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GLASSWISE - The brand that WAIKATO Trusts - CALL NOW: 0508 4GLASS

Welcome to


  • Paul Masterson

    Managing Director

  • Gary Winton

    Head Glazier

  • Ralph McKenzie


  • Maggie Masterson


Glasswise Ltd has been operating in the Waikato region for nine years, servicing a major government contract and assisting numerous private clients, both residential and commercial.

Our glaziers are trade-certified with a wide range of experience encompassing anything from standard glass replacement to more sophisticated glazing projects. Owner-operator Paul has a long background in the UK window fabrication industry, and completed his glazing apprenticeship with the Glass & Glazing Institute of New Zealand on emigrating to New Zealand in 2003. In his early years here, Paul worked for a number of renowned glazing companies before setting up his own business in 2007. Paul prides himself on providing excellent customer service and a down-to-earth approach when communicating with clients.

“It is simply not our practice to leave clients unclear about what needs doing, how much it will cost or when we will be there to complete the job”.

Head Glazier, Gary, has around 30 years’ experience in the trade, with an Advanced Trade Certificate in Glazing. Gary knows the Waikato area extremely well and his name is well-respected in glazing circles. An all-round glazing expert, he is praised for his professional and clean workmanship. As a car enthusiast, he has worked on windscreen replacements for many classic and muscle cars and will look after your vehicle as if it were his own.

Ralph has recently joined the Glasswise Team.  Ralph brings over 30 years’ glazing experience and can handle anything from routine repairs through to showers and glass balustrading. He also has a particular specialism in leadlight repair and installation.