Rockfon ® Blanka® dB 41 – Acoustic ceilings

A combination of improved interior sound insulation and high-level sound absorption (Class A) for flexible and open-plan offices.
The panels are made of 35 mm thick stone wool with a highly effective membrane on the back, reducing noise transmission.

The increased wear resistance of the surface makes it more resistant to dirt and daily wear, extending the lifespan of the ceiling.
A wide range of sizes and edges is available for concealed, semi-concealed, and visible systems.
Lightweight soundproofing panels are easy to install, trim, and clean.

Stone wool panel
Face: deep matte, smooth, super-white painted surface
Rear: high-performance membrane
Durable painted edges

Description

Кромка
Толщина (mm)
Высота подвеса (mm)
αw
NRC
Класс звукопоглощения (ISO)
Вес (Kg/m2)
A24
35
200
0,90
0,90
A
5,6
D
35
200
0,90
0,90
A
5,6
E15
35
200
0,90
0,90
A
5,6
E24
35
200
0,90
0,90
A
5,6

Sound absorption is measured in accordance with ISO 354.

Sound absorption data α p, α w and absorption class are calculated in accordance with ISO 11654. Sound absorption properties of islands and baffles are quantified by the equivalent sound absorption area A eq expressed as m² per item.

Interior sound insulation Dn,f,w = 41

Direct sound insulation Rw = 21

Fire safety A2-s1,d0, (EN 13501-1) Fire hazard class – KM2 (Federal Law No. 123) (EN 13501-1)

Reflection and scattering of light light reflection 87% light scattering >99%

Panel Appearance: Super White Surface Whiteness (L): 94.5. Deep matt surface, ideal for critical side lighting. Gloss: gloss level 0.8 at 85°. The panel's whiteness (L) is tested according to ISO 7724 and measured on a scale from 1 (black) to 100 (white). Panel gloss is measured according to ISO 2813.

Moisture resistance: Up to 100% relative humidity. No visible sagging at high humidity.

Surface durability

Increased strength and dirt resistance

Cleaning: Vacuum cleaner, soft cloth

Hygiene Stone wool has no nutritional value, therefore it does not support the development of harmful microorganisms.

Environment Fully recyclable product

Indoor environment A selection of Rockfon products have been awarded the M1 (Finland) particle emission class for building materials and the Danish Indoor Climate Label (Denmark) – a symbol for the indoor climate of products with low particle emissions.

A24 600 x 600 x 35 mm

A24 1200 x 600 x 35 mm

D 600 x 600 x 35 mm

D 1200 x 600 x 35 mm

E15 600 x 600 x 35 mm

E15 1200 x 600 x 35 mm

E24 600 x 600 x 35 mm

E24 1200 x 600 x 35 mm

Technical documentation, Ceiling and wall panels

Кромка
Толщина (mm)
Высота подвеса (mm)
αw
NRC
Класс звукопоглощения (ISO)
Вес (Kg/m2)
A24
35
200
0,90
0,90
A
5,6
D
35
200
0,90
0,90
A
5,6
E15
35
200
0,90
0,90
A
5,6
E24
35
200
0,90
0,90
A
5,6

Sound absorption is measured in accordance with ISO 354.

Sound absorption data α p, α w and absorption class are calculated in accordance with ISO 11654. Sound absorption properties of islands and baffles are quantified by the equivalent sound absorption area A eq expressed as m² per item.

Interior sound insulation Dn,f,w = 41

Direct sound insulation Rw = 21

Fire safety A2-s1,d0, (EN 13501-1) Fire hazard class – KM2 (Federal Law No. 123) (EN 13501-1)

Reflection and scattering of light light reflection 87% light scattering >99%

Panel Appearance: Super White Surface Whiteness (L): 94.5. Deep matt surface, ideal for critical side lighting. Gloss: gloss level 0.8 at 85°. The panel's whiteness (L) is tested according to ISO 7724 and measured on a scale from 1 (black) to 100 (white). Panel gloss is measured according to ISO 2813.

Moisture resistance: Up to 100% relative humidity. No visible sagging at high humidity.

Surface durability

Increased strength and dirt resistance

Cleaning: Vacuum cleaner, soft cloth

Hygiene Stone wool has no nutritional value, therefore it does not support the development of harmful microorganisms.

Environment Fully recyclable product

Indoor environment A selection of Rockfon products have been awarded the M1 (Finland) particle emission class for building materials and the Danish Indoor Climate Label (Denmark) – a symbol for the indoor climate of products with low particle emissions.

A24 600 x 600 x 35 mm

A24 1200 x 600 x 35 mm

D 600 x 600 x 35 mm

D 1200 x 600 x 35 mm

E15 600 x 600 x 35 mm

E15 1200 x 600 x 35 mm

E24 600 x 600 x 35 mm

E24 1200 x 600 x 35 mm

Technical documentation, Ceiling and wall panels

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