Before Switching a Spray Rig from Epoxy to Polyurea
Plan an epoxy-to-polyurea spray-rig changeover with material history, equipment-specific instructions, supplier compatibility review and a documented release decision.
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Articles
Written technical and business coverage from the show: chemistry, application, the business side, and the standards that govern all of it.
Before the Thickness Readings: Make the Gauge Check Traceable
Make coating thickness measurements easier to audit by separating calibration evidence, field verification, substrate adjustment and the response to a failed gauge check.
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Reporting a Coating Problem: What to Send Before Assigning a Cause
Build a useful coating-problem inquiry with clear observations, a timeline, location-linked photos, project records, and an agreed evidence-preservation plan.
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Before the Spray Rig: A Receiving Check for Coating Materials
Check coating deliveries for product identity, lot records, container condition, shelf life, and storage history before releasing material to the spray rig.
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Restarting a Coating Job After a Weather Delay: What to Recheck
A practical restart checklist for weather-delayed coating work, covering exposure records, fresh site readings, surface condition, recoat timing, equipment checks, and release responsibility.
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What a Coating Mock-Up Should Prove Before the Full Job Starts
Plan a coating mock-up around clear decisions, representative conditions, separate appearance and test acceptance, and a usable approval record.
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The Coating Handover File: What to Leave Behind When the Rig Rolls Out
A practical field guide to coating handover records: system details, inspection results, repairs, return-to-service instructions, and maintenance information the owner can actually use.
ReadChemistryWhy Polyurea Sets in Seconds
Why Polyurea Sets in Seconds, and What That Speed Costs You
Polyurea gels in seconds because amines react with isocyanates far faster than polyols do. That speed buys moisture tolerance and same-day return to service, and it costs you flow-out, recoat windows, and any forgiveness for bad prep.
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Building a Coating Business From One Truck
Most coatings businesses start with one truck, one rig, and one person answering every call. The four transitions that decide whether it grows past that, and the ceiling that shows up at each one.
ReadStandardsReading a Coatings Data Sheet Without Getting Fooled
Reading a Coatings Data Sheet Without Getting Fooled
A technical data sheet is a marketing document constrained by honesty, and there is room inside that constraint. How to read test methods, durometer scales, adhesion figures, and chemical resistance charts without being misled.
ReadApplicationThe Coating Did Not Fail
The Coating Did Not Fail. The Prep Did.
When a coating delaminates, the failure surface usually tells you the coating never bonded at all. The four preparation failures behind most of it, how to test for them, and why prep is where bids get cut.
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Polyurea, Polyurethane, and Hybrids: What the Categories Actually Mean
Polyurethane is isocyanate plus polyol. Polyurea is isocyanate plus amine. Hybrids blend both. What that difference does to moisture sensitivity, working time, recoat windows, and UV behavior, and how to specify around it.
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Off-Ratio: How Proportioner Drift Ruins a Tank of Material
Off-ratio material sprays normally and fails later. What resin-rich and isocyanate-rich films actually do, the five sources of ratio drift, and the ten-minute check that catches all of them.
ReadBusinessWhat Contractors Get Wrong When Bidding Containment Work
What Contractors Get Wrong When Bidding Containment Work
The low bid on containment work is usually wrong in the same three places: thinned prep, details priced by square foot, and confined-space access nobody scoped. What to walk, what to count, and what to put in the bid.
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