The slab

Moisture testing

If the bid skips the test, the bond is a guess.

This is an independent referral guide. It connects homeowners with independent providers and may receive compensation. It is not a licensed contractor and it does not do the work.

Ask which test and what the product allows

Installers use calcium chloride vapor tests or in slab relative humidity probes. The number that is acceptable depends on the product. This site will not invent a passing score.

A garage in South Oceanside with the door open to marine air and a garage in Morro Hills on a rural pad can both fail a coating if the concrete is damp. The test is the way to know.

Keep reading

Epoxy coatingsA resin build coat, usually with a top layer. It needs a clean, dry, profiled slab.Polyaspartic and polyureaFaster systems used as topcoats or as the whole floor. They still fail on a wet or dirty slab.Oceanside neighborhoodsNeighborhood notes and city or county edges.Local guidePermits and local planning.

Questions on this service

Can a primer fix a wet slab?

Some systems include a moisture mitigation primer. It is a specific product with limits, not a slogan. Ask for the name and the limit.

Describe the garage

Say the neighborhood, one bay or more, and whether a coating is already peeling.

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