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SpecChem SpecSilane 40

SpecChem SpecSilane 40

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Contractor Overview

SpecSilane 40 is a concrete sealer or water repellent. 40% Solids Penetrating Silane Sealer SpecSilane 40 is a 40% solids, 100% reactive silane sealer designed for use on interior and exterior, above-grade concrete or masonry surfaces. This clear, penetrating, breathable water repellent is highly effective against moisture and salt, making it ideal for protecting concrete and masonry surfaces such as decks, pavements, parking structures, ramps, bridges, and marine.

Best For

  • Masonry
  • Forms

Key Features

  • VOC compliant with less than 600 grams per liter, promoting a safer application environment
  • Concrete surface protection
  • Supports appearance and durability goals

Material & Application Notes

40% Solids Penetrating Silane Sealer SpecSilane 40 is a 40% solids, 100% reactive silane sealer designed for use on interior and exterior, above-grade concrete or masonry surfaces. Water Repellency: Offers superior water repellency while maintaining the substrate’s breathability. Environmentally Friendly: VOC compliant with less than 600 grams per liter, promoting a safer application environment.

Why Contractors Choose It

Contractors choose SpecSilane 40 when the slab or surface needs protection, appearance control, and a sealer matched to exposure conditions.

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Application

  • New Concrete:Should be well cured (28 days minimum) and free of all curing residues, dust, debris, oil, and other contaminants. Surfaces must be absorptive to allow penetration of the SpecSilane 40.
  • Application Method:Apply using a roller, brush, or low pressure sprayer at a rate determined by surface porosity:Porous surfaces:100-125 ft²/galBroom finish:100-150 ft²/galSmooth concrete:150-200 ft²/gal
  • Old Concrete and Masonry:Remove any previously applied sealers and contaminants with pressure washing and SpecChem Citrus Cleaner or other appropriate cleaning measures.

Packaging

Available in 5 gallon pails and 55 gallon drums.

Shelf Life

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

Test Data

  • Composition:Organofunctional Silane
  • Active Silane Content:40% by weight
  • Specific Gravity:0.96 at 25° C
  • Flash Point:Greater than 100° F
  • Water Absorption Test:0.38% over 48 hours; 1.0% over 50 days
  • Scaling Resistance Test:Rating of 0 for “No Scaling” (ASTM C672-84)
  • VOC Content:Less than 600 grams per liter (EPA Method 24)