**Overview** SH-12 Sodium Hypochlorite 12% is a professional soft wash solution formulated to eliminate algae, moss, mold, mildew, and organic staining from roofs, siding, concrete, and exterior surfaces. Built for contractors and maintenance professionals, it delivers strong and reliable cleaning performance across multiple exterior applications. **Key Benefits** - Highly effective at removing organic growth and staining - Ideal for roof cleaning, house washing, concrete cleaning, and masonry - Works seamlessly with RS-DR Roof Surfactant for improved dwell time and visibility - Industry-standard 12% SH strength for professional soft wash contractors - Compatible with batch-mix systems, proportioners, pump sprayers, and low-pressure setups - Cleans without the need for damaging high pressure **Typical On-Surface Dilution Ranges** - Roof cleaning: 2–4% available SH - House washing (siding, soffits, fascia): 0.5–2% - Concrete and masonry: 1–3% depending on severity **Application / Use** 1. Apply using soft wash rigs, proportioning systems, batch-mix setups, or pump sprayers. 2. For roof treatments, pair with RS-DR to improve cling and reduce runoff. 3. Pre-wet nearby plants, grass, and landscaping. 4. Rinse thoroughly after application. 5. Do not mix SH with acids, ammonia, or incompatible chemicals. **Ideal For** - Soft wash contractors - Property maintenance teams - Municipal facilities and commercial buildings - HOAs and multi-unit properties - Agriculture and food environments needing sanitation - Exterior cleaning where organic contamination is common **Safety & SDS** Sodium hypochlorite is a strong oxidizer. Always wear chemical-resistant gloves, eye protection, and appropriate PPE. SDS documents are available in library.
