The Sponge Blog

Honest advice on coastal property maintenance.

From salt etching to solar efficiency — we write what we actually know from cleaning hundreds of Eastern Suburbs and Northern Beaches properties every year.

No filler and no keyword-stuffed fluff — just practical guidance on keeping coastal homes clean and protected. We clean hundreds of properties across the Eastern Suburbs, Northern Beaches and North Shore every year, and these guides pass on what we've actually learned: how salt damages glass and gutters, how often different exposures really need cleaning, and how to get the most life out of your windows, solar panels and render. We add new guides regularly as the seasons and the salt throw up things worth writing about.