Vapour control layers

On every construction site, cables, wiring and pipes pass through the airtight and windtight building envelope. Only when these penetrations are perfectly airtight is a leak-free building envelope guaranteed. That’s exactly why SIGA now has the new Fentrim^® grommets.

Today, we would like to give you an insight into the topic of window renovation. To do this, we talked to Hendrik Schimmele, a window expert working in technical sales at SIGA. He shared valuable information and tips with us regarding the renovation of old windows.

Villazero is a community project and is considered one of the world's first carbon-neutral single-family homes. The fully CO2-neutral building was constructed in 2022 and is regarded as a testing and showcase project in Sweden. Located in Borlänge, central Sweden, the CLT building used many SIGA products, including SIGA Wetguard^®, for an airtight and windproof building envelope.