Onsite Window Testing Ltd.was founded as a specialist building performance company, and we have acquired invaluable insight into many types of building failure and solutions over different decades in New Zealand.
In particular, leaky building inspections and solutions demand the attention of weather-tight experts, among which Pat O'Hagan is one of the most established in Auckland. With decades of experience in design and construction, we now specialise entirely in providing Weathertight Building Surveys and Reports
Note that we are independent of all joinery manufacturers, test strictly to the requirements of the test procedures, and each test is individually reviewed by Pat O'Hagan himself, to determine if it has passed or failed.
Onsite Window Testing Ltd. is a proud member of The Fenestration and Glazing Industry Alliance, which guarantees our independence from manufacturers and suppliers.
Whatever your requirements, our aim is to offer a comprehensive, professional and empathetic consultancy service tailored to the individual needs of our clients.
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