VaporShield 125 Moisture Vapor Primer - Clear

Dymond VaporShield 125 is a high-performance, two-component, 100% solids epoxy primer designed to control moisture vapor emissions in concrete substrates. It helps mitigate moisture-related failures, supporting the long-term durability of floor coatings, tile, vinyl, and other surface treatments. Meeting ASTM F3010 requirements, this primer provides superior protection against moisture vapor transmission up to 20 lb/24hr/1000 ft².
 
Key Benefits

Forms a strong moisture barrier for concrete floors
100% solids, zero VOC formula
Controls moisture vapor emissions up to 20 lb/24hr/1000 ft²
Meets ASTM F3010 standards for vapor permeance
High adhesion strength – bonds deeply to concrete
Compatible with a variety of topcoats and flooring systems
Can be applied to properly prepared surfaces with a minimum CSP3 profile

 
Recommended Uses

Industrial and commercial flooring applications
Vapor mitigation before installing tile, vinyl, carpet, or polymer coatings
High-moisture environments requiring moisture-resistant flooring

 
Technical Data

Solids by Volume: 100%
Mix Ratio: 9.25:4.15 (by weight)
Film Thickness: 17 mils
Coverage: ~100 sq. ft. per gallon @ 17 mils
Pack Sizes & Coverage:

1.5 Gallon Kit: ~150 sq. ft.
3 Gallon Kit: ~300 sq. ft.
15 Gallon Kit: ~1500 sq. ft.

Application Temperature: 60°F - 90°F (RH below 90%)
Cure Time (70°F, 50% RH):

Tack-Free: 6-10 hours
Recoat Window: 12-16 hours
Full Cure: 3-7 days


 
For detailed installation & mixing instructions, click here.