Description
Loxon XP Masonry Coating is a direct-to-concrete and masonry high-build coating. Offers maximum performance in one less coat compared to conventional and there is no need for priming. The jobs go fast and the great look lasts a long time.
Material Use
Loxon XP is a high-build exterior waterproofing coating designed for use on concrete, stucco, concrete masonry units (CMU), and shotcrete/gunite. It offers superior flexibility, weather resistance, and protection against wind-driven rain. The material is especially effective in resisting alkalinity and efflorescence, making it ideal for new or existing cementitious substrates.
System Components
- Primary Topcoat: Loxon XP (1–2 coats)
- Primers/Conditioners:
- Optional for porous substrates: Loxon Block Surfacer or Loxon Conditioner
- Incidental Wood: Exterior Latex Primer
- Incidental Metal (steel, galvanized, aluminum): Pro Industrial Pro-Cryl Primer
- Sealants and Patches: Elastomeric patch or sealant for cracks, voids, and joints
Applications
- Vertical above-grade masonry and concrete surfaces
- CMU, stucco, split-face block, and tilt-up concrete
- Incidental use on properly prepared wood and metal
- Not suitable for horizontal surfaces or below-grade applications
Application Details
- Application Methods: Brush, roller, airless spray (tip: 0.021 in, pressure: 2300 psi)
- Temperature Requirements: Minimum application at 35°F and at least 5°F above the dew point; avoid use if rain or snow is expected within 2–3 hours
- Coat Thickness:
- Wet Mil Thickness: 17–21.5 mils per coat
- Dry Film Thickness: 6.5–8.2 mils per coat
- Total for Waterproofing System: 13–16.4 mils
- Maximum Wet Application: 40 mils
- Coverage: 75–95 sq. ft. per gallon per coat (varies with substrate texture)
- Recoat Time: 24–48 hours at 35–45°F; 24 hours at 45°F and above
- Pot Life: Not specified (material is water-based, not reactive)
- Curing Time: Touch dry in 4–6 hours depending on temperature
Special Notes
- UV Resistance: Not explicitly stated; intended for exterior use but UV stability should be confirmed for color retention
- VOCs: < 50 g/L (0.42 lbs/gal), compliant with major environmental standards
- Shelf Life: 36 months unopened
- Elongation & Flexibility: High elongation (308%) and flexibility with crack bridging up to 0.5 mm at -10°C
- Mildew Resistance: Yes, contains mildew-inhibiting agents
- Limitations:
- Not for use on horizontal surfaces exposed to water
- Not for below-grade use or surfaces subject to hydrostatic pressure
This product is best suited for vertical waterproofing of exterior masonry and concrete structures and can serve as both a base and finish coat in its system, with appropriate primers where needed for certain substrates.
https://www.sherwin-williams.com/painting-contractors/products/loxon-xp-waterproofing-masonry-coating
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