Undermount kitchen sinks have been praised by a plumbing firm, which has claimed that the style is becoming increasingly popular.Opella has suggested that there are many new options being taken up by people purchasing new sinks, but undermount models are sustaining interest.Tim Viens, national sales manager at the firm, told Kitchen and Bath Design News that he believes many shapes are popular at the moment as people look for originality in their kitchen design.However, he added that high-quality undermounts are here to stay, although many designers are choosing to mix and match their styles in order to create individual feels and tones that are made to order for each client.In addition, the continuing affection for stylish, stainless steel kitchen sinks is showing no signs of slowing down.Mr Viens commented that nothing will ever replace brushed and polished stainless as the first choice in kitchen sink chic.