Surveyor’s Blog

POSITIVE INPUT VENTILATION

Positive Input Ventilation (PIV) Units & Systems

Many homes that we survey are found to have elevated levels of moisture, causing condensation and dampness and we often recommend installing a PIV, or Positive InputVentilation system. But what are they and how do they work? Positive input ventilation (PIV) is a low-energy, whole home ventilation method. It looks toprotect homeowners from the many …

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Homebuyers Report

One of the Most Common Defects in Old Properties

As residential surveyor I visit hundreds of properties every year and almost every week I found similar defects. One of these is the lack of adequate subfloor ventilation to suspended timber floor structures to the ground floor rooms, particularly in old properties. Quite frequently occupiers have blocked the existing air bricks/ventilation grilles to prevent the …

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