What We Do

Tests we regularly provide are listed below, and are grouped into the following categories:

Geomembranes, Geotextiles, GCLs, Geocomposites, Geogrids, Interface Shear Strength, Durability, Plastics/Rubber, Textiles, Waterproofing Sheets, Pipes & Accelerated Weathering.


The tests marked (U) are UKAS Accredited.  Click here for our current Schedule of Accreditation.  Other technically equivalent tests to those accredited can also be provided as accredited under our flexible scope.  Please contact us for more information.


If there is a test you require that does not appear on this list please do not hesitate to contact us, we have a wide range of test equipment and expertise available.


Asperity Height  ASTM D7466 (U), GRI GM12 (U)

Carbon Black Content  ASTM D1603 (U), ASTM D4218 (U)

Carbon Black Dispersion  ASTM D5596 (U)

Density ASTM D1505 (U), ASTM D792, EN ISO 1183

Dimensional Stability  ASTM D1204 (U)

Melt Flow Index  ASTM D1238 (U), BS EN ISO 1133 (U)

Stress Crack Resistance  ASTM D5397 (U), EN 14576

Oxidative Induction Time ASTM D3895 (U), BS EN ISO 11357-6 (U)

Oxidative Induction Time (High Pressure)  ASTM D5885

Permeability to Liquids  BS EN 14150

Puncture Resistance  ASTM D4833 (U)

Pyramid Puncture BS EN 14575 (U)

Qualification Testing of Welders  BS EN 13067 (U)

Seam Properties ASTM D6392 (U), ASTM D4437 (U)

Tear Resistance  ASTM D1004 (U), BS ISO 34-1 (U)

Tensile Properties  ASTM D6693 (U), ASTM D638 (U), ISO 527-3 (U)

2% Secant Modulus  ASTM D5323 (U)

Thickness ASTM D5994 (U), ASTM D5199 (U), BS EN ISO 9863-1 (U)

UV Resistance  ASTM D7238 (U)

Welded Joints BS EN 12814-4 (U)



Characteristic Opening Size  BS EN ISO 12956 (U), ASTM D4751 (U), AS 3706.7 (U)

Pore Size Characteristics  ASTM D6767, ASTM F316 

Cylinder Test  EA Methodology LFE2 (U), BS EN 13719 (U)

Protection Efficiency  BS EN 13719 (U)

Grab Breaking Strength  ASTM D4632 (U)

Mass per Unit Area  ASTM D5261 (U), BS EN ISO 9864 (U), AS 2001.2.13 (U)

Drop Cone Perforation Resistance BS EN ISO 13433 (U), AS 3706.5 (U)

CBR Puncture Resistance  BS EN ISO 12236 (U), ASTM D6241 (U), AS 3706.4 (U)

Trapezoid Tear Resistance  ASTM D4533 (U), AS 3706.3 (U)

Tensile Properties  BS EN ISO 10319 (U), ASTM D4595 (U), AS 3706.2 (U)

Tensile - Strip AS 2001.2.3.1 (U)

Thickness  ASTM D5199 (U), BS EN ISO 9863-1 (U), AS 2001.2.15 (U)

Water Permeability & Permittivity  BS EN ISO 11058 (U), ASTM D4491 (U), AS 3706.9 (U)



Montmorillonite Content Methylene Blue  API RP 13l (U), CUR33 (U), VDG P69 (U)

Fluid Loss ASTM D5891 (U)

Free Swell ASTM D5890 (U)

Grab Strength  ASTM D4632 (U)

Index Flux/Hydraulic Conductivity  ASTM D5887 (U), ASTM D5084 (U)

Hydraulic Properties with Solutions ASTM D6766 (U)

Mass per Unit Area  ASTM D5993 (U), BS EN 14196 (U)

Moisture Content  ASTM D4632 (U), ASTM D2216 (U), AS 1289.2.1.1 (U)

Montmorillonite Content  XRD Analysis

Peel Strength  ASTM D4632 (U), ASTM D6496 (U)

Water Absorption  DIN 18132 (U) Enslin Neff, BS EN ISO 10769 (U), ASTM E946 (U)

Tensile Strength  ASTM D6768 (U)


Geosynthetic Clay Liners

Compressive Strength  ASTM D1621, ASTM D6364

In Plane Water Flow  BS EN ISO 12958 (U), ASTM D4716 (U)

Water Permeability  BS EN ISO 11058 (U), ASTM D4491 (U)

Mass per Unit Area  ASTM D5621 (U), BS EN ISO 9864 (U)

CBR Puncture Resistance  ASTM D4833 (U), BS EN ISO 12236 (U)

Tensile Properties  BS EN ISO 10319 (U), ASTM D4595 (U)

Thickness  ASTM D5199 (U), BS EN ISO 9863-1 (U)

Junction Strength  BS EN ISO 13426-2 (U)

Internal Shear Strength ASTM D5321 (U)



Mass per Unit Area  ASTM D5621 (U), BS EN ISO 9864 (U)

Tensile Properties  ASTM D6637 (U), BS EN ISO 10319 (U)

Thickness  ASTM D5199 (U), BS EN ISO 9863-1 (U)

Junction Strength  GRI GG2

Aperture Size In House Method



Geosynthetic v Soil Interface  ASTM D5321 (U)

Geosynthetic v Geosynthetic Interface  ASTM D5321 (U)

GCL Internal Shear Strength  ASTM D6243 (U)

GCL Interface Strength  ASTM D6243 (U)

Shear Strength (Large Shear Box) BS 1377-7

Coefficient of Friction and Adhesion Specification for Highway Works Volume 1, Series 600

Geosynthetics Friction Characteristics BS EN ISO 12957-1 (U)

Geosynthetics Friction Characteristics as modified by Geosynthetic Landfill Guidance Group - Industry Code of Practice, LGG 115, February 2018 (U)

Shear Strength


Resistance to Oxidation  BS EN ISO 13438 (U)

Resistance to Weathering UV  BS EN 12224 (U), ASTM D4355, ASTM D7238 (U)

Microbiological Resistance  BS EN 12225

Resistance to Liquids  BS EN 14030, BS EN 14414, DD ENV ISO 12960

Resistance to Leaching  BS EN 14415

Resistance to Roots  PD CEN/TS 14416

Durability assessment  BS EN 12226



Water Absorption  ASTM D570, BS EN ISO 62

Water Vapour Transmission  ASTM E96, BS EN 1931

Trouser Tear  BS 2782-3

Carbon Black Content  BS 2782-4

Flexural Properties  BS EN ISO 178

Tensile Properties  BS EN ISO 527-1 (general)

Tensile Properties  BS EN ISO 527-2 (moulded and extruded)

Tensile Properties  BS EN ISO 527-3 (films and sheets) (U)

Tensile Properties ASTM D7275 (U)

Apparent Density  BS EN ISO 845

Tensile Properties  BS EN ISO 1421, BS EN ISO 1798

Linear Dimensions  BS EN ISO 1923

Tear Resistance  BS EN ISO 4674-1, BS ISO 34 (U)

Resistance to Environmental Stress Cracking  BS EN ISO 22088-2

Glass Transition Temperature  BS ISO 11357-2

Transmission Rate of Volatile Liquids  ISO 6179

Plastics / Rubber


Identification of textile fibres (Melt Point)  ASTM D276

Break Force and Elongation  ASTM D5035

Soil Burial Test  BS EN ISO 11721-1

Test Methods for Coated Fabrics  ASTM D751

Textile Tensile Properties  BS EN 29073-3, BS EN ISO 13934-1, BS EN ISO 13934-2

Mass Per Unit Area ASTM D3776 (U)



Dimensional Stability  BS EN 1107-2

Ageing by UV, Heat and Water  BS EN 1297 (U), EOTA TR 10

Thickness and Mass  BS EN 1849-2 (U)

Resistance to Tearing  BS EN 12310-2

Resistance to Impact  BS EN 12691

Resistance to Static Loading  BS EN 12730

Water Tightness  BS EN ISO 1928 Method A (U)

Water Vapour Transmission ASTM E96, BS EN 1931

Transmission Rate of Volatile Liquids  ISO 6179


Waterproofing Sheets

Resistance to external blows  BS EN 744

Joint Bend Test  BS EN 12814-1

Joint Peel Test  BS EN 12814-4

Tensile Test  BS EN 12814-7, ASTM D2290, ISO 6259-1 & 2

Butt-fused Tensile Strength  ISO 13953

Peel de-cohesion Test  ISO 13954

Plastic exposure to UV Light BS EN ISO 4892-3 (U), ASTM D4329, DIN 53384

Plastic exposure to UV Light UNE 53. 104, JIS K 7350, ASTM D4329, BS 2782-5

UV Exposure to non-metallic Materials  ASTM G154, SAE J2020

UV Exposure to Paint and Related coatings EN ISO 11507, ASTM D4587

Rubber exposure to UV Light ASTM D750, ASTM D1148

Textile exposure to UV and Moisture AATCC 186, ACFFA Colourfastness

Weathering of Bituminous Materials ASTM D4799



Accelerated Weathering