DOWSIL™ 790 Silicone Building Sealant 20oz Sausage
$19.22 – $35.15
An ultra-low-modulus, one-part silicone elastomeric sealant designed for high-movement weather sealing applications. This product boasts exceptional primerless adhesion to concrete and most porous substrates, offering versatility across various surfaces. Available in a diverse range of colors to suit your aesthetic preferences.
Applications:
- Weathersealing joints between natural stone surfaces.
- Weathersealing curtainwall and mullion joints.
- Expansion and control joints in various construction projects.
- Weathersealing joints in precast concrete panels and other construction elements.
Benefits:
- Suitable for porous substrates, ensuring effective sealing.
- Demonstrates excellent unprimed adhesion to masonry, concrete, and natural stone surfaces.
- Low-staining and free from plasticizers, maintaining the aesthetic integrity of surfaces.
- Ultra-low-modulus formulation enables superior flexibility.
- Offers extension/compression joint movement capability of +100%/-50%, accommodating substantial structural shifts.
- Exceptional performance, even in building joints subjected to extreme movement.
- Compliant with ISO 11600F-25LM standards, ensuring reliability.
- Exhibits excellent weathering properties and resistance to sunlight, rain, snow, and temperature extremes.
- Easy application across a wide temperature range, enhancing convenience during installation.
| Typical Properties | |
|---|---|
| Adhesion to | Brickwork, Ceramic, Concrete, Extruded Mill Finish, Glass, Granite, Heat Strengthened Glass, Light-Weight Stone Panels, Limestone, Low E Coated Glass, Marble, Masonry, Paint, Silicone, Stone, Wood |
| Appearance | Opaque |
| Chemistry | Neutral |
| Color | Adobe Tan, Black, Blue Spruce, Bronze, Charcoal Gray, Dusty Rose, Gray, Limestone, Natural Stone, Precast White, Rustic Brick, Sandstone, White |
| Durometer - Shore A | 15 Shore A |
| Movement | High |
| Peel Strength | 25 ppi |
| Shelf Life | 360 Days |
| Substrate | Porous |
| Tensile Strength | 100 psi |
| Volatile Organic Content | 23 g/liter |
| Application Benefits | |
|---|---|
| Primerless Adhesion | Primerless |
| Resistance Type | Thermal Resistance, UV Resistance, Water Resistance |
| Water Resistant | true |
| Processing-Formulating Benefits | |
|---|---|
| Cure System | 1-Part Cure |
| Number of Parts | One |
| Room Temperature Cure - Hours | 168 to 336 Hours |
| Tack-Free Time-50% RH | 60 Minutes |
| Where Used | Job Site |
| Working Time | 10 to 20 Minutes |
Additional information
| Weight | 2.5 lbs |
|---|---|
| Dimensions | 1 × 1 × 1 in |
| Color | Adobe Tan, Black, Blue Spruce, Bronze, Charcoal, Dusty Rose, Gray, Limestone, Natural Stone, Precast White, Rustic Brick, Sandstone, White |
