A1 Silicone Professionals Pty Ltd, Blacktown, NSW

A1 Silicone (Aust) is Western Sydney's trusted specialist in silicone joint sealing and caulking. With over 6, 000 projects completed and 32+ building corporations served — including Metricon Homes, McDonald Jones Homes, and Coral Homes — we bring proven craftsmanship to every job, big or small.

We provide expert caulking across tiles, expansion joints, facades, and fire-rated applications, delivering a clean, durable finish that protects your property from moisture, insects, and temperature changes. Our fire-rated caulking comes with certification, giving you added peace of mind.

Reliable, detail-focused, and trusted by homeowners and builders throughout New South Wales — A1 Silicone (Aust) is the name to call for a job done right.