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Acousta Tex - Concrete Acoustic Blocks

Name: Acousta Tex - Concrete Acoustic Blocks
Brand: Colinwell Masonry
SKU: 9cKmraLUAvVBpoTJo3GcxG

Verified by manufacturer 10 months ago

Colinwell Acousta Tex AT140

Colinwell Masonry

Third party certifications:

BBA Agrément Certificate
Certificate type
NSAI Agrément Certificate
Certificate type

Masonry blocks designed with a sound absorbing texture, to aid the control of sound reverberation.

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BOS

+44 (0)28 9061 8145 Website

Application

Suitable for use in the construction of external and internal loadbearing and non-loadbearing walls, including the inner and outer leaves of cavity walls, party walls, partition walls and boundary walls. They can also be used as reinforced masonry walls through incorporation of bed joint reinforcement. Other applications include:

Plant rooms.
Classrooms.
Lecture theatres.
Gymnasiums.
Swimming pools.
Arenas.
Factories.

Description

Textured face acoustic masonry blocks which provide high levels of sound absorption.

Manufactured from cement, specially sourced sound porous aggregates (65% recycled secondary aggregate content), an integral waterproofing and colour pigment.

Features and benefits:

Sound-absorbing texture.
Delivers a noise reduction coefficient (NRC) of 0.55 αw.
Effective sound control qualities, especially in the high-frequency sound range.
Satisfies the requirements of Building Bulletin 93 (BB93).
Minimal maintenance required.
Waterproof, and will retain a fresh, clean appearance.
Non-combustible, and will not contribute to the spread of flame.
Efflorescence-free.
CE-marked and manufactured in accordance with BS EN 771-3, BS 5628-1, ISO 9001 and ISO14001.
Can be used in conjunction with other Colinwell products, including EchoCheck acoustic blocks.

General information

Color	White Cream Green Red Beige
Finish	Smooth Guidance for specification option: Sound absorbing textured acoustic face.
Material	Concrete
Shape	Rectangle
Length	440 mm
Width	100 mm 140 mm 215 mm
Height	215 mm

Uniclass	Pr_20_93_52_01 Aggregate concrete blocksPrimary
CAWS	F10/18 Concrete facing blockwork F10/255 Concrete facing blockwork

Product range	Blocks

Specification data - Aggregate concrete blocks

Standard	To BS EN 771-3 and BS 5628-1.
Block description	Solid, cellular, sound absorbing textured face, porous aggregate, precast concrete blocks.
Compressive strength	-
Mean value	15 N/mm².
Thermal conductivity	1.28 W/m·K.
Recycled content	65%. Guidance for specification option: Secondary aggregate content.
Work sizes (length x width x height)	440 x 140 x 215 mm.
Accessory and special shape types	Not required. Bond-beam blocks. Cavity closers. Cills. Half blocks. Lintels. Quoins. Squints. Manufacturer guidance Non-standard components and specials may be cut from standard units, or, depending on quantity, manufactured to individual requirements. Consult manufacturer and insert requirements.
Tolerance category	D2. Guidance for specification option: To BS EN 771-5.
Reaction to fire	- Manufacturer guidance Non-combustible, and will not contribute to the spread of flame.

Colour	Bracken. Cream. Green. Honey. Natural. Red. Sandstone. Straw. Whinstone. White. Show more
Mortar type	Manufacturer standard. Maroon U53. Beige E74. Cream G89. Green N70. Tan C30. White J88. Orange T36. Yellow D10. Black L62. Show more Manufacturer guidance Refer to manufacturer recommended mortar in colour specification guidance.
Mortar mix	Guidance for specification option: See manufacturer's literature and insert requirements.
Joint	Guidance for specification option: See manufacturer's literature and insert requirements.
Spacing	6–10 m. Guidance for specification option: Spacing between control joint interval.
Weight	20 kg.
Material/ Finish	Concrete, textured acoustic face.
Efflorescence	None.
Average density	2100 kg/m³.
Noise reduction coefficient (NRC)	0.55 αw.
Sound absorption coefficient	125 Hz: 0.50, 250 Hz: 0.65, 500 Hz: 0.50, 1000 Hz: 0.50, 2000 Hz: 0.55, 4000 Hz: 0.55.
Shrinkage	<0.04% (drying). Guidance for specification option: To BS EN 772.4.
Water absorption	3–6%.
MoistureContent	3% (internally).
Bond strength	0.15 N/mm² (in shear). Guidance for specification option: To BS EN 998.2, Annexure C.
Moisture movement	0.15 mm/m (maximum).

Sustainability data

Country of material origin	United Kingdom
Country of product manufacture	United Kingdom
Recycled content As defined in clause 7.8 of BS EN ISO 14021	65 % Guidance for specification option: Secondary aggregate content.