surface-preparation – Coatingpedia

Compressed Air Cleanliness

Why oil and water in compressed air ruin coating work, how to run the ASTM D4285 blotter test, and the coolers, separators and dryers that keep air clean.

5 min read

Surface Prep

Lead Paint Removal

How lead-based paint is removed from structures: testing, removal vs overcoating, methods, containment classes, OSHA worker protection and waste rules.

5 min read

Surface Prep

Hand Tool Cleaning

Hand tool cleaning to SSPC-SP 2: what it removes, tools and technique, the dull putty knife test, suitable coatings, limitations…

4 min read

Surface Prep

Dry Ice Blasting

Dry ice blasting explained: how CO₂ pellets clean, what they remove and leave behind, equipment, uses in coating work, limits…

5 min read

Surface Prep

Abrasive Blasting

How abrasive blasting cleans steel and cuts an anchor profile: blasting methods, abrasive choice, nozzle pressure, air quality, procedure and…

7 min read

Substrates

Coating Galvanized Steel (Duplex Systems)

Coating galvanized steel in duplex systems — zinc surface conditions, sweep blasting and pretreatment, compatible primers and avoiding saponification.

4 min read

Surface Prep

Waterjetting (High & Ultra-High Pressure)

High- and ultra-high-pressure waterjetting: pressure classes, WJ-1 to WJ-4 grades, flash rust, salt removal, equipment, procedure and safety.

5 min read

Testing

The Coating Inspection Checklist

A practical coating inspection checklist: pre-job review, surface prep, environmental checks, application, DFT, holidays, cure and documentation

4 min read

Surface Prep

Shot Blasting Concrete

How shot blasting prepares concrete for coatings: how the machines work, CSP ranges, shot selection, technique, limitations and quality checks.

6 min read

Surface Prep

Dust Contamination on Blasted Steel

How residual blast dust undermines coating adhesion, how the ISO 8502-3 tape test rates it, and practical ways to clean…

5 min read

Testing

Surface Profile Measurement Methods

Comparing surface profile methods — comparators, depth micrometers, replica tape and stylus — with procedures, sampling and common pitfalls.

5 min read

Surface Prep

Edge & Weld Preparation

Why edges and welds fail first, the ISO 8501-3 P1–P3 grades, NACE SP0178 weld designations, and how to round edges…

4 min read