Description
Nothing can ruin masonry more than moisture penetration — and nothing smells worse than a damp, musty environment. Fortunately, Loxon® Water Blocking Primer/Finish helps to prevent this from happening by making interior masonry walls resistant to moisture while reducing odors. The end result is a uniform, quality finish that helps reduce odors and block moisture.
Material Use
Loxon Water Blocking Primer-Finish is a specialized acrylic polymer coating used as a primer and finish for sealing interior and exterior masonry walls against moisture penetration. It is ideal for both above-grade and below-grade interior use, as well as above-grade exterior applications. Additionally, it features odor-eliminating technology that actively helps reduce indoor odors.
System Components
- Primary Coating: Loxon Water Blocking Primer-Finish (2 coats recommended)
- Optional Topcoats:
- Interior: SuperPaint with Air Purifying Technology for improved wear and maintained odor-reducing properties.
- Exterior: Duration Exterior Latex Finish for enhanced durability.
- Primer Functionality: May act as both primer and finish but must be applied directly to bare surfaces for moisture-blocking efficacy.
Applications
- Surfaces: Interior/exterior masonry walls including block (C.M.U.), precast concrete, poured-in-place, and tilt-up concrete.
- Condition Tolerance: Can be applied over damp (not wet) surfaces and on substrates with pH up to 13.
Application Details
- Application Tools: Brush, roller (1/2" to 3/4" nap), airless spray (2000 psi, tip 0.017"-0.021")
- Coverage:
- Smooth surfaces: 200–300 sq. ft./gal
- Porous/rough surfaces: approx. 100 sq. ft./gal
- Film Thickness:
- Wet: 5.2–8.0 mils
- Dry: 2.4–3.6 mils
- Dry Times @ 77°F, 50% RH:
- Touch: 1 hour
- Recoat: 2–4 hours
- Topcoat: after 24 hours
- Recommended Coats: Two, with overnight drying for best results and pinhole-free finish.
Special Notes
- Temperature Limits: Apply only when temperature is above 40°F.
- Curing and Pot Life: No explicit pot life mentioned; shelf life is 36 months unopened. Drying is influenced by environmental conditions.
- Humidity Limits: Do not apply to wet surfaces; suitable for damp substrates only.
- UV Stability: Not specified as UV stable; not suitable for horizontal surfaces like floors and decks.
- Surface Prep: Must be applied to bare surfaces for optimal moisture sealing; removal of previous coatings is required.
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Additional Cautions:
- Not for horizontal use where water collects.
- Contains chemicals known to cause health hazards; use with adequate ventilation.
- Not photochemically reactive.
- Cleaning: Clean tools and spills with soap and water immediately after use.
https://www.sherwin-williams.com/painting-contractors/products/loxon-water-blocking-primerfinish
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