All of our soils inspectors have been trained and certified to perform field density testing by the nuclear method using Troxler surface moisture-density gauges. Troxler density gauges provide the fast, accurate and consistent…

All of our asphalt inspectors have been trained and certified to perform field density testing by the nuclear method using Troxler surface moisture-density gauges. Troxler gauges provide the fast accurate consistent results necessary for…

Our ACI/ICC certified concrete inspectors are cross-trained for both plant and field inspections. Some of their placement duties include unit weights, air content, slump/flow, temperature monitoring and the casting of cylinder…

Our full service, ACI/ICC certified field inspectors are capable of both steel and epoxy coated rebar, for compliance with your project’s structural and shop drawings. STL is also capable of locating and mapping…

Our ICC certified masonry inspectors are experienced and well-trained in structural load bearing masonry construction consisting of CMU, brick, or glass block construction. Grouting inspection of low- and high-lift operations…

Our structural steel department is comprised of both level I and II certified UT, AWS certified, CWI and ICC certified inspectors. Our field capabilities include: • Plumbness • Metal Deck • Bolting • Bar Joist…

Our ICC certified inspectors are experienced with both Intumescent and spray-applied firestopping materials. Our pre-installation surface inspections necessary for both a quality finished project and performance…

For your project’s Special Inspection requirements, STL will review your drawings, specifications, Statement of Special Inspection (SSI) if available, or develop one for you in order to custom-design a program best suited …

Special Testing Labs is proud to announce our newest capability using the StructureScan Mini LT.  Reaching depths of up to 20 inches, this Ground Penetrating Radar (GPR) system for concrete…