Wednesday December 16, 2009 at 8:01am
Prior's bi fold aluminium sections utilise the latest polyamide thermal barrier technology.This advanced profile technology creates a thermal transmittance barrier between the cold outside and the warm inside,keeping your home warm and comfortable even in the coldest weather,helping energy bills.The sashes can be glazed with a range of double or even triple glazed sealed units up to 38mm and threshold options are available to give improved weather performance.