Method
EIFS, brick, and metal panel chemistry basics
Substrate-matched soft wash without inventing miracle formulas.
6 min read · updated 2026-09-22
EIFS and soft coatings punish aggressive pressure. Soft wash chemistry and controlled dwell matter more than blast.
Brick and mortar tolerate a wider range but still fail when water is driven into joints. Match strength to soil, not to a one-size drum on the truck.
Coated metal panels often need rinse discipline to avoid spotting. Chemistry that looks great on masonry can leave haze on panel finishes.
Log what you used. The next crew should not reverse-engineer last year’s mix from a faded photo.
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