Dampness due to condensation can lead to fungal growth which harms occupants, causes decay in structural timbers and accelerates corrosion of metal components and fixings. 

The best way to prevent roof leaks in the wetter seasons is to be proactive with roof maintenance in the months before the winter period.

One of the more significant developments in low slope commercial roofing in the New Zealand market in recent years has been the rise of ‘cool roofs’. Relatively new in our country, the choice to adopt lighter coloured roofing membranes is becoming more popular.

It is important to consider NZ's unique environment and high UV levels when specifying modern single ply thermoplastic membranes such as PVC and TPO.

To understand insulation and its thermal resistance values, you need to know about thermal conductivity, thermal resistance and thermal transmittance.