—	24 hours	—
Ready for covering after (CM measurement)	—	≤ 15	CM-%
At installation thickness up to 200 mm23°C /50 % RH[**]	—	Approx. 2 days	—
Equilibrium moisture content based on ÖNORM EN 12429	—	5.5	M%
Impact sound reduction (according to EN ISO 717-2)	—	25	dB

Installation thickness (mm) · Dynamic stiffness s′ (MN/m³)

Approximate values digitized from PDF · technical review pending.

Installation thickness (cm) · Live load (kN/m²)

Approximate values digitized from PDF · technical review pending.

Product certificates 100 % HBCD-free

CE marking CE marking wd70rn

*Depending on temperature and humidity.
**The values are indicative. A CM measurement is required.
***In the event of a fire, EPS thermal insulation can prevent the spread of fire, but it does not constitute a fire barrier.

*Depending on temperature and humidity.

**The values are indicative. A CM measurement is required.

***In the event of a fire, EPS thermal insulation can prevent the spread of fire, but it does not constitute a fire barrier.

90% fractile value of thermal conductivity (dry)	λ10 dry, 90/90	0.045 W/mK
Design value of thermal conductivity	λR	0.047 W/mK
Bulk density of EPS dry mortar	LD	70 kg/m³
Density of fresh mortar	FMD	100 kg/m³
Dry bulk density	DMD	88 kg/m³
Creep behaviour over 10 years at 10 kPa	CC	≤ 1.2 %
Compressive stress at 10% deformationFrom 50 mm	CS (10)50	min. 50 kPa
Dimensional stability under compressive load and temperature exposure	DLT (1)5	≤ 3 %
Water vapour diffusion resistanceAt 3 cm	µ*d	≤ 6 m
Reaction to fire according to EUROCLASS		E^***
Type and particle size group of EPS aggregate		50% 0 - 8 R / 50% 2 -8 N
Water absorption by short-term partial immersion		≤ 2.0 kg/m²
Water addition per m³		36 L
Minimum installation thickness		35 mm
Compressibility under load (difference between dL and dF)	At 5 kPa (500 kg/m²)	0.5 mm
Working time	Open time, 20°/60 % RH	min. 40 min
Processing temperature min/max		+5° / +35° C
Walkable after		24 hours^*
Ready for covering after (CM measurement)		≤ 15 CM-%
At installation thickness up to 200 mm	23°C /50 % RH	Approx. 2 days^**
Equilibrium moisture content based on ÖNORM EN 12429		5.5 M%
Impact sound reduction (according to EN ISO 717-2)		25 dB