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SAFETY INFORMATION <br />Always read full label and SDS for precautionary <br />instructions before use. Use appropriate safety <br />equipment and job site controls during application <br />and handling. <br />24-Hour Emergency Information: <br />INFOTRAC at 800-535-5053 <br />PREPARATION <br />Protect people, vehicles, property, plants, windows <br />and all non masonry surfaces from product, splash, <br />residue, fumes and wind drift. Protect and/or divert <br />foot and auto traffic. <br />Thoroughly clean the surface using the appropriate <br />PROSOCO product. Clean newly constructed and <br />repointed surfaces before application. Sealing and <br />caulking compounds should be in place and cured. <br />Though Siloxane PD may be applied to slightly <br />damp surfaces, best performance is achieved on <br />clean, visibly dry and absorbent surfaces. Excessive <br />moisture inhibits penetration, reducing the service <br />life and performance of the treatment. <br />The top of walls need to be capped and made <br />watertight prior to application. <br />Window Glass Protection <br />Protect window glass before use. PROSOCO® <br />Strippable Masking is effective protection for <br />use with this product. If protecting windows is <br />impractical, follow these steps: <br />1. Clean window glass thoroughly before <br />application to nearby concrete or masonry. <br />2. Don’t use in wind or when air or surface <br />temperatures are hotter than 95°F (35°C). <br />3. Try to keep Siloxane PD off the glass. <br />4. After treated surfaces have been protected from <br />water for 6 hours, if product is on window glass, <br />clean as soon as possible with soap and warm <br />water. Alternatively use PROSOCO’s 2010 All <br />Surface Cleaner to remove dried residues within <br />3–5 days. <br />Surface and Air Temperatures <br />Best surface and air temperatures are 40–95°F <br />(4–35°C) during use and for 8 hours after. If <br />freezing conditions exist before application, let <br />masonry thaw. The water carrier may freeze at low <br />temperatures or evaporate in high temperatures. <br />Both conditions impair penetration and results. <br />Cleanup is more difficult from surfaces hotter than <br />95°F (35°C). <br />Equipment <br />Recommended application is by high volume, <br />low-pressure (<50 psi) spray. Fan spray tips are <br />recommended to avoid atomization. Do not atomize/ <br />vaporize the material. <br />For small scale application, or when spray <br />application is not appropriate, product may be <br />applied using brush or roller. Contact Customer <br />Care or your local PROSOCO representative for <br />more information. <br />Storage and Handling <br />Store in a cool, dry place. Always seal container <br />after dispensing. Do not alter or mix with other <br />chemicals. Published shelf life assumes upright <br />storage of factory-sealed containers in a dry place. <br />Maintain temperature of 45–100°F (7–38°C). Do not <br />double stack pallets. Dispose of unused product and <br />container in accordance with local, state and federal <br />regulations. <br />Product Data Sheet <br />Weather Seal Siloxane PD <br />Product Data Sheet • Page 2 of 4 • Item #40027 – 101524 • ©2024 PROSOCO, Inc. • prosoco.com <br />Recommended for these substrates. Always test. Coverage is in sq.ft./m. per gallon. <br />Substrate Type Use?Coverage <br />Architectural <br />Concrete <br />Block* <br />Burnished <br />Smooth <br />Split-faced <br />Ribbed <br />no <br />no <br />no <br />no <br />N/A <br />Concrete <br />Brick* <br />Tile <br />Precast Panels <br />Pavers <br />Cast-in-place <br />yes <br />yes <br />yes <br />yes <br />yes <br />150–200 sq.ft. <br />14–19 sq.m. <br />Fired Clay <br />Brick <br />Tile <br />Terra Cotta (unglazed) <br />Pavers <br />yes <br />yes <br />yes <br />yes <br />50–175 sq.ft. <br />5–16 sq.m. <br />Marble, <br />Travertine, <br />Limestone <br />Polished no N/A <br />Unpolished no N/A <br />Granite Polished no N/A <br />Unpolishedno N/A <br />Sandstone Unpolished yes 75–125 sq.ft. <br />7–12 sq.m. <br />Slate Unpolishedno N/A <br />*Weather Seal Blok-Guard® & Graffiti Control 9 is a more <br />appropriate product. <br />See specific application instructions for dense surfaces. <br />PROSOCO® SL100 may be a more appropriate product. <br />Always test to ensure desired results. <br />Coverage estimates depend on surface texture and porosity.