Sovereign AquaChek Plus 5L - Alkali Resistant Masonry Water Repellent

VOC-free, Alkali-Resistant Masonry Water Repellent

Sovereign AquaChek Plus is a state-of-the-art, water-based concentrate that protects porous masonry and fresh concrete from water ingress. Made from alkyl‑polysiloxane, it’s solvent-free (zero VOC), allows walls to breathe, and resists alkaline attack—perfect for both new builds and renovation projects.

Key Benefits

• Zero VOC, solvent-free – environmentally responsible and safe to use indoors or out
• Alkali-resistant – ideal for fresh concrete or mortar applications
• Maintains breathability – little effect on moisture vapour permeability
• BS 6477 compliant – meets UK standard for masonry water repellents
• Dilutable concentrate – ready to mix with water; easy application with brush or low-pressure spray

Product Details

• Coverage: Approx. 22 m² per 5 L when diluted and applied in two coats
• Application: Apply two coats from bottom up; second coat ~30 minutes after the first—both before drying
• Finish: Clear, invisible, no sheen or colour change

Usage & Recommendations

• Surface Prep: Must be clean, dry, and porous—avoid sealed or painted substrates.
• Weather: Do not apply in rain or when conditions are wet.
• Temperature: Use above +5 °C for best absorption and curing.
• Application Tip: Apply from the bottom up to avoid runs; maintain damp surface for second coat.

Ideal For

• Protecting new masonry—brick, block, stone, and fresh concrete
• Renovation projects where breathability is crucial
• Use in refurbishment, extensions, and masonry restoration
• Eco-conscious builds seeking VOC-free, breathable solutions