“We’ve been left in limbo. No-one told us anything until today,” the worker said.
“People on the outside had more of an idea than we did.
“I think it is bad all around. People have mortgages to pay, there were some couples working there,” he added.
The Welsh government said it stood ready to offer support to those impacted by any job losses.
The area’s MP Sir Chris Bryant, MS Buffy Williams and the leader of Rhondda Cynon Taf council Andrew Morgan said in a joint statement that the news was “shocking” for everybody involved.
“Our ambition is to find other potential buyers for the important facilities to try and retain as many of these jobs as possible.
“It is important that while this remains our ambition, alternative means of support are available to employees and the company,” they said.
Administrators Teneo said the firm’s “sevenday” business had been sold off, preserving 91 jobs.
It also said 73 employees would be retained during the administration process.
UK Windows and Doors lost a major customer last year, Teneo said.
“Recent economic uncertainty due to high consumer price inflation, rising interest costs and the associated reduction in consumer confidence has led to house builders slowing down their build programmes and retail window companies experiencing a fall in demand,” the administrators said.
“This has resulted in a further large reduction in demand for the company’s products, leading to losses and associated funding requirements at an unsustainable level,” it added.
