At Victorian Membrane Supplies, we sell high-end products that are used in projects all across the world. We are the exclusive providers of GCP products in Victoria, and we will teach you how to properly apply and use the products. We serve businesses in Victoria and Carrum Downs.At Victorian Membrane Supplies, we sell high-end products that are used in projects all across the world. We are the exclusive providers of GCP products in Victoria, and we will teach you how to properly apply and use the products. We serve businesses in Victoria and Carrum Downs.