DOWSIL™ Contractors Weatherproofing Sealant
- Dynamically moving joints such as expansion and control joints
- Concrete panel joints
- Tilt-up panel joints
- Curtainwall joints
- Frame-to-structure and perimeter caulking of windows, doors, panels, EIFS, bedding of mullions, panels and frames, etc.
- Primerless on EIFS and most common nonporous building substrates, including glass and aluminum
- Balanced adhesive strength, medium modulus and high recovery
- Excellent all-weather gunnability and performance
- Extension/compression capability of ±25 to ±40 percent
- Available in 10.3 ounce cartridges, 20 ounce sausages and two gallon pails
- Choose from 20 standard colors, 19 special colors and custom colors, too
- 5 Year Weatherseal Limited Warranty
These values are typical properties and are not intended for use in preparing specifications.
- Adhesion to Yes No Enamelled and Reflective Glass, Extruded Mill Finish, Fluorocarbon Coated Aluminum, Glass, Granite, Alodine Aluminum, Heat Strengthened Glass, Light-Weight Stone Panels, Low E Coated Glass, Marble, Masonry, Metal, Metal Panels, Paint, Aluminum, Plastic, Polyester Powder Coated Aluminum/Steel, Stone, Steel, Stainless Steel, Vinyl/PVC-U, Wood, Anodized Aluminum, Limestone, Brickwork, Ceramic, Concrete
- Application Temperature Range Yes No -29 to 49 °C
- Color Yes No White, Grey, Charcoal, Black, Sandstone, Limestone, Bronze, Aluminum, Antique White, Buff, Custom, Light Bronze, Off-White, Precast White, Window Bronze, Geographic Beige, Anodized Aluminum, Redwood Tan, Sandlewood, Mountain Fog, Ivory
- Cure Type Yes No Neutral Cure
- Durometer - Shore A Yes No 20 to 30 Shore A
- Elongation Yes No 550 %
- Movement Capability Yes No -40 to 40 %
- Number of Parts Yes No One
- Peel Strength Yes No 20 to 28 ppi
- Primerless Adhesion Yes No Primerless
- Resistance Type Yes No Ozone Resistance, Thermal Resistance, UV Resistance, Water Resistance
- Room Temperature Cure - Hours Yes No 168 to 336 Hours
- Service Temperature High Yes No 121 °C
- Service Temperature Low Yes No -40 °C
- Shelf Life Yes No 540 Days
- Tack-Free Time-50% RH Yes No 360 Minutes
- Tensile Strength Yes No 180 psi
- Volatile Organic Content Yes No 35 g/liter
No-compromise silicone sealing
This versatile, one-part 100% silicone sealant delivers outstanding life-cycle value and lower installed costs at a price that is competitive in the market. Virtually unaffected by ultraviolet (UV) light and weather extremes, DOWSIL™ Contractors Weatherproofing Sealant provides all-weather application and performance.
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No Safety Data Sheets are available online for this material Please Contact Dow for additional information.
No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.