E2/AS1 – drained cavity and openings
Water penetration in and around windows and doors can cause significant damage. Following a few easy steps helps manage this risk and protect the vulnerable timber frame. We look at the E2/AS1 option.
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Water penetration in and around windows and doors can cause significant damage. Following a few easy steps helps manage this risk and protect the vulnerable timber frame. We look at the E2/AS1 option.
The Window Association of New Zealand has developed an Alternative Solution to the details in E2/AS1. Known as the WANZ WIS details, we look at how it works and what to watch out for.