Fellert Acoustic Spray-On Plaster System
Information
CMS Danskin's Fellert Acoustic Spray-On Plaster is a high quality
plastering system that absorbs unwanted noise in a wide range of
environments. As an acoustic solution it has a highly absorbent
effect that allows optimum acoustic control in large commercial
spaces.
CMS Danskin's Fellert Acoustic Spray-On Plaster is available in two
options Fellert and Fellert 'Even Better'. Fellert offers Class C
performance and Fellert 'Even Better' offers up to Class A performance.
Offering unrivalled levels of sound absorption CMS Danskin's
Fellert Acoustic Spray-On Plaster leaves walls and ceilings clear of
panels and visible acoustic solutions. It is easy to repair clean and
maintain and has a proven track record of providing high
performance sound absorption. It is also constructed entirely
from environmentally friendly materials which are completely
free from toxins.
CMS Danskin's Fellert Acoustic Spray-On Plaster appeals to
acousticians architects and designers because it provides a
virtually seamless surface for walls and ceilings. Other products
absorb sound by incorporating an air gap. CMS Danskin's Fellert
Acoustic Spray-On Plaster absorbs sound in lower frequencies
without the need for an underlying air gap. It is therefore a much
more flexible product in terms of design with the capability to adapt
to curves angles and unusual geometrical shapes.
Benefits
- Variety of colours and finishes
- Anti-static qualities
- Virtually seamless and adapts easily to curves angles and arching domes
- Versatility to suit any space or design
- Easy to repair clean and maintain
- High quality aesthetic finish and superior acoustic performance
- Environmentally friendly and free from toxins
- Unrivalled level of sound absorption
Applications
CMS Danskin's Fellert Acoustic Spray-On Plaster System
can be provided in a variety of finishes and colours, creating
a broad range of potential applications. It has been used
effectively on the walls of theatres and auditoriums, as well
as spaces such as galleries, boardrooms, concert venues
and public swimming baths. The system has been installed
at a number of high profile projects globally including The
Bank of England, London and the University of Cambridge.
Quality acoustic solutions in office environments can help to
improve productivity and concentration.
CMS Danskin's Fellert Acoustic Spray-On Plaster System
on walls and ceilings can help to shorten reverberation times
and improve clarity.
The anti-static quality of CMS Danskin's Fellert Acoustic
Spray-On Plaster System makes it easy to clean and
maintain. It is also made from entirely non-toxic materials.
Clinical environments are usually clean and minimalist,
which encourages sound reverberation. CMS Danskin's
Fellert Acoustic Spray-On Plaster System can reduce this
reverberation and improve acoustics.
Older buildings in particular can have arching lobbies and
stairwells, which were designed without acoustic expertise.
CMS Danskin's Fellert Acoustic Spray-On Plaster System
can be applied in all of these areas.
CMS Danskin's Fellert Acoustic Spray-On Plaster System
offers three distinct types of finish, which mean that it can
be used sympathetically in older buildings and restorations.
Specification
Acoustic Specification
CMS Danskin's Fellert Acoustic Spray-On Plaster System has a Sound Absorption Coefficient of up to Class A according to ISO 11654.
CMS Danskin's Fellert Acoustic Spray-On Plaster is unique because it absorbs sounds at lower frequencies. Most acoustic solutions will absorb frequencies above 500Hz. However, CMS Danskin's Fellert Acoustic Spray-On Plaster also absorbs sounds with frequencies below 500Hz; low, constant noises such as the hum of air-conditioning units or the buzz of traffic, which make a significant difference to the quality of the environment.
For full performance data for Fellert and Fellert 'Even Better', download our detailed product datasheets (top right tab, above).
Physical Specification
CMS Danskin's Fellert Acoustic Spray-On Plaster is made entirely from environmentally friendly materials and is also an antistatic product that will not attract dust particles.
It does not contain or release any toxins or any substances that can provoke allergies. As no materials are added that can be injurious to health and the environment, CMS Danskin's Fellert Acoustic Spray-On Plaster can be returned to natural circulation without harming the environment or damaging local habitats.
One of the key features o fCMS Danskin's Fellert Acoustic Spray-On Plaster is its versatility. It can be specified to suit any space or design criteria.
If required, CMS Danskin's Fellert Acoustic Spray-On Plaster can be specified in bespoke colours or finishes. Depending on the acoustic performance required, CMS Danskin's Fellert Acoustic Spray-On Plaster is available in two construction heights.
22mm Option
22mm will make a significant difference to the acoustics in any environment.
42mm Option
A 42mm construction height is proven to deliver acoustic excellence.
Natural: A lightly textured finish that is sprayed on.
Trowelled: A handcrafted finish that is sprayed on and then handtrowelled on the final application.
Ultra Smooth: The finish resembles a smooth handcrafted plaster.
CMS Danskin's Fellert Acoustic Spray-On Plaster is manufactured to extremely high standards and tested to ensure that it provides outstanding performance.
Fire Resistance
CMS Danskin's Fellert Acoustic Spray-On Plaster has Fire Protection approval, Euro Class B-S1, d0 to EN13823 and EN ISO 11925-2. It also achieves the fire resistance requirements of British Building Regulations BS476: Part 6 and 7, satisfying the highest level Class ‘0’.
Environmental
More than 30% of the content used to make CMS Danskin's Fellert Acoustic Spray-On Plaster is recycled. It has zero VOC content when tested against the ASTM D3960 standard.
Installation
CMS Danksin's Fellert Acoustic Spray-On Plaster System has two constituents. Firstly, fibreglass board is attached with adhesive or mechanical fixings. Secondly, the acoustic plaster is mixed with water. Depending on the type of finish required, it can be applied with a spray machine or hand-trowelled to an approximate thickness of 3mm. The Fellert Acoustic Spray-On Plaster System is supplied by CMS Danskin and installed by approved installation partners. Detailed installation guidelines are available on request.
Predominant installation method
Fibreglass Board and Fellert Acoustic Spray-On Plaster System to a GWB Substrate. The Fibreglass Board is attached to a non-taped and non-primed drywall substrate with approved adhesive. A mesh tape and approved primer are applied to the plastic or aluminium C channel. The fibreglass board is then sprayed with the Fellert Acoustic Spray-On Plaster System .
Other installation methods
Fellert Acoustic Spray-On Plaster System only (no Fibreglass Board) to a GWB Substrate Approved primer is applied to a drywall substrate prepared to a level 4 standard. The primed surface is then sprayed with the Fellert Acoustic Spray-On Plaster System .
To Previously Painted Surfaces
The substrate is tested for bond strength and cleaned. The fibreglass board is attached to the painted substrate with the approved adhesive and additionally secured with a minimal amount of spring washers if required. A self-adhesive mesh tape and approved primer are applied to the plastic or aluminium C channel. The fibreglass board is then sprayed with the Fellert Acoustic Spray-On Plaster System . Fibreglass Board & Fellert Acoustic Spray-On Plaster System Directly-to-Grid. The fibreglass board is attached to a 40mm o.c. metal drywall grid system with the spring washers. A mesh tape and approved primer are applied to the plastic or aluminium C channel. The fibreglass board is then sprayed with the Fellert Acoustic Spray-On Plaster System . Installations to curved surfaces are not recommended with the direct-to-grid applications. Install all curved applications to GWB or other solid surface.
General Installation Statement
While the above Fellert Acoustic Spray-On Plaster System can be applied to horizontal and vertical surfaces, it is not recommended to use the Fellert Acoustic Spray-On Plaster System within touching distance, i.e. within 2.5m of standing floor level. The official fibreglass board thickness is 19mm or 39mm.
Repair and Maintenance
The Fellert Acoustic Spray-On Plaster System has a unique composition that makes it easy to clean. Anti-static qualities mean it does not magnetically attract particles from the surrounding air, which is the principal reason for dirt on ordinary painted surfaces. Therefore, dust and other debris can be removed simply by vacuum cleaning. Other stains can usually be cleaned using a soft sponge and fresh water.
The Fellert Acoustic Spray-On Plaster System stands up well to impact. However, where damage to the plaster occurs, it can often be repaired in a localised way, without re-spraying an entire wall or ceiling. This can mean that maintenance costs are much lower than with other types of acoustic solutions.
CMS Danskin Fellert
