company-logo

Underwood Engineering Inc.

Quality Control from The Ground Up!

materials-testing-pic

Materials Testing / Inspections


Tests are performed in accordance with the ACI, ASTM, ASSHTO, AWS, AISC and The Asphalt Institute testing and inspection procedures, codes and standards.


  • Pile Driving Inspections Evaluate pile-driving documentation, inspect piles and equipment prior to.

  • Soil and Aggregate Testing & Inspections Fill placement monitoring, density testing, geotechnical observations and many other soil related services.

  • Reinforcing Steel Inspection Verify that the reinforcing steel installation is in compliance with project drawings including size, grade, placement, clearance and coverage.

  • Concrete Testing & Inspections Concrete is inspected and tested to ascertain that all specified conditions meet the acceptable criteria by visual, mechanical, nondestructive or destructive methods.

  • Structural Masonry Testing & Inspections Structural Masonry is inspected and tested to ascertain that all specified conditions meet the acceptable criteria by visual, mechanical, nondestructive or destructive methods.

  • Structural Steel Inspections Structural Steel is tested by UEI’s qualified inspectors to ensure that all steel connections meet the specified criteria by visual, mechanical, nondestructive or destructive methods.

  • Bituminous Inspections Bituminous cores can be extracted up to an 8-inch diameter for thickness verification and related tests.

  • Roofing & Waterproof Lining Inspections of polymeric materials, built-up bituminous and modified bitumen sheets for roofing and waterproofing assemblies.

  • Fireproofing Identify the condition of the substrates, thickness of the application, density, bond strength, adhesion/cohesion, condition of the finished application and inspection of patching.

  • Paint Thickness Testing Paint thickness measurements are performed using magnetic and optical gauges with accuracy of up to 1/2 mils.

  • F Numbers for Floor Flatness Provide F-Numbers for floor flatness and levelness.

  • Floor Moisture Issues Analyze vapor emission issues with concrete slabs on grade.