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SpecChem SpecShield WB Extra

SpecChem SpecShield WB Extra

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Contractor Overview

SpecShield WB Extra is a concrete sealer or water repellent. High Solids Silane-Siloxane Water-Based Penetrating Sealer SpecShield WB EXTRA is a 100% reactive, waterborne silane-siloxane sealer. This clear, penetrating, and breathable water repellent is designed for use on both horizontal and vertical, interior and exterior, above-grade concrete or masonry surfaces.

Best For

  • Masonry
  • Vertical
  • Horizontal
  • Forms

Key Features

  • Water-Based Penetrating Sealer SpecShield WB EXTRA is a 100% reactive, waterborne silane-siloxane sealer
  • Water-based, colorless, and non-yellowing formulation
  • VOC = 0 grams per liter, demonstrating environmental safety

Material & Application Notes

High Solids Silane-Siloxane Water-Based Penetrating Sealer SpecShield WB EXTRA is a 100% reactive, waterborne silane-siloxane sealer. This clear, penetrating, and breathable water repellent is designed for use on both horizontal and vertical, interior and exterior, above-grade concrete or masonry surfaces. By penetrating the surface and bonding directly with the substrate, SpecShield WB EXTRA ensures a surface that is highly resistant to both moisture and salt attack.

Why Contractors Choose It

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

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Application

Equipment

Use of a low pressure, non-atomizing sprayer is highly recommended.

Application Instructions

  • New concrete surfaces should be dry, well cured (minimum 14 days), and free of moisture, curing residue, dust, debris, oil, and contaminants to ensure effective penetration.
  • Apply generously using a low pressure sprayer and adjust the application rate on very porous surfaces.
  • Follow a wet-on-wet method without allowing excess to dry on the surface.

Packaging

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

Shelf Life

Containers should be sealed and stored in a clean, dry area between 45-85°F. Shelf life is two years in unopened containers.

Coverage

Coverage Rate:Depends on surface porosity:

  • Extremely Porous surfaces:100-125 ft²/gal
  • Broom finish:150-200 ft²/gal
  • Smooth concrete:200-350 ft²/gal

Test Data

  • Type:Organofunctional siloxane and silane
  • Flash Point:Greater than 200°F
  • Color:Water clear
  • Resistance to UV Rays:Excellent