SpecSilane 40 WB

40% solids water-based penetrating silane sealer

SpecSilane 40 WB is a 40% solids, 100% reactive, waterborne silane sealer. This clear, penetrating, breathable water repellent is designed for use on interior and exterior above-grade concrete or masonry surfaces. SPECSILANE 40 WB penetrates the surface and bonds directly with the substrate, which results in a surface that is highly resistant to both moisture and salt. SPECSILANE 40 WB helps protect concrete and masonry surfaces, decks, pavements, parking structures, ramps, bridges, marine platforms, etc., against the corrosive effects of de-icing salts, moisture and weathering to prevent spalling and deterioration of concrete structures. VOC compliant.

Provides excellent chloride screen
Excellent water repellency while maintaining breathability
VOC compliant – water-based
Reduces the effects of freeze-thaw cycling and weathering on concrete structures
Long-lasting protections for new as well as old concrete surfaces
Dries tack-free and skid-resistant
Colorless and non-yellowing

Application

Surface Preparation: Ensure surfaces are well cured (minimum 28 days), clean, and free from all residues, dust, debris, oil, and other contaminants. Surfaces must be absorptive to allow penetration.
Application Rate: Varies by surface porosity:
- Porous surfaces: 100-125 ft²/gal
- Broom finish: 100-150 ft²/gal
- Smooth concrete: 150-200 ft²/gal
Equipment: Apply using a roller, brush, or low-pressure sprayer. Avoid puddles; redistribute any standing material before drying.

Packaging

Available in 5-gallon pails and 55-gallon drums.

Shelf Life

Store sealed in a clean, dry area between 45-85°F. Shelf life is one year in unopened containers.

Test Data

Solids Content: 40% by weight
VOC Content: Less than 250 grams per liter
Flash Point: Greater than 200°F
Specific Gravity: 0.96 at 25°C
Color: Water clear
Odor: None
Water Absorption Test: 0.40% over 48 hours; 1.1% over 50 days
Scaling Resistance Test: Rating of 0 for “No Scaling”