Our system designed to protect any flooring from substrate vapor, moisture damage, prevent mold or mildew.
System is perfect for isolation and removal of mold and mildew odor’s.

Moisture Guard by Covalt is the only floor moisture  protection you will ever need!
Epoxy-Based Concrete Moisture Mitigation product that are cost-effective, ecologically sound and proven to work!

Epoxy Moisture Control System!

Moisture control is essential for a long lasting finished floor for commercial, industrial and residential structures. Our Moisture Guard by Covalt system reduces the amount of moisture vapor passing through a concrete slab way below the recommended levels from floor covering manufacturers. Meets all federal & state emission standards. System is perfect to protect from moisture ANY SURFACES: hardwood, carpet, vinyl, laminate, ceramic, marble, granite, and others.

Moisture Damage May Occur to Flooring Without Proper Concrete Preparation. Excessive moisture in concrete slabs can mean significant, expensive damage:

• Failure of the flooring adhesive
• Damage to the floor covering
• Formation of efflorescence salts
• Growth of mold and mildew

EXISTING: Moisture Guard is widely used in existing:
SCHOOLS • HOSPITALS • OFFICE BUILDINGS • MANUFACTURING FACILITIES, etc, where the moisture problems existed.

NEW CONSTRUCTION: Moisture Guard should be specified in new construction projects to prevent problems later, when facilities disruption would be less practical.

Moisture Guard by Covalt system can be applied to on-grade, above-grade or below-grade concrete subfloors with close to 95% reduction in moisture vapor transmission and mold/mildew odors. Not only will Moisture Guard by Covalt protect your flooring, but it will also save you time and money! We have limited lifetime warranties, 20-year, 10-year, and 5-year system warranties.

Avoid costly flooring failures due to moisture problems and improper subfloor preparation!

Moisture Guard is a two component, penetrating epoxy coating designed to bring moisture emission rates to acceptable levels for the flooring being installed. System combats flooring failures microbiological activity (mold and mildew) and other problems associated with excess moisture in the slab.
Applied system prevents buckling, delamination and failures in all types of costly flooring coverings, including vinyl, hardwood or carpets, and reduces or eliminates harmful vapor moisture transmission through any concrete foundation slabs & floors.


MIX RATIO A:B __________ 4:1
COLOR __________________ Amber
Viscosity, mixed _________ 90 cps
Solids, by volume _______ 85%
VOC* EPA Methods _____ Complient
SCAQMD Method 304 ___ Complient
Pot Life, 1 Gallon Mass __ Complient
ASTM D 2471
@ 50F ___ 8 Hours
@ 75F ___ 6 Hours
@ 90F ___ 4 Hours
Time Dry to Touch ___ 3 Hours
Recoat _______________ 3 Hours
Light Traffic __________ 8 Hours
Full Cure _____________ 24 Hours
Adhesion ACI503R ___ 300psi


• One Day Process in almost all cases
• Flooring can be install in 24 hours
• Meets all federal & state emission standards
• Helps prevent mold & harmful bacterial growthv
• Approved by the USDA

Do you need to have your concrete foundation flooring sealed?

Concrete foundation slabs can be waterproofed in several ways. Visit Our Foundation Sealing Page.

No Cost Project Inspection and Written Reports

We offer no cost project inspection and written reports for your waterproofing & concrete floor repair projects. For more information or project inspection contact us at (949) 496-3528 or fill out our quick form.

Mold/Mildew Odor Removal, Mold/Mildew Odor Protection, Moisture Guard, Subfloor Moisture Protection, Subfloor Moisture Removal

Official website for Moisture Guard for Covalt. All rights reserved.