
GPI Labs is a full-service materials testing and analytical laboratory specializing in paint and coating systems. Our staff of highly qualified industry experts has extensive knowledge of protective coatings and product testing We offer an array of techniques to characterize products’ chemical and physical properties and to evaluate their durability and functionality.
An independent 3rd party testing lab, GPI is accredited to ISO 17025 by the American Association for Laboratory Accreditation (A2LA). Our testing services include product characterizations, environmental heavy metals, physical testing, forensic investigations, and accelerated weathering.
Accurate physical testing and accelerated weathering starts with quality surface preparation and coating application. Our technicians can prepare and coat the test panels required for almost any testing project.

RCRA regulated metals including Lead, Chromium, Cadmium, Arsenic, Selenium, Silver, Barium, and Mercury
- TCLP (EPA Method 1311) testing for leachable metals in waste
- Spent Abrasives, Soils, Job Site Waste
- Paint Chip Samples (EPA Method 3050)
- Pre-job evaluation of heavy metals content
- Soil (EPA Method 3050)
- Residential soil testing for lead or other metals
- Job site baseline and post-job evaluation of heavy metals content
Air Monitoring Filter Testing
- High Volume filters (PM10 or TSP)
- 37mm cassettes from laborer or ambient monitoring
- Analysis for Heavy Metals (Lead, Chromium, Cadmium, Arsenic, etc) or Particulates
Dust Wipe Analysis
- Lead content on residential dust wipe samples
- Job Site heavy metals contamination testing by dust wipes
Chemical Analysis of Products
- VOC (EPA Method 24)
- Epoxide / Amine / Isocyanate Content
- Solvent Analysis
- Heavy Metals Content

Slip & creep
- RCSC Specifications
- Structural Joints Using High-Strength Bolts
Salt spray
- ASTM B117
- ASTM G85
- ISO 9227
Volatile & nonvolatile contents of coatings
Adhesion testing
- ASTM D4541
- ASTM D3359
- ISO 2409
- ISO 4624

Custom Testing Coupons to meet your project specifications
- Welded elements
- Fasteners
- Various substrates (Carbon Steel, Aluminum, Weathering Steel, Stainless, etc.)
- New or weathered surfaces
Abrasive Blasting
- Wide range of abrasives available
- Surface cleanliness and anchor profile to meet project needs
Coating Application
- Experienced application technicians
- HVLP, Airless, Conventional, and Plural Component Airless Spray Equipment
- Environmental chambers available for controlled curing conditions