SEATTLE -- Giant blocks of foam are being used in construction projects across the Puget Sound, and you might be driving over them everyday without even knowing it. The blocks recently caught the eye ...

SEATTLE -- When the new ramps open to connect to the SR-99 Downtown Tunnel, drivers won't be just driving on pavement. They'll be driving on foam. Giant blocks of foam - known as expanded polystyrene ...

There’s a 1,400-square-foot home on Juniper Place in Cortez that is being built with expanded polystyrene foam blocks. “It reminded me of a giant YETI cooler,” said Rachael Marchbanks, Cortez’s ...