Mining roofs face extreme harsh conditions—ranging from high UV radiation and extreme thermal cycling to corrosive sulphuric acid vapours and airborne mineral dust. SI-COAT® 461 RC is a 100% RTV silicone waterproof coating engineered to convert recurring roof maintenance into long-term asset protection for mine site structures, processing plants, smelters, and conveyor covers.

Key Features & Operational Benefits for Mining:

• Handles Continuous Ponding Water: Unlike traditional acrylic or polyurethane coatings that blister and peel under standing water, 100% silicone chemistry resists permanent water immersion without degrading.

• Corrosive Acid & Chemical Vapour Resistance: Resists sulphuric acid vapour and acidic condensation common to leaching, smelting, and chemical processing environments.

• Extreme UV & Thermal Stability: Tested to 5,000+ hours of accelerated UV weathering, forming a flexible, elastomeric membrane that will not chalk, crack, or delaminate during severe daily temperature swings.

• Reflective Cool-Roof Energy Savings: High solar reflectivity reduces roof surface temperatures by up to 17°C, significantly lowering internal temperatures in mine facilities and reducing cooling costs.

• Minimal Downtime & Direct Adhesion: Bonds directly to metal roof sheeting (Chromadek, IBR, corrugated) and concrete without sandblasting or primers in most applications.

Visit Stand E37 at the Johannesburg Expo Centre to consult with TSS technical specialists and discuss waterproofing solutions for your mining infrastructure.

Learn more at www.tssupplies.co.za.