Trade Epoxy Guides
Moisture and Concrete Guides
A slab that reads wrong will fail a coating no matter how good the product is. These guides cover testing it properly, reading the number against a real limit, and what to do with the answer.
- 🧪
How to Test Concrete Moisture
The test is days of waiting around a few minutes of work, so it cannot be booked for the morning of the pour. What has to be true before you drill, and what quietly invalidates a reading.
- 🛡
Do You Need a Moisture Vapor Barrier? How to Size One
Test before you guess, then size the barrier once a moisture reading actually calls for one.
- 🌡
The 5°F Dew Point Rule for Coating Concrete
The slab is colder than the air, and it is the slab that gets wet. What the rule asks, and what to do when a morning fails.

