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ARMOVEX FSX Primer
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Description
Deep-Penetrating Bond Coat for Concrete & Masonry
ARMOVEX FSX Primer is a high-performance, water-based penetrating primer designed to lock into porous concrete and create a stable bonding surface for ARMOVEX coating systems. Its low-viscosity formulation penetrates deep into the concrete matrix, strengthening the surface and reducing dusting while promoting superior intercoat adhesion.
FSX Primer helps equalize porosity, improve wet-out of subsequent coats and enhance long-term system durability. It comes in clear or colored: choose Clear, Light Gray, Medium Gray, Dark Gray, Tan, Black or White. It is compatible with both profiled and properly cleaned porous concrete and is engineered for a wide range of interior and exterior applications.
Specifications
| System step | Primer (before BCX Base Coat) |
|---|---|
| Type | Water-based penetrating primer, single-component |
| Color | Clear, Light Gray, Medium Gray, Dark Gray, Tan, Black or White |
| Coverage | 400 sq ft per gallon |
| Dry time | About 30 minutes at 70°F |
| VOC | Zero VOC |
| Use | Interior & exterior |
| Sizes | 1 gal · 2.5 gal · 5 gal |
Where to Use It
- Residential garage floors and shops
- Basements and porous interior slabs
- Commercial and industrial concrete
- Exterior concrete receiving an Armovex coating system
Surface Prep
- Clean the concrete thoroughly to remove dirt, oil, grease and contamination. Use a concrete degreaser on heavily soiled areas.
- Make sure the surface is sound and free of sealers, curing compounds, laitance and other bond-inhibiting contaminants.
- Let the slab dry completely (24 hours recommended after washing).
- For moisture-prone or contaminated slabs, apply ARMOVEX DryLock first.
Application
- Prep the slab as described above.
- Apply FSX Primer evenly at approximately 400 sq ft per gallon. Coverage varies with concrete porosity.
- Let the primer dry (about 30 minutes at 70°F), then apply ARMOVEX BCX Base Coat.
- Clean tools with water.
FSX Primer is dry in about 30 minutes at 70°F. Cooler temperatures and higher humidity slow drying; for questions about your jobsite conditions, contact Armovex technical support.
Where It Fits in the Armovex System
The Armovex floor system is single-component from start to finish: FSX Primer → BCX Base Coat (clear or pigmented, with optional flake broadcast) → TCX Top Coat. On slabs with moisture or contamination concerns, start with ARMOVEX DryLock. No profile needed on properly cleaned concrete and no A and B components.
Frequently Asked Questions
What does FSX Primer do?
It penetrates porous concrete to strengthen the surface, reduce dusting, equalize porosity and improve adhesion and wet-out of the BCX base coat.
How much do I need?
FSX Primer covers approximately 400 sq ft per gallon. For example, a 400 sq ft floor needs about 1 gallon; very porous concrete may need more.
How long does FSX Primer take to dry?
About 30 minutes at 70°F. Allow longer in cooler or more humid conditions.
What colors does FSX Primer come in?
FSX Primer comes in clear or colored. Standard colors are Clear, Light Gray, Medium Gray, Dark Gray, Tan, Black or White, in 1, 2.5 and 5 gallon sizes.
Is it Zero VOC?
Yes. FSX Primer is water-based and Zero VOC.
Can I use it outdoors?
Yes. FSX Primer is engineered for interior and exterior applications.
Is a profile needed first?
Armovex is designed to bond to properly cleaned concrete with no profile needed. FSX Primer is also compatible with profiled concrete.