Schedule of Accreditation
issued by
United Kingdom Accreditation Service

Accredited to
ISO/IEC 17025:2005

Materials/Products Tested:
BUILDING ELEMENTS (Laboratory)
Separating elements including partitions, doors, windows, walls, floors, facade constructions, other panels, ventilators, grilles, cable raceways, etc.

Types of Test/Properties Measured:
Laboratory measurement of airborne sound insulation of building elements
(The properties measured are the Sound Reduction Index, Element Normalised Level Difference and related factors)

Standard Specifications/Techniques Used:
BS EN ISO 140-3:1995
BS EN ISO 717-1:1997
BS EN 20140-10:1992
BS 2750:Part 3:1995
ISO 140-10:1991

ASTM E90-90
ASTM E413-87
The Building Regulations 1991
Approved Document E
The Building Regulations 2000
Approved Document E:2003
Noise Insulation Regulations
(Schedule 1 Part III)


Materials/Products Tested:
BUILDING FINISHES (Laboratory)
Including ceiling panels, wall panels, carpets, curtains, proprietary or purpose made sound absorbent materials, and other room contents including seating, screens, and space absorbers.

Types of Test/Properties Measured:
Measurement of sound absorption in a reverberation room
(The properties measured are Sound Absorption Coefficients for plane absorbers or the equivalent sound absorption areas for discrete objects)

Standard Specifications/Techniques Used:
BS EN ISO 354:2003
BS EN ISO 11654:1997


Materials/Products Tested:
FLOORS AND FLOOR SYSTEMS (Laboratory)

Types of Test/Properties Measured:
Laboratory measurement of impact sound insulation of floors
(The properties measured are the Normalized Impact Sound Pressure Levels and related factors)

Standard Specifications/Techniques Used:
BS EN ISO 140-6:1998
BS EN ISO 717-2:1997


Materials/Products Tested:
FLOOR FINISHES (Laboratory)

Types of Test/Properties Measured:
Laboratory measurement of the reduction of transmitted impact noise by floor coverings
(The properties measured are the Reduction of Impact Sound Pressure Level with and without the floor covering)

Standard Specifications/Techniques Used:
BS EN ISO 140-8:1998
BS EN ISO 717-2:1997


Materials/Products Tested:
MACHINES (Laboratory)

Types of Test/Properties Measured:
Determination of noise emission from small movable equipment/machines, based on sound pressure level measurements in a reverberant field
(The property measured is the Sound Power Level)

Standard Specifications/Techniques Used:
BS EN ISO 3743-1:1995


Materials/Products Tested:
ROAD TRAFFIC NOISE BARRIERS (Laboratory)

Types of Test/Properties Measured:
Laboratory measurement of the acoustical performance of barriers, both sound absorption and sound insulation
(The properties measured are the Sound Absorption Coefficients and the Sound Reduction Index, with single figure ratings derived from a specified traffic noise spectrum)

Standard Specifications/Techniques Used:
BS EN 1793-1:1998
BS EN 1793-2:1998
BS EN 1793-3:1998


Materials/Products Tested:
BUILDING ELEMENTS (Site)
Such as partitions, walls, floors and facades

Types of Test/Properties Measured:
Field measurement of airborne sound insulation, ie Level Difference and related factors

Standard Specifications/Techniques Used:
BS EN ISO 140-4:1998
BS EN ISO 140-5:1998
BS EN ISO 717-1:1997
The Building Regulations 1991
Approved Document E
The Building Regulations 2000
Approved Document E:2003


Materials/Products Tested:
FLOORS (Site)

Types of Test/Properties Measured:
Field measurement of impact sound insulation of floors between rooms, ie Impact Sound Pressure Level and related factors

Standard Specifications/Techniques Used:
BS EN ISO 140-7:1998
BS EN ISO 717-2:1997
The Building Regulations 1991
Approved Document E
The Building Regulations 2000
Approved Document E:2003


Materials/Products Tested:
MACHINERY (Site)
 Such as compressors, power generators, welding generators etc

Types of Test/Properties Measured:
Determination of noise emission from machinery based on sound pressure level measurements in a free field over a reflecting plane
(The property measured is the Sound Power Level)

Standard Specifications/Techniques Used:
BS EN ISO 3744:1995


Materials/Products Tested:
LAWNMOWERS (Site)

Types of Test/Properties Measured:
Determination of noise emission from lawnmowers based on sound pressure level measurements in a free field over natural grass
(The property measured is the Sound Power Level)

Standard Specifications/Techniques Used:
ISO 11094:1991


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