Mold Prevention Treatments
After cleaning, or on new lumber, a protective treatment can slow mold growth on the surface. We apply it to joists and subfloor once the wood is clean and dry, and explain that it works best together with a dry, sealed space and not in place of one.

- Applied toClean, dry wood
- MethodSpray or brush
- Works best withA dry, sealed space
- ResultAdded surface protection
What is included
- 1An extra layerHelps wood resist new growth.
- 2Clean and tidyApplied evenly and neatly.
- 3Honest scopeA helper, not a substitute for drying.
- 4Planned with the systemPart of a full fix.
From the first call to a dry crawl space
Our partner experts repair and protect crawl spaces in cities across the country. Find yours below and ask for a free estimate.
- 1PrepWood is cleaned and dried.
- 2ApplyThe treatment is sprayed or brushed on.
- 3CureIt is left to dry as directed.
- 4CheckWe inspect coverage.
Is this the right service for you?
- A crawl space after mold cleanup
- New lumber or sistered joists
- A home in a humid area
- Owners who want an extra layer of protection
Common questions
Is it a substitute for drying?
No. Moisture control comes first, and a treatment adds protection.
Is it safe?
We use products made for the job and follow their directions.
How long does it last?
It depends on the product and the conditions, and we explain it for yours.
Services that pair with this one
Mold RemediationContained, careful removal of mold from joists and subfloor, followed by drying and sealing the cause.See the service
Crawl Space Dehumidifier InstallationA dehumidifier made for crawl spaces, sized to the space and set to drain on its own.See the service
Wood Rot RepairCut out the soft wood, fix the moisture and fit new lumber so the rot does not come back.See the service Find your city
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Call or text, or send the form for your free estimate. Tell us what you notice, from smells and cold floors to water and sagging.
