Fakro roof window gets passive house approval
Roof window manufacturer Fakro has announced the award of a Passive House Institute certificate for its quadruple-glazed FTT U8 Thermo roof window, which has a U-value of 0.58.
Roof window manufacturer Fakro has announced the award of a Passive House Institute certificate for its quadruple-glazed FTT U8 Thermo roof window, which has a U-value of 0.58.