GPI Labs provides independent testing of materials, coatings, and finished products, including salt spray and cyclic corrosion, humidity and condensation, gas corrosion, immersion and chemical resistance, accelerated UV weathering, and natural outdoor exposure. Services also include adhesion, abrasion, impact, hardness, color and gloss testing; analytical chemistry, heavy metals and elemental analysis; coating failure investigations; abrasive quality control and surface cleanliness verification; and structural bolting evaluations. The laboratory supports complete programs from specimen fabrication, surface preparation, and coating application through product qualification, batch quality assurance, comparative testing, post-exposure evaluation, and reporting.