Magnetite Home ›› Local Listings ›› NSW ›› Marrickville ›› Magnetite NSW Professional Services Marrickville, NSW 2204 Magnetite staff(02) 9565 4070https://www.magnetite.com.au/magnetite.aspx The Magnetite retrofit system has been designed and tested to work with your existing windows, doors, skylights and glass areas.Renovating and upgrading your existing home or building to achieve reduced noise or increased thermal performance and energy efficiency requires double glazing windows.