Why adding extra thinner to cold epoxy causes problems, and how to warm material and stay inside data sheet limits.

Why a signed hold point protects the contractor, and how to plan inspections and keep your own daily readings.

Low-voltage wet sponge and high-voltage spark testing for tank and clarifier linings, when to test, and how to repair.

How to calculate theoretical coverage from volume solids and DFT, and why estimators need a loss factor from their own jobs.

Plastic sheet, calcium chloride and RH probe tests compared, typical moisture limits, and when to test a slab before coating.

Why coatings pull thin at edges and welds, and how a brushed stripe coat protects the places steel fails first.

Missing an epoxy's maximum recoat window can cause intercoat adhesion failure. What to do when the schedule slips.

What amine blush is, what causes it, and why it must be washed with warm water and detergent before sanding or recoating epoxy.

Why epoxy pot life shrinks with heat and batch size, with Tnemec Series N69 figures, and how crews should mix and mark kits.

Excess blast profile leaves rogue peaks that cause pinpoint rust and wastes coating. How to stay inside the spec range.

Why 5°F above the dew point is the minimum, not a safe margin, and how crews should read steel temperature through the day.

How a wet film gauge lets your crew fix film thickness on the current coat, and the WFT math for thinned coatings.