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ASTM F2170 vs. F1869: Which Concrete Moisture Test Fits Your Project?
F2170 vs. F1869 at a Glance ASTM F2170 measures internal relative humidity inside a concrete slab using in-situ probes, while ASTM F1869 measures surface moisture
Our Most Popular Articles
Data Center ESD Flooring: Standards, Grounding, and Slab Requirements
Why Data Center Flooring Must Be Engineered as a System, Not a Finish Selection Data center flooring performs four jobs at once: electrostatic discharge (ESD)
FF/FL Floor Flatness Explained: How the Numbers Are Calculated
FF and FL Are Measurements, Not Descriptions FF (Floor Flatness) and FL (Floor Levelness) are dimensionless statistical outputs generated by a defined test procedure, not
Fireproof Flooring Isn’t a Code Term: Fire Rating Terminology Guide
Why “Fireproof Flooring” Isn’t a Code Term No adopted building code defines “fireproof flooring.” Search the International Building Code, NFPA 101, or any state amendment
Flooring Mock-Up Best Practices: A Field Checklist for Contractors
What a Flooring Mock-Up Is Actually Supposed to Prove A flooring mock-up is a controlled trial installation, built and measured against written acceptance criteria, that
The Hidden Costs of Poor Floor Flatness in Warehouses
Why Floor Flatness Is a Financial Issue, Not Just a Finishing Issue Poor floor flatness costs money in five categories: equipment wear, labor productivity, safety
Moisture Meter Accuracy in Fall: What Changes and Why (2024 Guide)
Last updated: October 2024. This piece now is reviewed and re-dated every fall to reflect current ASTM editions, manufacturer guidance, and seasonal field conditions across
What 3D Imaging Data Can (and Can’t) Tell You About a Concrete Floor
What 3D Imaging Actually Measures on a Concrete Floor 3D imaging (laser scanning, structured light, or photogrammetry) captures thousands to millions of individual elevation points
When to Test Concrete Moisture: A Construction Timeline Guide
Why Moisture Testing Timing Is a Schedule Risk, Not Just a QA Checkbox Concrete moisture testing determines whether a slab has dried enough to accept
Risks of Skipping Concrete Moisture Testing Before Flooring
Why Concrete Moisture Testing Gets Skipped, and Why That’s a Costly Assumption Concrete moisture testing gets skipped most often because of schedule pressure, not ignorance.
ASTM F1869 vs. F2170: Is Calcium Chloride Testing Still Valid?
What Each Test Actually Measures: F1869 vs. F2170 at a Glance ASTM F1869 measures moisture vapor emission rate (MVER) at the slab surface using calcium
Scan-to-BIM vs. FF/FL Testing: What Point Clouds Miss About Slabs
How Scan-to-BIM Fits Into As-Built Documentation Today Scan-to-BIM is a standard field workflow in which a survey team captures a point cloud on site, indexes
How to Specify FF/FL Floor Flatness and Levelness Correctly
Why FF/FL Replaced the Straightedge, and Why It Matters for Your Spec Floor flatness (FF) and levelness (FL) numbers are the statistical replacement for the
