Surtec - Wet Film Thickness Gauge
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Description
Wet Film Thickness Gauge – Description and Uses
A wet film thickness gauge is a simple, handheld tool used to measure the thickness of a wet coating, such as paint, waterproofing membranes, adhesives, or sealants, immediately after application and before it begins to dry or cure. It typically consists of a metal or plastic body with a series of notched or stepped teeth, each marked with a specific thickness measurement (usually in microns or mils).
The tool is pressed firmly into the wet coating until it contacts the substrate. The last tooth that gets coated indicates the actual wet film thickness. The teeth that do not touch the coating show where the material is too thin.
Uses of a Wet Film Thickness Gauge
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Quality Control:
Ensures the applied coating meets the manufacturer's recommended film build for performance and durability. -
Coverage Verification:
Helps calculate if the correct amount of material has been applied, based on theoretical coverage rates. -
Avoiding Over/Under Application:
Prevents issues like excessive drying time, cracking, or poor adhesion caused by applying too much or too little product. -
Compliance Checks:
Verifies that coating work meets industry standards or project specifications, especially in waterproofing, painting, or protective coating systems. -
Troubleshooting:
Aids in diagnosing coating failures by confirming if the film thickness was appropriate during application.
