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SW-04 · Techniques

Subfloors & Moisture

13 articles

Concrete, plywood and OSB preparation: flatness, moisture and pH testing, barriers and self-levelling.

TechniquesSubfloors & Moisture

2026 updates to concrete curing and LVP installation timelines

If you install LVP over concrete, you’ve seen it happen: the slab hits “28 days,” the GC wants floors down tomorrow, and your meter says “not so fast.” In 2026, that tension hasn’t gone…

Filed
10 Jan 2026
Length
1,289 w
Read
~6 min
TechniquesSubfloors & Moisture

How to spot hidden moisture in concrete slabs before LVP installs

A concrete slab can look dry, feel hard, and still hold enough moisture to wreck a luxury vinyl plank (LVP) install weeks later. That’s the trap. Moisture moves like smoke, it finds the path…

Filed
09 Jan 2026
Length
1,479 w
Read
~6 min
TechniquesSubfloors & Moisture

Understanding 2026 moisture testing standards for LVP installs

Moisture is the quiet troublemaker on LVP jobs. It doesn’t announce itself, it just shows up later as peaking seams, bubbles, loose adhesive, or that “mystery” odor the GC swears wasn’t there at turnover.…

Filed
08 Jan 2026
Length
1,427 w
Read
~6 min