e-frames is a manufacturer and distributor of retro-fit double glazing systems to a nationwide network of independent installation partners who sell, install and service retro-fit double glazing for existing wooden and aluminium window and door frames. The aluminium retro-fit systems are designed to fit all major suites of aluminium doors and windows in New Zealand. The wood retro-fit system is proprietary and the most advanced in New Zealand. e-frames promotes the advantages of retro-fit double glazing to the consumer market.