Willoughby's housing is largely Federation and interwar brick set in established, heavily planted gardens. Mature trees and shade keep the ground around the footings damp, airflow under the floor is often poor, and older or failed damp-proof courses let moisture climb the walls. Clay-shale soils that hold water make it worse.
Shaded, moisture-holding blocks need the cause pinned down before any rendering. We diagnose whether it is rising damp, a wet subfloor or poor drainage, then treat at the source with a new course, subfloor ventilation or both, finished in a breathable render.
Willoughby's Federation and California bungalow homes sit on clay and sandstone with original damp-proof courses long past their life. Ground moisture rises through the brick, leaving salts that blister paint, blow plaster and rot skirtings — and if left, carries moisture and salt into the structural masonry where repairs cost many times more.
Many Willoughby homes sit low or shaded, holding damp under the floor. We fit underfloor ventilation to clear that trapped moisture.
A breakdown in the damp-proof course lets ground moisture rise. Our rising damp treatment injects a fresh chemical DPC to stop it.
We remove blown render and re-coat with salt-resistant replastering so walls finish clean.
Our mould remediation treats the mould and resolves the damp or ventilation cause behind it.
Where water pushes through retaining or below-ground walls, we apply tanking and waterproofing.
Get a free on-site inspection with a clear diagnosis and fixed quote.
Willoughby is full of Federation and interwar brick homes on shaded, well-planted blocks with clay-shale soils that hold water. Damp ground around the footings, poor subfloor airflow and aged damp-proof courses make rising damp common in Chatswood, Naremburn and Castlecrag.
All of them — including Chatswood, Willoughby, Naremburn, Castlecrag, Northbridge, Artarmon, Castle Cove, Middle Cove, North Willoughby. If your suburb is not listed, call us; we cover the whole area.
It often is in Willoughby. Shaded blocks and clay soils keep crawl spaces damp, which feeds musty air and mould upstairs. We check the subfloor as part of the inspection and recommend ventilation if that is the real driver.