Which Exterior Surfaces Should Never Be Pressure Washed?
Pressure washing can remove grime, algae and built-up dirt quickly, but high-pressure water is not suitable for every exterior surface. A forceful jet can strip protective coatings, force water behind cladding, damage mortar or break fragile materials. In Unley, where homes and businesses may have a mix of older masonry, painted finishes, timber and modern fittings, choosing the right cleaning method matters as much as removing the dirt. Some surfaces should never be exp