Sound reduction systems
Sound Reduction Systems Ltd
Adam Street
off Lever Street
Bolton
BL3 2AP
Tel: +44 (0)1204 380074
Fax: +44 (0)1204 380957
Email:
info@soundreduction.co.uk
Website:
www.soundreduction.co.uk
Contact: Mr A Docherty
rps no: 10332
Sound Reduction Systems offers a comprehensive range of building and architectural products to provide acoustic insulation
within buildings. Many years' experience in soundproofing, combined with well proven and tested products, provides a
guarantee of satisfaction. The company's Technical Department is pleased to offer advice and consultation on any acoustic
problems.
Introduction Maxiboard has been
designed to upgrade the sound
insulation of ceilings, floors and
walls quickly and economically.
It forms part of a number of ceiling
systems that enable new or existing
ceilings to achieve the requirements
of Building Regulations Approved
Document E (2003) or simply to
upgrade the existing sound
insulation for personal comfort.
Applications All systems offer a
ceiling that meets Building
Regulations Approved Document E
requirements for acoustic insulation.
Maxiboard high performance
acoustic building board
Applications Maxiboard is
designed to reduce the transmission
of sound through floors, ceilings and
walls in both new build and
conversion projects. It may be
applied to existing structures on its
own or on a resilient framework.
Description Maxiboard is a highly
versatile acoustic building board that
also has fire resistant properties.
These enable SRS to offer ceiling
systems that provide ½ and 1 hour
fire ratings. At only 17 mm thick, it
offers maximum acoustic
performance for minimum loss of
room height.
Dimensions, weight
1200 x 600 x 17 mm, 23.6 kg/m
2
.
Fire Maxiboard is a Class 0
material for fire propagation to
BS 476: Part 6 and Class 1 surface
spread of flame to BS 476: Part 7.
Maxi 30 ceiling
Description The Maxi 30 ceiling
comprises 100 mm fibre glass quilt
between the floor joists, resilient
bars fixed to the underside of the
joists at 400 mm centres and a
Maxiboard fixed to the bars using
SRS Maxi screws. Joints are sealed
with SRS Gripfix and the perimeter
finished with a bead of SRS acoustic
sealant.
Sound Reduction Systems Ltd
Sound Acoustic performance is as follows:
Airborne
Impact
D
nT,w
(dB)
D
nT,w
+ C
tr
(dB)
L
nT,w
(dB)
Maxi 30 ceiling:
Maxi 30 only
50
43
61
Maxi 30 with Acoustilay 8
53
46
35
Maxi 30 with Acoustilay 15
55
49
37
Maxi 60 only
53
48
57
Maxi 60 with Acoustilay 8
58
52
30
Maxi Dropped 30
56
48
56
Maxi 30 - Beam and Block
51
47
52
Fire Independent testing was in
accordance with BS EN ISO 140:
Parts 4 and 7, rated to
BS EN ISO 717: Parts 1 and 2.
Sound Acoustic performance is
shown in the table below.
Maxi 30 - Beam and Block ceiling
Description Designed for
installation below a beam and block
floor, this version of the
Maxi 30
ceiling comprises 50 x 50 mm
battens fixed to the underside of the
floor at 600 mm centres, with 50 mm
Rockwool slabs friction fitted
between the battens. Resilient bars
are fixed across the battens at
400 mm centres and a
Maxiboard
fixed to the bars using SRS Maxi
screws.
Fire Maxi 30 - Beam and Block
ceilings achieve 1 hour fire
resistance to BS EN 1365-2.
Sound Acoustic performance is
shown in the table left.
SUPPLY
Products are supplied via a
nationwide network of distributors,
details of which are available from
the company.
SERVICES
Services to specifiers comprise
technical advice, product design and
acoustic testing.
REFERENCES
Further information on sound
reduction systems for floors and
walls is available in Sections (23)
and (42) of this edition of the RIBA
Product Selector.
Information on Soundblocker,
Impactafoam, Soundstop,
Soundseal, Soundbar 53, Acoustilay,
SubPrimo and Coustifoam is
available from the company.
Fire Maxi 30
achieves ½ hour
fire resistance to
BS EN 1365-2.
Independent
testing was in
accordance with
BS EN ISO 140:
Parts 4 and 7,
rated to BS EN
ISO 717: Parts 1
and 2.
Sound Acoustic
performance is
shown in the
table below.
Maxi 60 ceiling
Description
The
Maxi 60
ceiling
comprises
100 mm
Rockwool RW
slabs between
the floor joists,
Maxi resilient
bars fixed to the
underside of the
joists at 300 mm centres, a
Maxiboard fixed to the bars using
SRS Maxi screws and a single layer
of 12.5 mm fire rated plasterboard
fixed below. Joints are sealed with
SRS Gripfix and the perimeter
finished with a bead of SRS acoustic
sealant.
Fire The Maxi 60 system achieves
1 hour fire resistance to BS EN 1365-2.
Independent testing was in
accordance with BS EN ISO 140:
Parts 4 and 7, rated to
BS EN ISO 717: Parts 1 and 2.
Sound Acoustic performance is
shown in the table below.
Maxi Dropped ceiling
Description The Maxi Dropped
ceiling comprises a Maxi 30 ceiling
installed on 50 x 50 mm battens
below an existing plasterboard
ceiling.
Maxi 60 Ceiling System - 1 hr fire rated