The Northern Beaches stretch along the coast from Manly to Palm Beach, mixing beachfront homes on sandy, salt-affected ground with houses tucked into shaded, bush-backed valleys around Frenchs Forest and Narrabeen. Near the water, salt air and salt in the ground drive salt damp; in the shaded bushland pockets, damp ground and poor subfloor airflow keep homes moist. Original damp-proof courses have usually failed, so rising damp and salt damp are both common.
By the coast the finish is decisive and in the bush the subfloor often matters most. We diagnose the source, install a damp-proof course where needed, improve subfloor ventilation in shaded blocks, and finish with a salt-resistant render so the wall dries while resisting fresh salt damage.
Near the coast, ground and sea salts ride up with rising damp and crystallise in the lower brickwork, flaking paint and fretting the brick; in shaded bushland valleys, damp ground keeps walls and subfloors wet. Left untreated the tide mark climbs, plaster blows and salt works into the structural wall — the costliest damage to reverse.
The Beaches' coastal blocks on sand and sandstone keep subfloors damp near the water. We install subfloor ventilation to dry the space.
Salt air and salty ground attack beachside walls. Our rising damp treatment injects a fresh damp course to stop the rise.
We re-coat with a breathable salt-resistant plaster system.
Coastal humidity drives mould; our mould removal clears it at the cause.
We waterproof and tank below-ground walls, balconies and wet areas near the coast.
Get a free on-site inspection with a fixed price.
The Northern Beaches mix beachfront homes on sandy, salt-affected ground with houses in shaded bushland valleys. Salt air, salt in the ground, damp shaded blocks and failed damp-proof courses make rising damp and salt damp common in Manly, Dee Why and Mona Vale.
All of them — including Manly, Dee Why, Brookvale, Freshwater, Mona Vale, Narrabeen, Avalon, Newport, Collaroy, Frenchs Forest, Forestville, Balgowlah. If your suburb is not listed, call us; we cover the whole area.
Near the coast, ground and sea salts ride up with rising damp and crystallise in the lower brickwork, flaking paint and fretting the brick. The fix is to stop the rise and finish with a salt-resistant render. We confirm it at inspection.