Suzi
Jan 151 min read
Why clean your rendered surface
Why you clean rendered walls (like K-rend) 1. Stops damage Dirt, algae, and moss hold moisture. Moisture = staining, cracking, and eventually render failure. Cleaning helps the wall dry properly. 2. Prevents permanent staining If algae or pollution sits too long, it can etch or discolor the render, especially light colours. Early cleaning = no lasting marks. 3. Keeps it breathable Modern renders are designed to let moisture escape. Heavy grime can clog the surface and reduce














