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How to Remove Algae From Exterior Walls Safely
How to Remove Algae From Exterior Walls To remove algae from exterior walls properly, first identify the wall surface, protect surrounding areas, apply a suitable softwashing or biocidal cleaning solution, allow the correct dwell time, agitate where needed, and rinse or leave to weather depending on the product and substrate....
Render Cleaning Mistakes: Avoid Costly Damage
The Biggest Render Cleaning Mistakes The biggest render cleaning mistakes usually come from treating render like concrete, brick or paving. Render is a finished building surface, not a hard-wearing slab, and the wrong pressure, chemical strength, dwell time or rinse method can cause etching, streaking, patchy results, blown render, water...
