What We Do
Services
Tests we regularly provide are listed below, and are grouped into the following categories:
Geomembranes, Geotextiles, GCLs, Geocomposites, Geogrids, Shear Strength, Geosynthetic Cementitious Composite Mats, Durability, Plastics/Rubber, Adhesion, Textiles, Waterproofing Sheets, Pipes, Accelerated Weathering, Bitumen & Geonet.
The tests marked (U) are UKAS Accredited and those marked (F) are accredited under our flexible scope. Click here for our current Schedule of Accreditation. Tests which are technically equivalent tests to those which are accredited can 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.
Geomembranes
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 1183-2 (U)
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), ASTM D8117-21 (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 14574 (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)
Wide Strip Method ASTM D4885
Geotextiles
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), AS 2001.2.3.2 (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
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)
Geosynthetic Clay Liners
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), BS EN 16416 (U)
Hydraulic Properties with Solutions ASTM D6766 (U)
Mass per Unit Area ASTM D5993 (U), BS EN 14196 (U)
Moisture Content ASTM D4643 (U), ASTM D2216 (U), AS 1289.2.1.1 (U), ISO 11465:1993 (U)
Montmorillonite Content XRD Analysis
Peel Strength ASTM D4632 (U), ASTM D6496 (U)
Screening Clay for Chemical Compatibility ASTM D6141
Tensile Strength ASTM D6768 (U)
Water Absorption DIN 18132 (U) Enslin Neff, BS EN ISO 10769 (U), ASTM E946 (U)
Geocomposites
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)
Geogrids / Geonets
Mass per Unit Area ASTM D5621 (U), BS EN ISO 9864 (U)
Tensile Properties ASTM D6637 (U), BS EN ISO 10319 (U)
Geonet Tensile ASTM D7179-18 (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 1377-2
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)
Soil Compaction BS 1377-2
Shear Strength
Geosynthetic Cementitious Composite Mat (GCCM)
Flexural Strength ASTM D8058 (U)
Sample Preparation ASTM D8030/D8030M
Tensile Strength of GCCM ASTM D8480
Water Cementitious Ratio ASTM D8329
Durability
Artificial Ageing BS EN 1296:2001
Exposure to Liquid Chemicals BS EN 1847
Freeze Thaw BS EN 12467
Resistance to Oxidation BS EN ISO 13438 (U), BS EN 14575
Resistance to Weathering UV BS EN 12224 (U), ASTM D4355, ASTM D7238 (U)
Microbiological Resistance BS EN 12225
Oven Ageing ASTM D5721
Resistance to Hydrolysis BS EN 12447
Resistance to Liquids BS EN 14030, BS EN 14414, BS EN ISO 12960
Resistance to Leaching BS EN 14415
Resistance to Roots PD CEN/TS 14416
Durability assessment BS EN 12226
Plastics / Rubber
Apparent Density BS EN ISO 845
Bend Test BS EN 12814-1
Carbon Black Content BS 2782-4
Glass Transition Temperature BS ISO 11357-2
Flexural Properties BS EN ISO 178
Linear Dimensions BS EN ISO 1923
Resistance to Environmental Stress Cracking BS EN ISO 22088-2
Shear Resistance BS EN 12317-2
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 D882, ASTM D7275 (U)
Tensile Properties BS EN ISO 1421, BS EN ISO 1798
Tear Resistance BS EN ISO 4674-1, BS ISO 34 (U)
Trouser Tear BS 2782-3
Transmission Rate of Volatile Liquids ISO 6179
Water Absorption ASTM D570, BS EN ISO 62
Water Vapour Transmission ASTM E96/E96M, BS EN 1931
Adhesion
Peel Adhesion BS EN ISO 29862, BS EN ISO 29863
Peel Strength ASTM D903
Ply Adhesion ASTM D7005/D7005M
Textiles
Identification of textile fibres (Melt Point) ASTM D276 (withdrawn in 2021)
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 ISO 13934-1, BS EN ISO 13934-2
Non-Woven Tensile BS EN 29073-3, BS EN ISO 9073-3
Mass Per Unit Area ASTM D3776 (U)
Tensile Properties BS EN ISO 13934-1
Water Absorption BS ISO 20158
Waterproofing Sheets
Dimensional Stability BS EN 1107-2 (U)
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 Tearing (Nail Shank) BS EN 12310-1
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/E96M, BS EN 1931
Transmission Rate of Volatile Liquids ISO 6179
Pipes
Resistance to external blows BS EN 744 (withdrawn 2018)
Joint Bend Test BS EN 12814-1
Joint Peel Test BS EN 12814-4
Tensile Test BS EN 12814-7, ISO 6259-1 & 2
Butt-fused Tensile Strength ISO 13953
Accelerated Weathering
Plastic exposure to UV Light BS EN ISO 4892-3 (U), ASTM D4329
Plastic exposure to UV Light ASTM D4329, BS ISO 4582
UV Exposure to non-metallic Materials ASTM G154, SAE J2020
UV Exposure to Paint and Related coatings BS EN ISO 16474-3, 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
Bitumen
Resistance to Tearing (Nail Shank) BS EN 12310-1
Tensile Tear Strength ASTM D4073 (U)
Tensile Properties ASTM D7275 (U)