Safecoat MexeSeal Low-VOC Interior/Exterior Masonry Sealer
AFM Safecoat MexeSeal is a very low odor, water-based, medium-gloss, clear very low VOC masonry
sealer. It is suitable for use on porous interior tile or masonry surfaces where oil and water
repellency are desired. It is ideal for long-term protection against food, oil and water stains on
residential or commercial floors. It is suitable for re-coating many water-based sealers, and is
slip and scuff-resistant. Non-hazardous and non-flammable, it has been safely used by and for the
chemically sensitive.
AFM Safecoat MexeSeal is non-toxic, non-flammable, low-VOC sealant for
masonry, a total replacement for high-solvent content systems. Contains 36g/l of VOCs.
Usage
AFM Safecoat MexeSeal is recommended the following substrates:
- Unpolished marble.
- Limestone.
- Granite.
- Sandstone.
- Slate.
- Fireclay (brick, tile, terra cota, pavers).
- Concrete (brick, tile, precast panel, poured).
Always test in small, inconspicuous places before full application. Safecoat MexeSeal is generally not
suited for polished surfaces. Not recommended for use on modern Saltillo or quarry tiles without special
care. Saltillo or quarry tiles generally contain salts and other contaminants sensitive to the
application of water-based products. White efflorescence flushing may occur. It may be necessary to
repeatedly remove contamination and repeat the MexeSeal application until all contaminants are
extracted.
AFM Safecoat MexeSeal Masonry Sealer Advantages
- Hard, durable finish.
- Suitable for re-coating many water-based sealers.
- Good resistance to scuffing, black heel marks, oil, and water.
- Easy clean up with dry or damp mop.
- Dirt and foreign matter do not penetrate the treated surface.
- Safely used by and for the chemically sensitive.
- Fights indoor air pollution by sealing in outgassing from the substrate.
- Very low VOC content.
- Meets or exceeds all Federal and State air quality regulations, including California.
- Contains no formaldehyde.
Sizes
Sheen
Coverage
One gallon of AFM Safecoat Mexeseal covers approximately 300 square feet in one coat depending on
surface porosity.
Surface Preparation
Remove loose or peeling paint and scuff sand the surface (to create surface profile). All surfaces must
be clean, sound, dry, and free of any dirt, dust, oil, wax, grease, mildew, mold, and other contaminants
and debris. New cementitious surfaces should age at least thirty days and have a pH below 10 before
coating. Scrub the surface with a solution of SafeChoice Super Clean and water. Use 2-6 oz. of
SafeChoice Super Clean per gallon of water. Triple rinse to ensure cleaner is completely removed. For
the best adhesion on smooth surfaces with no surface profile, acid-etching may be required, followed by
completely neutralizing the surface. Use extreme caution when working with acid and follow label and
MSDS precautions. All acid residuals must be removed prior to coating. Surface pH should be 7-10 for
best results. Test surface porosity and profile by dropping water onto a dry surface. If water drops
fail to penetrate quickly, the surface may need additional attention to create a proper surface profile.
Test for surface cleanliness by applying strong tape (such as duct tape) to the cleaned areas and
pulling them back up. The tape must be clean and free of any concrete dust or dirt. If particles or a
white residue are still present, remove them completely with additional scrubbing, rinsing and possibly
etching.
Application
To assist in quick drying/curing, bring adequate ventilation and airflow to the work area. Before using,
stir Safecoat Mexeseal thoroughly but without excessive agitation so as to avoid air bubbles. Then apply
as is, using a squeegee brush, roller, sponge, or appropriate spray equipment. Apply in thin coats.
Allow at least 2 hours to dry between coats. For best results, this product should not be reduced. Two
or more coats may be needed depending on the porosity of the masonry product. Apply only to a completely
dry substrate. Correct application will often slightly deepen the color or existing surface. Note: these
instructions are intended to be general only and not exhaustive. The applicator should determine which
preparation and techniques are best suited to the specific surface.
More Information about AFM Safecoat MexeSeal
