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Finestop RA
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FINESTOP RA is a ready-mixed flexible coating that is spray-, roller-, trowel- or brush-applied directly to approved wall substrates and functions as an air and water-resistive barrier. It provides excellent secondary moisture protection to Finestone Wall Systems and most other wall claddings. Finestop RA is listed in the ICC ESR-2186.
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| Features |
Benefits |
| Fluid-applied, continuous membrane |
Eliminates seams, lap joints and staples; transmits wind load directly to the substrate
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| Meets ICC-ES AC 212 water-resistive barrier tests |
One fully qualified air/water-resistive barrier material for the entire building |
| Meets requirements of ICC-ES AC 148 |
Use as a flexible flashing in rough openings or through-wall penetrations |
| Meets ASTM D 1970 Nail Sealability requirements |
Self-sealing |
| Approved for use under most wall claddings on mixed-cladding buildings |
Provides a seamless air and water-resistive barrier
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Compatible with Finestone adhesives
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Approved for Finestone adhesively-attached Water-Drainage EIFS |
| Spray-, roller-, trowel- or brush-applied |
Applicator friendly; quick application |
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Ready to use
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Speeds application |
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Water based
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Safe for workers and environment; easy to clean up |
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| Uses |
FINESTOP RA is used as an air/water-resistive barrier over the following exterior wall substrates:
- PermaBase™ brand cement board (or other ASTM C1325 Type A Exterior approved cement boards)
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ASTM C1177 type sheathings, including e²XP™, GlasRoc®, DensGlass™, Securock™, Weather Defense™ Platinum and GreenGlass® sheathing
Gypsum sheathing (ASTM C79/C1396)
- New and untreated Exposure 1 or exterior plywood sheathing (Grade C-D or better)
- Untreated Exposure 1 OSB
- Poured concrete/unit masonry
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| FINESTOP RA complies with the air barrier impermeability requirements of the Massachusetts Energy Code. |
| FINESTOP RA should not be used for below grade applications or on surfaces subject to water immersion. |
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| Packaging |
Coverage |
| 27.2 kg (60 lbs) per pail |
Approximate coverage rates are as follows: |
| 4" SHEATHING FABRIC: 101.5 mm x 54.8 m (4" x 180 ft) roll |
Over ASTM C1177 Type Sheathing: 35.3-46 m² (380-400 ft² per pail (1 coat) |
| 9" SHEATHING FABRIC: 228.5 mm x 54.8 m (9" x 180 ft) roll |
Over Cement Board: 37-46 m² (400-500 ft²) per pail (1 coat) |
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Over Plywood or OSB: 23-32.2 m² (250-350 ft² per pail (2 coats) |
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Over ASTM C79/C196 Type Sheathing: 46-53.5 m² (500-600 ft²) per pail (1 coat) |
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Over CMU: 9-28 m² (95-300 ft²) per pail (2 coats) |
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BASFCC.Moss.Core.wsp 1.0.0.8 - S:38 T:5/23/2013 2:49:12 AM
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